Nanostructured  Materials  Group

- where science is religion and lab the temple

2024

• Plasmonic synergism in tailored metal-carbon interfaces for real-time single molecular level sniffing of PFOS and PFOA.
  Dipin Thacharakkal a, Seemesh Bhaskar a b, Tanu Sharma a, Gopalan Rajaraman, Sai Sathish Ramamurthy, Chandramouli Subramaniam, Chem. Eng. J. 2024, 148166.




2023

• Sah, A., Mandal, A.K., Tiwari, S. et al. Scalable and high throughput photothermal water disinfection with negligible CO2 footprint utilizing nanostructured carbon coatings. npj Clean Water 6, 75 (2023). DOI :


• Nandi, P., Patnaik, A., & Subramaniam, C. (2023). Synergising hard-carbon and soft-carbon interactions for delivering metal-free microscale supercapacitors with high specific energy and rapid power delivery. Journal of Energy Storage, 73, 109157. DOI :


• Chowdhury A., Thacharakkal, D., Borah D., Shanmugam M. & Subramaniam, C. 2023. Exploiting the Synergism of a Carbon–Catalyst Interface to Achieve Magneto-Electrocatalytic Overall Water Splitting at 2.197 V. ACS Applied Materials & Interfaces. DOI:


• Sah A., Sharma S., Saha S. & Subramaniam C. 2023, Phonon-Engineered Hard-Carbon Nanoflorets Achieving Rapid and Efficient Solar-Thermal Based Water Evaporation and Space-Heating. ACS Applied Materials & Interfaces. DOI:


• Annular vertical cylindrical thermochemical storage system with innovative flow arrangements for improved heat dispatch towards space heating requirements Ankush Shankar Pujari, Rudrodip Majumdar, Sandip K. Saha, Chandramouli Subramaniam, Renewable Energy, 2023, 217, 119168


• Ligand-Field Directed Electronic Effects in Heterogenized Bifunctional Co(II) Molecular Clusters Accomplish Efficient Overall Water Splitting, ACS Catalysis, DOI: 10.1021/acscatal.2c05942 Aditya Borah; Jayeeta Saha; Sunita Sharma; Savi Chaudhary; Sandeep K. Gupta; Gopalan Rajaraman; Chandramouli Subramaniam; Ramaswamy Murugavel


• Metal-Dielectric Interfacial Engineering with Mesoporous Nano-Carbon Florets for 1000-Fold Fluorescence Enhancements: Smartphone-Enabled Visual Detection of Perindopril Erbumine at a Single-molecular Level, Seemesh Bhaskar, Dipin Thacharakkal, Sai Sathish Ramamurthy*, and Chandramouli Subramaniam*, ACS Sustainable Chem. Eng., 2023, 11, 78


• Employing Redox-Active Additives for Enhanced Charge Polarization and Twofold Higher Energy Density in Supercapacitor Poulomi Nandi, Chandramouli Subramaniam*, Adv. Mater. Interfaces, 2023, 10, 2202052


• Engineering interfaces to facilitate charge transport pathways in electrospun scaffolds for high-performance, flexible supercapacitors, Sudeshna Chaudhari, Vishwanath Kalyani, M.J. Rosemary, S. Sneha Letha, Chandramouli Subramaniam*, J. Energy Storage (Accepted, In Press)





2022

• Metal-Dielectric Interfacial Engineering with Mesoporous Nano-Carbon Florets for 1000-Fold Fluorescence Enhancements: Smartphone-Enabled Visual Detection of Perindopril Erbumine at a Single-molecular Level, Seemesh Bhaskar, Dipin Thacharakkal, Sai Sathish Ramamurthy*, and Chandramouli Subramaniam*, ACS Sustainable Chem. Eng. 2022, DOI: 10.1021/acssuschemeng.2c04064


• Visualization of sub-nanometer scale multi-orientational ordering in thin films of polymer/non-fullerene acceptor blends, Urvashi Bothra, Pramiti Hui, Wen Liang Tan, Eliot Gann, Hariprasad Venugopal, Chandramouli Subramaniam, Amelia CY Liu, Christopher R McNeill, Dinesh Kabra, J. Mater. Chem. A, 2022, 10, 24662.


• Insights into the Utilization and Quantification of Thermoplasmonic Properties in Gold Nanorod Arrays, Radha Krishna Kashyap, Itisha Dwivedi, Soumendu Roy, Sumit Roy, Anish Rao, Chandramouli Subramaniam, Pramod P Pillai, Chem. Mater. 2022, 34, 7369.


• Multi-cationic ionic liquid combination enabling 86-fold enhancement in frequency response and superior energy density in all-solid-state supercapacitors, MK Jha, N Sunariwal, BJ Parker, N Cameron, Chandramouli Subramaniam, J. Energy Storage, 2022, 53, 105164.


• Performance assessment of open thermochemical energy storage system for seasonal space heating in highly humid environment, Ankit Mukherjee, Ankush Shankar Pujari, Shraddha Nitin Shinde, Uddip Kashyap, Lalit Kumar, Chandramouli Subramaniam, Sandip K Saha, Renewable Energy, 2022, 201, 204.


• Electric-Field-Induced Solid–Gas Interfacial Chemical Reaction in Carbon Nanotube Ensembles: Route toward Ultra-sensitive Gas Detectors Itisha Dwivedi, Arup Sarkar, Gopalan Rajaraman, Chandramouli Subramaniam, 2022, 14,13271


• Joule Heating-Driven Transformation of Hard-Carbons to Onion-like Carbon Monoliths for Efficient Capture of Volatile Organic Compounds, Itisha Dwivedi, Chandramouli Subramaniam, ACS Mater. Au, 2022, 2, 154 (Highlighted as Front Cover Page in ACS Materials Au)


• Characterization of microsupercapacitors, Mihir, Kumar Jha, Chandramouli Subramaniam, Microsupercapacitor (Book, Edi 1, Elsevier Pubs).





2021

• Joule Heating-Driven Transformation of Hard-Carbons to Onion-like Carbon Monoliths for Efficient Capture of Volatile Organic Compounds, Itisha Dwivedi, Chandramouli Subramaniam, ACS Mater. Au, 2021, DOI :


• Characterization of microsupercapacitors, Mihir, Kumar Jha, Chandramouli Subramaniam, Microsupercapacitor (Book, Edi 1, Elsevier Pubs).


• Photoplasmonic assembly of dielectric-metal, Nd2O3-Gold soret nanointerfaces for dequenching the luminophore emission, Seemesh Bhaskar, Pratyusha Das, Maku Moronshing, Aayush Rai, Chandramouli Subramaniam, Shivakiran BN Bhaktha, Sai Sathish Ramamurthy, Nanophotonics, 2021, 10, 3417.


• Premagnetized Carbon-Catalyst Interface Delivering 650% Enhancement in Electrocatalytic Kinetics of Hydrogen Evolution Reaction, Jayeeta Saha, Ranadeb Ball, Chandramouli Subramaniam, ACS Sus. Chem. Eng. 2021, DOI :


• Scalable approach towards specific and ultrasensitive cation sensing in harsh environmental conditions by engineering the analyte-transducer interface, S Mondal, C.Subramaniam, Nanoscale Adv, 2021 DOI :


• Performance Enhancement of Tapered Helical Coil Receiver using Novel Nanostructured Carbon Florets Coating, S Sharma, A Sah, SK Saha*, C Subramaniam* Appl. Therm. Eng, 2021, 117065.


• Performance Evaluation of a Seasonal Residential Space Heating System based on Thermochemical Energy Storage, A Mukherjee, L Kumar*, C Subramaniam*, SK Saha*, Appl. Therm. Eng., 2021, 117059.


• Multifunctional Hybrid Soret nanoarchitectures for Mobile Phone-based Picomolar Cu2+ ion sensing and Dye Degradation Applications, Seemesh Bhaskar, PRajant Jha, Chandramouli Subramaniam*, Sai Sathish Ramamurthy*, Physica E, 2021, DOI:


• Design Principles for Manipulating Electrochemical Interfaces in Solid-State Supercapacitors for Wearable Applications (Invited Review), Mihir Kumar Jha, Chandramouli Subramaniam, ACS Omega, 2021, DOI :


• Non-Stoichiometry Induced Exsolution of Metal Oxide Nanoparticles via Formation of Wavy Surfaces and their Enhanced Electrocatalytic Activity: Case of Misfit Calcium Cobalt Oxide K. S. Roy, Chandramouli Subramaniam, Leela S. Panchakarla, ACS Appl. Mater. Interfaces, 2021, DOI :


• Exceptional Capacitance Enhancement of a Non‐Conducting COF through Potential‐Driven Chemical Modulation by Redox Electrolyte, Rinku Kushwaha, Sattwick Haldar, Pragalbh Shekhar, Akshara Krishnan, Jayeeta Saha, Pramiti Hui, Chathakudath Prabhakaran Vinod, Chandramouli Subramaniam, Ramanathan Vaidhyanathan, Advanced Energy Materials, 2021, DOI:


• Thermochemically nanostructured off-stoichiometric Ti0.2Al1.8C4O5 nanowires as robust electrocatalysts for hydrogen evolution from corrosive acidic electrolyte, Jayeeta Saha, Chandramouli Subramaniam, Catalysis Today, 2021, DOI :.





2020

• Hierarchically engineered nanocarbon florets as bifunctional electrode material for adsorptive and intercalative energy storage, Mihir Kumar Jha, Binson Babu, Bradyn Parker, Vishnu Surendran, Neil R Cameron, Manikoth M Shaijumon, Chandramouli Subramaniam, ACS Appl. Mater. Interfaces, 2020, 12, 42669.


• Xenobiotic Contamination of Water by Plastics and Pesticides Revealed Through Real-time, Ultrasensitive and Reliable Surface Enhanced Raman Scattering, Sudeshna Mondal, Chandramouli Subramaniam, ACS Sus. Chem. Engg. 2020, 8, 7639.


• Silver Soret Nanoparticles for Femtomolar Sensing of Glutathione in a Surface Plasmon-Coupled Emission Platform, Seemesh Bhaskar, Maku Moronshing, Venkatesh Srinivasan, Pradeep Kumar Badiya, Chandramouli Subramaniam, Sai Sathish Ramamurthy, AC Appl. Nano Mater. 2020, 3, 4329


• All solid-state coaxial supercapacitor with ultrahigh scan rate operability of 250000 mV/s by thermal engineering of the electrode-electrolyte interface, Mihir Kumar Jha, Ranadeb Ball,Raghunandan Seelaboyin, Chandramouli Subramaniam, ACS Applied Energy Materials, 2020, DOI : .


• Performance Evaluation of an Open Thermochemical Energy Storage System Integrated with Flat Plate Solar Collector, AnkitMukherjee, Rudrodip Majumdar, Sandip K.Saha, Chandramouli Subramaniam, Lalit Kumar, Applied Thermal Engineering, 2020, DOI :.


• Origami of solid-state supercapacitive micro-junctions operable at 3 V with high specific energy density for wearable electronics, Mihir Kumar Jha, Tanya Jain, Chandramouli Subramaniam, ACS Appl. Elec. Mater. 2020, DOI :


• Ultra-sensitive gas phase detection of 2, 4, 6-trinitrotoluene by non-covalently functionalized graphene field effect transistors, Ashwini S. Gajarushi, Sandeep G. Surya, Mrinalini G. Walawalkar, M. Ravikanth, V. Ramgopal Rao and Chandramouli Subramaniam, Analyst 2020, DOI :


• Nanostructured Carbon Florets As Scavenger Of As3+, Cr6+, Cd2+ And Hg2+ For Water Remediation, Maku Moronshing, Ananya Sah, Vishwanath Kalyani, and Chandramouli Subramaniam, ACS Applied Nano Materials, 2020 DOI :


• Thermomechanical characterisations of PTFE, PEEK, PEKK as encapsulation materials for medium temperature solar applications, Rajan Gupta, Shraddha Shinde, Aswani Yella, Sandip K. Saha, C. Subramaniam, Energy, 2020, DOI :




2019

• Compositional Control as the Key for Achieving Highly Efficient OER Electrocatalysis with Cobalt Phosphates Decorated Nanocarbon Florets Jayeeta Saha, Sonam Verma, Ranadeb Ball, Chandramouli Subramaniam, Ramaswamy Murugavel, Small, 2019, DOI : 10.1002/smll.201903334.


• Point-of-Care, Cable-Type Electrochemical Zn2+ Sensor with Ultrahigh Sensitivity and Wide Detection Range for Soil and Sweat Analysis, Sudeshna Mondal, Chandramouli Subramaniam, ACS Sustainable Chemistry & Engineering, 2019, 7, 14569-14579.


• The mechanistic role of a support catalyst interface in electrocatalytic water reduction by Co₃O₄ supported nanocarbon florets, Jayeeta Saha, Ranadeb Ball, Ananya Sah, Vishwanath Kalyani, Chandramouli Subramaniam, Nanoscale, 2019, 11, 13532-13540.


• Interwoven carbon nanotube wires for high performing, mechanically robust, washable and wearable supercapacitors, Mihir Kumar Jha, Kenji Hata, C. Subramaniam, ACS Applied Materials & Interfaces, 2019, 11, 18285 - 18294.


• Assessment of Open Thermochemical Energy Storage System Performance for Low Temperature Heating Applications, A. Mukherjee, R. Majumdar, S.K. Saha, L. Kumar, C. Subramaniam, Applied Thermal Engineering, 2019, 453 -470.


• Surface-enhanced Raman scattering platform operatingover wide pH range with minimal chemical enhancementeffects: Test case of tyrosine, Moronshing M, Bhaskar S, Mondal S, Ramamurthy SS, Subramaniam C., J Raman Spectrosc. 2019, 50, 826 - 836.


• Lanthanide complexes as molecular dopants for realizing air-stable n-type graphene logic inverters with symmetric transconductance Ashwini Gajarushi, Mohd Wasim, Rizwan Nabi, Kancharlapalli Srinivasu, Ramgopal Rao, Gopalan Rajaraman, Chandramouli Subramaniam and Maheswaran Shanmugam, Materials Horizon, 2019, 6, 743 - 750.


• Correction : Carbon nanotube-copper exhibiting metal-like thermal conductivity and silicon-like thermal expansion for efficient cooling of electronics, Chandramouli Subramaniam and Kenji Hata, Nanoscale, 2019,11, 2089-2089.


• Mechanochemically controlling the van der Waals gap in molybdenum disulfide nanosheets, Vishnu Nair, Khagesh Kumar and Chandramouli Subramaniam, Phys. Rev. Mater., 2019, 3, 015802.




2018

• Vishwanath Kalyani, Sudeshna Mondal, Jayeeta Saha, C. Subramaniam, Electrochemical, top-down nanostructured pseudocapacitive electrode for enhanced specific capacitance and cycling efficiency" Nanoscale, 2018, 10, 3633.


• Vishwanath Kalyani, Sudeshna Mondal, Jayeeta Saha, C. Subramaniam, Electrochemical, top-down nanostructured pseudocapacitive electrode for enhanced specific capacitance and cycling efficiency" Nanoscale, 2018, DOI :




2017

• Maku Moronshing, C. Subramaniam, Scalable Approach to Highly Efficient and Rapid Capacitive Deionization with CNT-Thread As Electrodes.ACS Applied Materials and Interfaces, 2017, 9, 39907.


• Priya Rathi, Mihir Kumar Jha, Kenji Hata and C. Subramaniam, Real-Time, Wearable, Biomechanical Movement Capture of Both Humans and Robots with Metal-Free Electrodes, ACS Omega 2017, 2, 4132.


• Seisuke Ata, C. Subramaniam et al,Highly Thermally Conductive Yet Flexible Composite of Carbon Fiber, Carbon Nanotube, and Rubber Obtained by Decreasing the Thermal Resistivity at the Interface between Carbon Fiber and Carbon Nanotube, Advanced Engineering Materials, 2017, DOI




2016

• C. Subramaniam, Atsuko Sekiguchi, Takeo Yamada, Don N Futaba and Kenji Hata Nano-scale, planar and multi-tiered current pathways from a carbon nanotube-copper composite with high conductivity, ampacity and stability, Nanoscale, 2016, 8, 3888.




Prior to joining IIT Bombay

• Seisuke Ata, Takaaki Mizuno, Ayumi Nishizawa, C. Subramaniam, Don N. Futaba, Kenji Hata Influence of matching solubility parameter of polymer matrix and CNT on electrical conductivity of CNT/rubber composite, Scientific Reports (Nature), 2014, 4, 7232.


• Seisuke Ata, Howon Yoon, C. Subramaniam, T. Mizuno, A. Nishizawa, Kenji Hata, Scalable, solventless debundling of single-wall carbon nanotube into elastomers for high conductive functionality, Polymer, 2014, 55, 5276.


• C. Subramaniam et al., Carbon nanotube-copper with metallic thermal conductivity and silicon-like thermal expansion for efficient cooling of electronics, Nanoscale, 2014, 6, 2669.


• C. Subramaniam et al., One hundred fold increase in current carrying capacity in a carbon nanotube-copper composite, Nature Communications, 2013, 4, 2202.


• P. R. Sajanalal, C. Subramaniam, P. Sasanpour, B. Rashidian, T. Pradeep, Electric field enhancement and concomitant Raman spectral effects at the edges of a nanometer-thin gold mesotriangle, J. Mater. Chem., 2010, 20, 2108.


• T. Bhuvana, C. Subramaniam, T. Pradeep, G. U. Kulkarni, Conducting nanocrystal patterns using a silver organic complex blended with polystyrene as e-Beam resist, J. Phys. Chem. C, 2009, 113, 7038.


• C. Subramaniam et al., Visible fluorescence induced by metal-semiconductor transition in composites of carbon nanotubes with noble metal nanoparticles, Phys. Rev. Lett., 2007, 99, 167404.


• C. Subramaniam, T. Pradeep, J. Chakrabarti, Transverse electrokinetic effect: Experiments and theory, J. Phys. Chem. C, 2007, 51, 111.


• V. Pachauri , C. Subramaniam, T. Pradeep, Novel ZnO nanostructures over gold and silver nanoparticle assemblies, Chem. Phys. Lett., 2006, 423, 240.


• C. Subramaniam , T. Pradeep, J. Chakrabarti, Flow induced transverse electrical potential across as assembly of gold nanoparticles, Phys. Rev. Lett., 2005, 95, 164501.


• C. Subramaniam, R. T. Tom, T. Pradeep, On the formation of protected gold nanoparticles from AuCl4- by the reduction using aromatic amines, J. Nanoparticle Res., 2005, 209-17.


• Anshup, J. S. Venkataraman, C.Subramaniam, R. R. Kumar, S. Priya, T. R. S. Kumar, R. Omkumar, A. John and T. Pradeep, Growth of gold nanoparticles in human cells, Langmuir, 2005, 21, 11562.

Patents granted :

1. Panchakarla Leela Srinivas, Roy Kankona Singha, Chandramouli Subramaniam “Misfit calcium cobalt oxide and its non-stoichiometric synthesis and their enhanced electrochemical activity” Indian Patent Application No: 453717


2. Mihir Kumar Jha, Deep Banerjee, C. Subramaniam,"Method of fabricating electrical energy storage device by stitching and inter-weaving" Indian Patent 424091, granted on 06^th March, 2023


3. Shubham Tiwari, C. Subramaniam, "INTERACTIVE OPTICAL SYSTEM AND METHOD THEREOF FOR REPRESENTING MOTIFS IN THREE-DIMENSIONAL PLANE", Indian Patent 424981, granted on 14^th March, 2023


4. A METHOD TO USE SINGLE WALLED CARBON NANOTUBE COMPOSITES FOR GAS SENSING APPLICATIONS, Thalappil Pradeep, Chandramouli Subramaniam, Publication date 2022/2/19, Indian Patent number 392320


5. C. Subramaniam, Maku Moronshing, Indian Patent No:350196 "Method And Apparatus For Water Treatment Using Capacitive Deionization Based On CNT-Thread Electrode".


6. C. Subramaniam, Takeo Yamada, Kenji Hata, PCT application PCT/JP2011/080522, "Carbon nanotube metal composite material and production method for same" 28th Dec, 2011. (201180063205.9 for China, 13/928840 for U.S.A. and 11852322.4 for Europe).


7. C.Subramaniam, T. Pradeep, Indian Patent. 230725, granted on February 27, 2009, "A method of manufacturing of a device to monitor the flow of liquids and a device manufactured by the said method"(Application No 1113/CHE/2005).


8. C.Subramaniam, T. Pradeep, Indian Patent. 235278, granted on June 30, 2009, "Manufacture of single walled carbon nanotubes providing visible emission for imaging of nanostructures" (Application No 421/CHE/2006).


9. C.Subramaniam, T. Pradeep, Indian Patent. 246826, granted on March 28, 2011, "A method to transform metallic single walled carbon nanotubes into semiconducting nanotubes" (Application No.943/CHE/2007).


10. C. Subramaniam, T. Pradeep, PCT application PCT/IN2008/000517, "Device and method to use single walled carbon nanotube composites for gas sensing applications".


11. C.Subramaniam, T. Pradeep, PCT application, PCT/IB2010/002036, "Method and apparatus for tunable electrical conductivity".

Patents filed :

1. Ananya Sah, Vishwanath Kalyani, Chandramouli Subramaniam, Highly porous carbon nanospheres and a method of preparation thereof, Indian Patent Application No. 202121057013.

• Hearty congratulations to Team Surya Shakti for winning the Carbon-zero challenge 3.0. The team was adjudged the top from among 500-odd participants. This win secures funding for the startup.


• Hearty congratulations to Team Surya Shakti for securing the BIG 22 grant for incubating the startup at SINE, IITB.


• The lab recognised with Swarna Jayanti Fellowship 2021. Link


• Awarded the "IITB Impactful Research Award 2019" for development of handheld, low-power water desalination device.


• Awarded the "Young Scientist GOLD" Award in 2014 by the International Union of Materials Research Scieties at the IUMRS-ICA 2014 conference.


• Awarded the "Iijima Award and Medal" for Young Scientists in 2013 by the Fullerene-Nanotubes-Graphene Research Society of Japan in recognition of developing a material surpassing the current carrying capacity of metals.


• Selected for the "Technology Development Materials Award" given to the most significant technical development over the last 24 months in the field of material development at the Europe Chapter of International Printed Electronics Conference, 2013.


• Awarded the "Japan Nano-day Best Poster Award" at The Eight International Nanotechnology Conference on Communication and Cooperation (INC8) held between 8-11th May, 2012 at Japan.

• IIT-Bombay's new solar heaters may aid Indian troops guarding northern borders (deccanherald.com) Link


• IIT Bombay Develops Nanostructured Material With Highest Solar Heat Absorption (ndtv.com) Link


• IIT Bombay’s Marigold Like NCF Comes As A Break-Through In Heat Absorption Materials – Timeline Daily Link


• A new nano material converts 97% of sunlight into heat - The Hindu BusinessLine Link


• IIT Bombay Develops Nano Material Converting 97% Sunlight Into Heat (rprealtyplus.com) Link


• IIT Bombay Developed Marigold-like Nanostructured Material Demonstrating Highest Solar Heat Absorption; Check Details Here (collegedunia.com) Link


• IIT Bombay develop a low-cost way of extracting hydrogen from water. Link1  Link2  Link3  Link4   Link5  Link 6  Link 7  Link 8   Link 9   Link 10   Link 11  Link 12


• Our carbon material for heavy-metal scavenging is in news. Link1  Link2


• IIT Bombay's sensor detects zinc in sweat, soil in real-time. Link


• IIT Bombay fabricates wearable supercapacitor.  Link


• Nanowerk covers our research.  Link


• IIT Bombay's very low power water filter - The Hindu (dated 11th November, 2017) highlighted our research.


• A skin that tracks movement - The Hindu (dated 09th August, 2017) highlighted our research.


• Nanowerk highlighted the work on high current-carrying-capacity of CNT-Copper composite in its web-portal : "Novel CNT-copper composite delivers a 100-fold increase in current density", Nanowerk, 6th August, 2013.


• Work on CNT-Cu composite was highlited in the Hindu : "Carbon nanotubes for next-gen conductors", The Hindu, 9th August, 2013.


• AIST issued a press-release on the result on high current-carrying-capacity of CNT-Cu composite that was highlighted in a number of Japanese newspapers including
  • The Gomutimes Digital
  • EEtimes (Japan's leading electronics and telecommunications magazine)
  • Yahoo! News Japan
  • Nikkan Kogya (Japan's largest technological newspaper)
  • Kankyo Business (Japan's leading business-related newspaper).


• Work on CNT-Cu composite was selected as the "Paper of the Month" by The Latest Science, U.S.A.


• Work on CNT-Cu composite (published in Nature Communications) is currently ranked in the top 98 percentile among 10000 tracked articles published at a similar time in all journals.


• Work on the thermal properties of CNT-Copper composite was highlited in a number of Japanese newspapers including (1) Nikkan Kogya (2) EEtimes (3) NIKKEI Electronics magazine.


• Glowing future for Nanotube, Chemistry World, October 2007.


• New light on Old material, The Telegraph, November 2007 : The work on visible light emission from Metal-CNT composites received coverage on the front page of the scientific section of The Telegraph.


• Scientific article Phys. Rev. Lett., 2007, 99, 167404 : Was highlighted in Virtual Journal of Nanoscience and Nanotechnology, (2007) Vol 16, Iss 18.


• Scientific article Phys. Rev. Lett., 2005, 95, 164501 : Was highlighted in Virtual Journal of Nanoscience and Nanotechnology, (2005) Vol 12, Iss 17.

• Highly efficient solar-thermal conversion using nanostructured carbons, National Institute of Advanced Industrial Science and Technology (AIST) Tsukuba, Japan. 29^th March, 2021.


• Nanostructured materials for point-of-care chemical and electrochemical sensors, IITB Sensors Workshop, 5^th March, 2021.


• Towards achieving selectivity and reliability in point-of-care sensors for water quality monitoring, Indo-US, Virtual Workshop on Smart Sensors and Analytics for Clean Water, ICCW-IIT Madras, 26^th Feb., 2021.


• What's hot about Solar?, TEQIP Sponsored Online FDP on Functional Materials for Engineering Applications B.M. S. College of Engineering, 16^th Feb., 2021.


• “Springtime for nanomaterials : Finding flowers in forests”, CRSI Pune Chapter, 02nd Nov, 2020.


• “Engineering Chemistry and carbon nanomaterials”, Military Institute of Technology Pune, 28th October, 2020


• "Walk through the world of nanocarbons : From forests to flowers", School of Chemical and Biotechnology, SASTRA University, 10th October, 2020


• "World of Nanocarbons : From forests to flowers", Mar Ivanois College, Trivandrum, 23rd Sept, 2020


• "Wearable energy storage devices", Dept of Chemistry, Madanapalle Institute of Technology and Science, 18th July, 2020


• "Solar-energy harvesting using nanostructured carbons", Department of Chemistry, Sri Meenakshi College Chennai, 15th July, 2020


• "Designing, manipulating and probing of electrocatalytic interfaces for water splitting", ChemCat Con 1.0, Department of Chemistry, IIT Gandhinagar, 12th July, 2020


• "Emerging contaminants of water : Game of constant catch up?", Department of Chemistry, IIT Bombay, 5th Jun, 2020


• "Understanding and optimizing electrochemical interfaces in energy storage systems", Invited talk at the Department of Chemistry, University of Pretoria, 5th June, 2020


• "Solar-energy harvesting using nanostructured carbons", Department of Chemistry, Vorhees COllege, Vellore, 3rd June, 2020


• "Energy, energy everywhere, How to harness it?", Invited talk at V. O. Chidambaram College, Tamil Nadu, 21st May, 2020


• "Energy, energy everywhere, can we store it somewhere?" ACS Science Talks organized by American Chemical Society, 6th May, 2020


• "Nanostructured carbons : from catalytic supports to energy harvesting" BASF Innovation Campus, Mumbai, 27th Feb, 2020.


• "Nanostructured materials for highly efficient solar-thermal conversion and rapid water evaporation", NEEHCON 2019, School of Materials Science and Engineering, NIT Calicut, 28th Dec, 2019


• "Novel nanostructured materials for H₂/O₂ production, energy storage & environmental remediation" Invited lecture at Conference on Advances in Catalysis for Energy and Environment (CACEE-2018), Tata Institute of Fundamental Research, Mumbai, 10^thJan, 2018.


• "Feynman's dream, today's reality" Invited talk at DBT star college lecture series, NES Ratnam College of Arts, Science and COmmerce, Mumbai 9^th Jan, 2018.


• "From Water Purification to Wearable Energy Storage Using Nanocarbons" Invited talk at Nanyang Technological University-IITB Mini Symposium, Mumbai, 8^th Jan, 2018.


• "Fundamental of Solid-state chemistry and Kinetic theory of gases" Inservice course, 2017 held by Kendriya Vidyalaya Sangatan on 25^th Dec, 2017.


• "Frugal science, exotic materials and global applications" Invited Talk at INUP workshop, IIT Bombay 29^th Nov, 2017.


• RSC Salters Chemistry camp was a great success.


• "Frugal science, exotic materials and global applications" Invited Talk at Centre for Nano and Materials Science, Jain University, Bengaluru, 31^st August, 2017".


• "Thermally-driven nanoparticle assemblies as high-performing surface-enhanced-Raman-scattering substrates", Institute Seminar at S. N. Bose National Centre for Basic Sciences, Kolkata, 8^th June, 2017".


• "Fundamentals of electrochemistry", Inservice course for Chemistry 2017 held by Kendriya Vidyalaya Sangatan on 27^th May, 2017."


• "Engineering Chemistry and Carbon nanomaterials", Faculty development programme in Applied Sciences, Zeal College of Engineering and Research, Pune, 2^nd June, 2017".


• "Devices without lithography", INUP familiriazation workshop on Nanolithographic fabrication, organized by Center for Excellence in Nanoelectronics, 22^nd May, 2017.


• "Gas-phase, parts-per-billion level detection of TNT in ambient conditions using Soret colloids as SERS platforms", Integrated Chemie Conference” on “Current Research Perspective and Advanced Concepts in Chemistry, Department of Chemistry, Sathya Sai Institute of Higher Learning, 11^th March, 2017.


• "Wearable, washable energy storage device by stitching of carbon nanotubes", Chemistry department, IIT Bombay, 4^th March, 2017.


• "Wearable and washable energy storage devices : where water is good!!!" International conference on materials for sustainable future (ICMSF-2016) held at SASTRA University, Tanjore between 14-16^th July,2016.


• "Humidity-driven wearable energy storage devices" at National Institute of Technology Triruchirappalli, 17^th July, 2016.


• "Humidity propelled wearable energy storage materials using carbon nanotubes," International Conference on Nanotechnology (IC-Nano 2016) Visvesvaraya Technological University, Muddenahalli, Bengaluru.


• "Pushing the boundaries of current-carrying-capacity of copper with carbon nanotubes" Second International Conference on Nanostructured Materials and Nanocomposites (ICNM 2014) Kottayam, Kerala 2014-12-20


• "Thermal properties of carbon nanotube-coppper composite : Towards efficient cooling of electronics," International Union of Materials Research Societies - The IUMRS International conference in Asia 2014 Fukuoka, Japan 2014-08-26


• "Exceptional current-carrying capacity of carbon nanotube-copper electrical conductor : pushing the boudaries for electronic conductors," International Union of Materials Research Societies - The IUMRS International conference in Asia 2014,Fukuoka, Japan 2014-08-26


• "There is plenty of room at the bottom" as the resource person for " Refresher course in Chemistry" organised by Sivaji University, Kohlapur on 5th December, 2015.


• "Carbon nanotube based wearable energy sources and physiological sensors" at the 4th International Conference on Nanomaterials and Nanotechnology (ICANN 2015) organized in IIT-Guwahati between 8 - 11th Dec, 2015.


• "Fundamentals of impedance spectroscopy" at the workshop on Electrochemical techniques organised as part of 5th International Conference on Advances in Energy Research (ICAER)-2015 organised in IIT Bombay on 14th December, 2015.


• "Towards wearable energy devices and sensors integrated onto clothing," Chemical Frontiers, 2015 Goa 2015-08-15.