B. K.  Balan, Unni, S. K. M., and Kurungot, S., ?Carbon nanofiber with selectively decorated pt both on inner and outer walls as an efficient electrocatalyst for fuel cell applications?, Journal of Physical Chemistry C, vol. 113, no. 40, pp. 17572-17578, 2009.

S. K. M.  Unni, Dhavale, V. M., Pillai, V. K., and Kurungot, S., ?High pt utilization electrodes for polymer electrolyte membrane fuel cells by dispersing pt particles formed by a preprecipitation method on carbon ``polished'' with polypyrrole?, Journal of Physical Chemistry C, vol. 114, no. 34, pp. 14654-14661, 2010.

R.  Vellacheri, Unni, S. K. M., Nahire, S., Kharul, U. K., and Kurungot, S., ?Pt-MoOx-carbon nanotube redox couple based electrocatalyst as a potential partner with polybenzimidazole membrane for high temperature polymer electrolyte membrane fuel cell applications?, Electrochimica Acta, vol. 55, no. 8, pp. 2878-2887, 2010.

V. M.  Dhavale, Unni, S. K. M., Kagalwala, H. N., Pillai, V. K., and Kurungot, S., ?Ex-situ dispersion of core-shell nanoparticles of Cu-Pt on an in situ modified carbon surface and their enhanced electrocatalytic activities?, Chemical Communications, vol. 47, no. 13, pp. 3951-3953, 2011.

C. P.  Jijil, Unni, S. K. M., Sreekumar, K., and R. Devi, N., ?Disordered brownmillerite Ba2InCeO5+delta with enhanced oxygen reduction activity?, Chemistry of Materials, vol. 24, no. 14, pp. 2823-2828, 2012.

S. K. M.  Unni, Devulapally, S., Karjule, N., and Kurungot, S., ?Graphene enriched with pyrrolic coordination of the doped nitrogen as an efficient metal-free electrocatalyst for oxygen reduction?, Journal of Materials Chemistry, vol. 22, no. 44, pp. 23506-23513, 2012.

B.  Anothumakkool, Bhange, S. N., Unni, S. K. M., and Kurungot, S., ?1-Dimensional confinement of porous polyethylenedioxythiophene using carbon nanofibers as a solid template: an efficient charge storage material with improved capacitance retention and cycle stability?, RSC Advances, vol. 3, no. 29, pp. 11877-11887, 2013.

S. K. M.  Unni, Pillai, V. K., and Kurungot, S., ?3-Dimensionally self-assembled single crystalline platinum nanostructures on few-layer graphene as an efficient oxygen reduction electrocatalyst?, RSC Advances, vol. 3, no. 19, pp. 6913-6921, 2013.

B.  Anothumakkool, Torris, A. A. T., Bhange, S. N., Unni, S. K. M., Badiger, M. V., and Kurungot, S., ?Design of a high performance thin all-solid-state supercapacitor mimicking the active interface of its liquid-state counterpart?, ACS Applied Materials & Interfaces, vol. 5, no. 24, pp. 13397-13404, 2013.

S. K. M.  Unni, Bhange, S. N., Anothumakkool, B., and Kurungot, S., ?Redox-mediated synthesis of functionalised graphene: a strategy towards 2D multifunctional electrocatalysts for energy conversion applications?, ChemPlusChem, vol. 78, no. 10, pp. 1296-1303, 2013.

S. K. M.  Unni, Illathvalappil, R., Gangadharan, P. K., Bhange, S. N., and Kurungot, S., ?Layer-separated distribution of nitrogen doped graphene by wrapping on carbon nitride tetrapods for enhanced oxygen reduction reactions in acidic medium?, Chemical Communications, vol. 50, no. 89, pp. 13769-13772, 2014.

R.  Gokhale, Unni, S. K. M., Puthusseri, D., Kurungot, S., and Ogale, S., ?Synthesis of an efficient heteroatom-doped carbon electro-catalyst for oxygen reduction reaction by pyrolysis of protein-rich pulse flour cooked with SiO2 nanoparticles?, Physical Chemistry Chemical Physics, vol. 16, no. 9, pp. 4251-4259, 2014.

