Dr MADASAMY THANGAMUTHU's Outputs (38)

Selective Photocatalytic Reduction of CO2 to CH4 over NU-1000 Metal-Organic Frameworks (2024)
Preprint / Working Paper
Korhonen, P., Thangamuthu, M., Castaldelli, E., Diego-Lopez, A., Weilhard, A., Clowes, R., O'Shea, J., Laybourn, A., & Lanterna, A. Selective Photocatalytic Reduction of CO2 to CH4 over NU-1000 Metal-Organic Frameworks

CO2 adsorption and its subsequent utilization represent a promising avenue for mitigating climate change. The conver-sion of CO2 into valuable and useful products like carbon monoxide, methane, and methanol offers significant economic benefits. Howev... Read More about Selective Photocatalytic Reduction of CO2 to CH4 over NU-1000 Metal-Organic Frameworks.

Direct formation of copper nanoparticles from atoms at graphitic step edges lowers overpotential and improves selectivity of electrocatalytic CO2 reduction (2024)
Journal Article
Burwell, T., Thangamuthu, M., Aliev, G. N., Ghaderzadeh, S., Kohlrausch, E. C., Chen, Y., Theis, W., Norman, L. T., Alves Fernandes, J., Besley, E., Licence, P., & Khlobystov, A. N. (2024). Direct formation of copper nanoparticles from atoms at graphitic step edges lowers overpotential and improves selectivity of electrocatalytic CO2 reduction. Communications Chemistry, 7(1), Article 140. https://doi.org/10.1038/s42004-024-01218-y

A key strategy for minimizing our reliance on precious metals is to increase the fraction of surface atoms and improve the metal-support interface. In this work, we employ a solvent/ligand/counterion-free method to deposit copper in the atomic form d... Read More about Direct formation of copper nanoparticles from atoms at graphitic step edges lowers overpotential and improves selectivity of electrocatalytic CO2 reduction.

From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production (2024)
Journal Article
Thangamuthu, M., Kohlrausch, E. C., Li, M., Speidel, A., Clare, A. T., Plummer, R., Geary, P., Murray, J. W., Khlobystov, A. N., & Alves Fernandes, J. (2024). From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production. Journal of Materials Chemistry A, 12(25), 15137-15144. https://doi.org/10.1039/d4ta00711e

Hydrogen is considered to be the key element to achieving climate neutrality, leading to a massive demand for electrocatalysts. This work explores the transformation of metal waste into active and stable electrode materials for water splitting by mod... Read More about From scrap metal to highly efficient electrodes: harnessing the nanotextured surface of swarf for effective utilisation of Pt and Co for hydrogen production.

Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol (2024)
Journal Article
LeMercier, T. M., Thangamuthu, M., Kohlrausch, E. C., Chen, Y., Stoppiello, C. T., Fay, M. W., Rance, G. A., Aliev, G. N., Theis, W., Biskupek, J., Kaiser, U., Lanterna, A. E., Alves Fernandes, J., & Khlobystov, A. N. (2024). Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol. Sustainable Energy and Fuels, 1691-1703. https://doi.org/10.1039/D4SE00028E

Carbon nitride (C3N4) possesses both a band gap in the visible range and a low-lying conduction band potential, suitable for water splitting and CO2 reduction reactions (CO2RR). Yet, bulk C3N4 (b-C3N4) suffers from structural disorder leading to slug... Read More about Synergy of nanocrystalline carbon nitride with Cu single atom catalyst leads to selective photocatalytic reduction of CO2 to methanol.

Direct Deposition of Copper Atoms onto Graphitic Step Edges Lowers Overpotential and Improves Selectivity of Electrocatalytic CO2 Reduction (2024)
Preprint / Working Paper
Thangamuthu, M., Burwell, T., Aliev, G., Ghaderzadeh, S., Kohlrausch, E., Chen, Y., …Khlobystov, A. Direct Deposition of Copper Atoms onto Graphitic Step Edges Lowers Overpotential and Improves Selectivity of Electrocatalytic CO2 Reduction

Minimizing our reliance on bulk precious metals is to increase the fraction of surface atoms and improve the metal-support interface. In this work, we employ a solvent/ligand/counterion-free method to deposit copper in the atomic form directly onto a... Read More about Direct Deposition of Copper Atoms onto Graphitic Step Edges Lowers Overpotential and Improves Selectivity of Electrocatalytic CO2 Reduction.

Tungsten Oxide-Based Z-Scheme for Visible Light-Driven Hydrogen Production from Water Splitting (2023)
Journal Article
Thangamuthu, M., Vankayala, K., Xiong, L., Conroy, S., Zhang, X., & Tang, J. (2023). Tungsten Oxide-Based Z-Scheme for Visible Light-Driven Hydrogen Production from Water Splitting. ACS Catalysis, 13(13), 9113-9124. https://doi.org/10.1021/acscatal.3c01312

The stoichiometric water splitting using a solar-driven Z-scheme approach is an emerging field of interest to address the increasing renewable energy demand and environmental concerns. So far, the reported Z-scheme must comprise two populations of ph... Read More about Tungsten Oxide-Based Z-Scheme for Visible Light-Driven Hydrogen Production from Water Splitting.

