2023

Theja, V. C.S., Karthikeyan, V. , Assi, D. S., Huang, H., Shek, C.-H. and Roy, V. (2023) Dispersion of InSb nanoinclusions in Cu3SbS4 for improved stability and thermoelectric efficiency. Advanced Energy and Sustainability Research, (Accepted for Publication)

Assi, D. S., Huang, H., Karthikeyan, V. , Theja, V. C.S., de Souza, M. M., Xi, N., Li, W. J. and Roy, V. A.L. (2023) Quantum topological neuristors for advanced neuromorphic intelligent systems. Advanced Science, 10(24), 2300791. (doi: 10.1002/advs.202300791) (PMID:37340871) (PMCID:PMC10460853)

Theja, V. C. S., Assi, D. S., Huang, H., Alsulami, R. S., Chen, B. J., Chan, C.-H., Shek, C.-H., Karthikeyan, V. and Roy, V. A. L. (2023) 3D architectural MXene composite films for stealth terahertz shielding performance. Advanced Materials Interfaces, (Accepted for Publication)

Assi, D. S., Huang, H., Kandira, K. U., Alsulaiman, N. S., Theja, V. C.S., Abbas, H. , Karthikeyan, V. and Roy, V. A. L. (2023) Charge mediated Copper Iodide based artificial synaptic device with ultrahigh neuromorphic efficacy. Physica Status Solidi - Rapid Research Letters, (doi: 10.1002/pssr.202300191) (Early Online Publication)

Assi, D. S., Haris, M. P.U., Karthikeyan, V. , Kazim, S., Ahmad, S. and Roy, V. A.L. (2023) Low switching power neuromorphic perovskite devices with quick relearning functionality. Advanced Electronic Materials, 9(8), 2300285. (doi: 10.1002/aelm.202300285)

Tajabadi, A. M.A.A.S., Dehghani, P., Assi, D. S., Karthikeyan, V. , Huang, C.-B., Abbas, H. T. and Roy, V. A.L. (2023) Compact magnetic field amplification by tuned Lenz lens. IEEE Sensors Journal, (doi: 10.1109/JSEN.2023.3297254) (Early Online Publication)

Theja, V. C.S., Karthikeyan, V. , Nayak, S., Kandira, K. U., Assi, D. S., Kannan, V. and Roy, V. A.L. (2023) Facile composite engineering to boost thermoelectric power conversion in ZnSb device. Journal of Physics and Chemistry of Solids, 178, 111329. (doi: 10.1016/j.jpcs.2023.111329)

2022

Theja, V. C. S., Karthikeyan, V. , Assi, D. S., Gopalan, S. and Roy, V. A. L. (2022) Probing the effect of MWCNT nanoinclusions on the thermoelectric performance of Cu3SbS4 composites. ACS Omega, 7(51), pp. 48484-48492. (doi: 10.1021/acsomega.2c06823) (PMID:36591112) (PMCID:PMC9798489)

Theja, V. C. S., Karthikeyan, V. , Assi, D. S. and Roy, V. A. L. (2022) Insights into the classification of nanoinclusions of composites for thermoelectric applications. ACS Applied Electronic Materials, 4(10), pp. 4781-4796. (doi: 10.1021/acsaelm.2c00617)

Hlaing, M. Z., Karthikeyan, V. , Wu, W., Chen, B. J., Ng, A. K., Chan, C.-H., De Souza, M. M. and Roy, V. A.L. (2022) 3D microstructured frequency selective surface based on carbonized polyimide films for terahertz applications. Advanced Optical Materials, 10(8), 2102178. (doi: 10.1002/adom.202102178)

Theja, V. C. S., Karthikeyan, V. , Yeung, C.-C., Venkatesh, S., Nayak, S. and Roy, V. A. L. (2022) Amorphous carbon nano-inclusions for strategical enhancement of thermoelectric performance in Earth-abundant Cu3SbS4. Journal of Alloys and Compounds, 900, 163433. (doi: 10.1016/j.jallcom.2021.163433)

Velmurugan, K. et al. (2022) A review of heat batteries based PV module cooling—case studies on performance enhancement of large-scale solar PV system. