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Promoting nitrogen photofixation for the synthesis of ammonia using oxygen-vacant Fe2O3/ZrO2 visible light photocatalyst with straddling heterojunction and enhanced charge transfer. (2024)
Journal Article
LAZULI, A.R.S.C., RAMALINGAM, V. and NEPPOLIAN, B. 2024. Promoting nitrogen photofixation for the synthesis of ammonia using oxygen-vacant Fe2O3/ZrO2 visible light photocatalyst with straddling heterojunction and enhanced charge transfer. Journal of cleaner production [online], 451, article number 142095. Available from: https://doi.org/10.1016/j.jclepro.2024.142095

Photocatalytic nitrogen (N2) fixation is a promising and environmentally friendly alternative approach to the energy-intensive Haber-Bosch process to produce green ammonia (NH3) with zero carbon emissions. However, the unique setbac... Read More about Promoting nitrogen photofixation for the synthesis of ammonia using oxygen-vacant Fe2O3/ZrO2 visible light photocatalyst with straddling heterojunction and enhanced charge transfer..

Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium. (2022)
Journal Article
ALSABBAN, M.M., ESWARAN, M.K., PERAMAIAH, K., WAHYUDI, W., YANG, X., RAMALINGAM, V., HEDHILI, M.N., MIAO, X., SCHWINGENSCHLÖGL, U., LI, L.-J., TUNG, V. and HUANG, K.-W. 2022. Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium. ACS nano [online], 16(3), pages 3906-3916. Available from: https://doi.org/10.1021/acsnano.1c09254

Design and development of an efficient, nonprecious catalyst with structural features and functionality necessary for driving the hydrogen evolution reaction (HER) in an alkaline medium remain a formidable challenge. At the root of the functional lim... Read More about Unusual activity of rationally designed cobalt phosphide/oxide heterostructure composite for hydrogen production in alkaline medium..

Solar cell with MXene electrode. (2020)
Patent
HE, J.-H., FU, H.-C., RAMALINGAM, V. and LIN, C.-H. 2020. Solar cell with MXene electrode. International patent application PCT/IB2020/051343. International publication number WO/2020/170131, published 27.08.2020. Available from: https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020170131

A solar cell (100) includes a p-type silicon layer (105) having a first side and a second side and an n-type silicon layer (110) having a first side and a second side. The first side of the n-type silicon layer is arranged on the second side of the p... Read More about Solar cell with MXene electrode..

Single atom catalyst having a two dimensional support material. (2020)
Patent
HE, J.-H., RAMALINGAM, V., VARADHAN, P. and FU, H.-C. 2020. Single atom catalyst having a two dimensional support material. International patent application PCT/IB2020/051345. International publication number WO/2020/170132, published 27.08.2020. Available from: https://patentscope.wipo.int/search/en/detail.jsf?docId=WO2020170132

A method for forming a single atom catalyst on a two-dimensional support material involves providing the two-dimensional support material. The two-dimensional support material is combined with at least two heteroatoms and a metal to form a solution.... Read More about Single atom catalyst having a two dimensional support material..

Heteroatom-mediated interactions between ruthenium single atoms and an MXene support for efficient hydrogen evolution. (2019)
Journal Article
RAMALINGAM, V., VARADHAN, P., FU, H.-C., KIM, H., ZHANG, D., CHEN, S., SONG, L., MA, D., WANG, Y., ALSHAREEF, H.N. and HE, J.-H. 2019. Heteroatom-mediated interactions between ruthenium single atoms and an MXene support for efficient hydrogen evolution. Advanced materials [online], 31(48), article number 1903841. Available from: https://doi.org/10.1002/adma.201903841

A titanium carbide (Ti3C2Tx) MXene is employed as an efficient solid support to host a nitrogen (N) and sulfur (S) coordinated ruthenium single atom (RuSA) catalyst, which displays superior activity toward the hydrogen evolution reaction (HER). X-ray... Read More about Heteroatom-mediated interactions between ruthenium single atoms and an MXene support for efficient hydrogen evolution..

Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction. (2019)
Journal Article
ALARAWI, A., RAMALINGAM, V., FU, H.-C., VARADHAN, P., YANG, R. and HE, J.-H. 2019. Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction. Optics express [online], 27(8), pages A352-A363. Available from: https://doi.org/10.1364/OE.27.00A352

Photoelectrochemical water splitting is one of the viable approaches to produce clean hydrogen energy from water. Herein, we report MoS 2 /Si-heterojunction (HJ) photocathode for PEC H 2 production. The MoS 2 /Si-HJ photocathode exhibits exceptional... Read More about Enhanced photoelectrochemical hydrogen production efficiency of MoS2-Si heterojunction..

Ruthenium based metallopolymer grafted reduced graphene oxide as a new hybrid solar light harvester in polymer solar cells. (2017)
Journal Article
VINOTH, R., GANESH BABU, S., BHARTI, V., GUPTA, V., NAVANEETHAN, M., VENKATAPRASAD BHAT, S., MUTHAMIZHCHELVAN, C., RAMAMURTHY, P.C., SHARMA, C., ASWAL, D.K., HAYAKAWA, Y. and NEPPOLIAN, B. 2017. Ruthenium based metallopolymer grafted reduced graphene oxide as a new hybrid solar light harvester in polymer solar cells. Scientific reports [online], 7, article number 43133. Available from: https://doi.org/10.1038/srep43133

A new class of pyridyl benzimdazole-based Ru complex decorated polyaniline assembly (PANI-Ru) was covalently grafted onto reduced graphene oxide sheets (rGO) via a covalent functionalization approach. The covalent attachment of PANI-Ru with rGO was c... Read More about Ruthenium based metallopolymer grafted reduced graphene oxide as a new hybrid solar light harvester in polymer solar cells..

Synergistically enhanced electrocatalytic performance of an N-doped graphene quantum dot-decorated 3D MoS2–graphene nanohybrid for oxygen reduction reaction. (2016)
Journal Article
VINOTH, R., PATIL, I.M., PANDIKUMAR, A., KAKADE, B.A., HUANG, N.M., DIONYSIOS, D.D. and NEPPOLIAN, B. 2016. Synergistically enhanced electrocatalytic performance of an N-doped graphene quantum dot-decorated 3D MoS2–graphene nanohybrid for oxygen reduction reaction. ACS omega [online], 1(5), pages 971-980. Available from: https://doi.org/10.1021/acsomega.6b00275

Nitrogen-doped graphene quantum dots (N-GQDs) were decorated on a three-dimensional (3D) MoS2–reduced graphene oxide (rGO) framework via a facile hydrothermal method. The distribution of N-GQDs on the 3D MoS2–rGO framework was confirmed using X-ray p... Read More about Synergistically enhanced electrocatalytic performance of an N-doped graphene quantum dot-decorated 3D MoS2–graphene nanohybrid for oxygen reduction reaction..

Carrier separation and charge transport characteristics of reduced graphene oxide supported visible-light active photocatalysts. (2016)
Journal Article
VINOTH, R., KARTHIK, P., MUTHAMIZHCHELVAN, C., NEPPOLIAN, B. and ASHOKKUMAR, M. 2016. Carrier separation and charge transport characteristics of reduced graphene oxide supported visible-light active photocatalysts. Physical chemistry chemical physics [online], 18(7), pages 5179-5191. Available from: https://doi.org/10.1039/C5CP08041J

Extending the absorption to the visible region by tuning the optical band-gap of semiconductors and preventing charge carrier recombination are important parameters to achieve a higher efficiency in the field of photocatalysis. The inclusion of reduc... Read More about Carrier separation and charge transport characteristics of reduced graphene oxide supported visible-light active photocatalysts..

Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. (2015)
Journal Article
GANESH BABU, S., VINOTH, R., SURYA NARAYANA, P., BAHNEMANN, D. and NEPPOLIAN, B. 2015. Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst. APL materials [online], 3(10), article number 104415. Available from: https://doi.org/10.1063/1.4928286

Herein, Cu2O spheres were prepared and encapsulated with reduced graphene oxide (rGO). The Cu2O–rGO–C3N4 composite covered the whole solar spectrum with significant absorption intensity. rGO-wrapped Cu2O loading caused a red shift in the absorption w... Read More about Reduced graphene oxide wrapped Cu2O supported on C3N4: an efficient visible light responsive semiconductor photocatalyst..