Electrochemical approaches based on micro- and nanomaterials for diagnosing oxidative stress (2023)
Journal Article
Jamshidi, M., Walcarius, A., Thangamuthu, M., Mehrgardi, M., & Ranjbar, A. (2023). Electrochemical approaches based on micro- and nanomaterials for diagnosing oxidative stress. Microchimica Acta, 190(4), Article 117. https://doi.org/10.1007/s00604-023-05681-7

This review article comprehensively discusses the various electrochemical approaches for measuring and detecting oxidative stress biomarkers and enzymes, particularly reactive oxygen/nitrogen species, highly reactive chemical molecules, which are the... Read More about Electrochemical approaches based on micro- and nanomaterials for diagnosing oxidative stress.

Polymer Photoelectrodes for Solar Fuel Production: Progress and Challenges (2022)
Journal Article
Thangamuthu, M., Ruan, Q., Ohemeng, P. O., Luo, B., Jing, D., Godin, R., & Tang, J. (2022). Polymer Photoelectrodes for Solar Fuel Production: Progress and Challenges. Chemical Reviews, 122(13), 11778-11829. https://doi.org/10.1021/acs.chemrev.1c00971

Converting solar energy to fuels has attracted substantial interest over the past decades because it has the potential to sustainably meet the increasing global energy demand. However, achieving this potential requires significant technological advan... Read More about Polymer Photoelectrodes for Solar Fuel Production: Progress and Challenges.

Self-assembled sulphur doped carbon nitride for photocatalytic water reforming of methanol (2022)
Journal Article
Wang, H., Thangamuthu, M., Wu, Z., Yang, J., Yuan, H., Mustafa Kemal, B., & Tang, J. (2022). Self-assembled sulphur doped carbon nitride for photocatalytic water reforming of methanol. Chemical Engineering Journal, 445, Article 136790. https://doi.org/10.1016/j.cej.2022.136790

The ability to effectively harness and store renewable solar energy in chemical forms, e.g., methanol has been widely recognised as a promising and sustainable strategy for H2 storage. Though traditional steam reforming of methanol enables effective... Read More about Self-assembled sulphur doped carbon nitride for photocatalytic water reforming of methanol.

Author Correction: Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56% (2022)
Journal Article
Zhang, Y., Zhao, J., Wang, H., Xiao, B., Zhang, W., Zhao, X., Lv, T., Thangamuthu, M., Zhang, J., Guo, Y., Ma, J., Lin, L., Tang, J., Huang, R., & Liu, Q. (2022). Author Correction: Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56%. Nature Communications, 13, Article 2062. https://doi.org/10.1038/s41467-022-29799-z

Correction to: Nature Communications https://doi.org/10.1038/s41467-021-27698-3, published online 10 January 2022.

In Supplementary Fig. 28b in the Supplementary PDF for this article, the figure panel incorrectly read ‘345 mW/cm2’ but should have... Read More about Author Correction: Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56%.

Review - Origin and Promotional Effects of Plasmonics in Photocatalysis (2022)
Journal Article
Thangamuthu, M., Raziman, T., Martin, O. J. F., & Tang, J. (2022). Review - Origin and Promotional Effects of Plasmonics in Photocatalysis. Journal of The Electrochemical Society, 169(3), Article 036512. https://doi.org/10.1149/1945-7111/ac5c97

Plasmonic effects including near-field coupling, light scattering, guided mode through surface plasmon polaritons (SPPs), F rster resonant energy transfer (FRET), and thermoplasmonics are extensively used for harnessing inexhaustible solar energy for... Read More about Review - Origin and Promotional Effects of Plasmonics in Photocatalysis.

Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56% (2022)
Journal Article
Zhang, Y., Zhao, J., Wang, H., Xiao, B., Zhang, W., Zhao, X., Lv, T., Thangamuthu, M., Zhang, J., Guo, Y., Ma, J., Lin, L., Tang, J., Huang, R., & Liu, Q. (2022). Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56%. Nature Communications, 13, Article 58. https://doi.org/10.1038/s41467-021-27698-3

Single-atom catalysts anchoring offers a desirable pathway for efficiency maximization and cost-saving for photocatalytic hydrogen evolution. However, the single-atoms loading amount is always within 0.5% in most of the reported due to the agglomerat... Read More about Single-atom Cu anchored catalysts for photocatalytic renewable H2 production with a quantum efficiency of 56%.

Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite (2021)
Journal Article
Zhang, M., Wang, Y., Liu, J., Thangamuthu, M., Yue, Y., Yan, Z., Feng, J., Zhang, D., Zhang, H., Guan, S., Titirici, M.-M., Abrahams, I., Tang, J., Zhang, Z., Dunn, S., & Yan, H. (2021). Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite. Journal of Materials Chemistry A, 9(40), 2693–23298. https://doi.org/10.1039/d1ta04131b

The development of noble-metal-free co-catalysts is seen as a viable strategy for improving the performance of semiconductor photocatalysts. Although the photocatalytic efficiency of ferroelectrics is typically low, it can be enhanced through the inc... Read More about Facile one-step synthesis and enhanced photocatalytic activity of a WC/ferroelectric nanocomposite.