S. S.  Nagarkar, Unni, S. K. M., Sharma, A., Kurungot, S., and Ghosh, S. K., ?Two-in-one: inherent anhydrous and water-assisted high proton conduction in a 3D metal-organic framework?, Angewandte Chemie-International Edition, vol. 53, no. 10, pp. 2638-2642, 2014.

S. K. M.  Unni, Illathvalappil, R., Bhange, S. N., Puthenpediakkal, H., and Kurungot, S., ?Carbon nanohorn-derived graphene nanotubes as a platinum-free fuel cell cathode?, ACS Applied Materials & Interfaces, vol. 7, no. 43, pp. 24256-24264, 2015.

S. K. M.  Unni, Mora-Hernandez, J. M., Kurungot, S., and Alonso-Vante, N., ?CoSe2 supported on nitrogen-doped carbon nanohorns as a methanol-tolerant cathode for air-breathing microlaminar flow fuel cells?, Chemelectrochem, vol. 2, no. 9, pp. 1339-1345, 2015.

R.  Illathvalappil, Unni, S. K. M., and Kurungot, S., ?Layer-separated MoS2 bearing reduced graphene oxide formed by an in situ intercalation-cum-anchoring route mediated by Co(OH)(2) as a Pt-free electrocatalyst for oxygen reduction?, Nanoscale, vol. 7, no. 40, pp. 16729-16736, 2015.

S. K. M.  Unni, Bhange, S. N., Illathvalappil, R., Mutneja, N., Patil, K. R., and Kurungot, S., ?Nitrogen-induced surface area and conductivity modulation of carbon nanohorn and its function as an efficient metal-free oxygen reduction electrocatalyst for anion-exchange membrane fuel cells?, SMALL, vol. 11, no. 3, pp. 352-360, 2015.

S. K. M.  Unni, Ramadas, S., Illathvalappil, R., Bhange, S. N., and Kurungot, S., ?Surface-modified single wall carbon nanohorn as an effective electrocatalyst for platinum-free fuel cell cathodes?, Journal of Materials Chemistry A, vol. 3, no. 8, pp. 4361-4367, 2015.

S. N.  Bhange, Unni, S. K. M., and Kurungot, S., ?Nitrogen and sulphur co-doped crumbled graphene for the oxygen reduction reaction with improved activity and stability in acidic medium?, Journal of Materials Chemistry A, vol. 4, no. 16, pp. 6014-6020, 2016.

S. K. M.  Unni, George, L., Bhange, S. N., R. Devi, N., and Kurungot, S., ?Valorization of coffee bean waste: a coffee bean waste derived multifunctional catalyst for photocatalytic hydrogen production and electrocatalytic oxygen reduction reactions?, RSC Advances, vol. 6, no. 85, pp. 82103-82111, 2016.

S.  Dharni, Sanchita,, Unni, S. K. M., Kurungot, S., Samad, A., Sharma, A., and Patra, D. Dhar, ?Vitro and in silico antifungal efficacy of nitrogen- doped carbon nanohorn ( NCNH) against rhizoctonia solani?, Journal of Biomolecular Structure & Dynamics, vol. 34, no. 1, pp. 152-162, 2016.

B. J.  Waghmode, Bhange, S. N., Unni, S. K. M., Patil, K. R., and Malkhede, D. D., ?In situ grown nickel nanoparticles in a calixarene nanoreactor on a graphene-MoS2 support for efficient water electrolysis?, Sustainable Energy & Fuels, vol. 1, no. 6, pp. 1329-1338, 2017.

P. K.  Gangadharan, Unni, S. K. M., Kumar, N., Ghosh, P., and Kurungot, S., ?Nitrogen-doped graphene with a three-dimensional architecture assisted by carbon nitride tetrapods as an efficient metal-free electrocatalyst for hydrogen evolution?, Chemelectrochem, vol. 4, no. 10, pp. 2643-2652, 2017.

P.  Turanelloormana, Sarmah, S., Torris, A., Bhat, S. D., and Unni, S. K. M., ?Functionalized single-walled carbon nanohorns to reinforce sulfonated poly(ether ether ketone) electrolyte for direct methanol fuel cells?, ChemElectroChem, vol. 7, no. 17, pp. 3632-3636, 2020.