Energy Platform for Directed Charge Transfer in the Cascade Z-Scheme Heterojunction: CO2 Photoreduction without a Cocatalyst (2021)
Journal Article
Bian, J., Zhang, Z., Feng, J., Thangamuthu, M., Yang, F., Sun, L., …Jing, L. (2021). Energy Platform for Directed Charge Transfer in the Cascade Z-Scheme Heterojunction: CO2 Photoreduction without a Cocatalyst. Angewandte Chemie International Edition, 60(38), 20906-20914. https://doi.org/10.1002/anie.202106929

A universal strategy is developed to construct a cascade Z-Scheme system, in which an effective energy platform is the core to direct charge transfer and separation, blocking the unexpected type-II charge transfer pathway. The dimension-matched (001)... Read More about Energy Platform for Directed Charge Transfer in the Cascade Z-Scheme Heterojunction: CO2 Photoreduction without a Cocatalyst.

Magneto-optical transmission in magnetic nanoparticle suspensions for different optical applications: a review (2020)
Journal Article
Jing, D., Sun, L., Jin, J., Thangamuthu, M., & Tang, J. (2021). Magneto-optical transmission in magnetic nanoparticle suspensions for different optical applications: a review. Journal of Physics D: Applied Physics, 54(1), Article 013001. https://doi.org/10.1088/1361-6463/abb8fd

Recently, the magneto-optical properties of magnetic nanofluids have received increasing attention due to their wide range of applications in solar energy conversions and also as smart fluids in tunable photonic devices, optical switch, optical fiber... Read More about Magneto-optical transmission in magnetic nanoparticle suspensions for different optical applications: a review.

Reliable Langmuir Blodgett colloidal masks for large area nanostructure realization (2020)
Journal Article
Thangamuthu, M., Santschi, C., & Martin, O. J. (2020). Reliable Langmuir Blodgett colloidal masks for large area nanostructure realization. Thin Solid Films, 709, Article 138195. https://doi.org/10.1016/j.tsf.2020.138195

The fabrication of highly ordered nanostructures over large areas is key for many technologies and colloidal lithography using the Langmuir Blodgett technique appears a simple and straightforward way of reaching that goal. While this technique has be... Read More about Reliable Langmuir Blodgett colloidal masks for large area nanostructure realization.

Dynamics of hot electron generation in metallic nanostructures: General discussion (2019)
Journal Article
Aizpurua, J., Ashfold, M., Baletto, F., Baumberg, J., Christopher, P., Cortés, E., de Nijs, B., Diaz Fernandez, Y., Gargiulo, J., Gawinkowski, S., Halas, N., Hamans, R., Jankiewicz, B., Khurgin, J., Vijaya Kumar, P., Liu, J., Maier, S., Maurer, R. J., Mount, A., Sven Mueller, N., …Zhan, C. (2019). Dynamics of hot electron generation in metallic nanostructures: General discussion. Faraday Discussions, 214, https://doi.org/10.1039/c9fd90011j

New materials for hot electron generation: General discussion (2019)
Journal Article
Aizpurua, J., Baumberg, J., Boltasseva, A., Christopher, P., Cortes, E., Cronin, S. B., Dadhich, B. K., de Nijs, B., Deshpande, P., Diaz Fernandez, Y., Fabris, L., Gawinkowski, S., Govorov, A., Halas, N., Huang, J., Jankiewicz, B., Kamarudheen, R., Khurgin, J., Lee, T. K., Mahin, J., …Zayats, A. (2019). New materials for hot electron generation: General discussion. Faraday Discussions, 214, 365-386. https://doi.org/10.1039/c9fd90013f

Theory of hot electrons: general discussion (2019)
Journal Article
Aizpurua, J., Baletto, F., Baumberg, J., Christopher, P., Nijs, B. D., Deshpande, P., Diaz Fernandez, Y., Fabris, L., Freakley, S., Gawinkowski, S., Govorov, A., Halas, N., Hernandez, R., Jankiewicz, B., Khurgin, J., Kuisma, M., Kumar, P. V., Lischner, J., Liu, J., Marini, A., …Zayats, A. (2019). Theory of hot electrons: general discussion. Faraday Discussions, 214, 245-281. https://doi.org/10.1039/c9fd90012h

Graphene- and Graphene Oxide-Based Nanocomposite Platforms for Electrochemical Biosensing Applications (2019)
Journal Article
Thangamuthu, M., Hsieh, K. Y., Kumar, P. V., & Chen, G.-Y. (2019). Graphene- and Graphene Oxide-Based Nanocomposite Platforms for Electrochemical Biosensing Applications. International Journal of Molecular Sciences, 20(12), Article 2975. https://doi.org/10.3390/ijms20122975

Graphene and its derivatives such as graphene oxide (GO) and reduced GO (rGO) offer excellent electrical, mechanical and electrochemical properties. Further, due to the presence of high surface area, and a rich oxygen and defect framework, they are a... Read More about Graphene- and Graphene Oxide-Based Nanocomposite Platforms for Electrochemical Biosensing Applications.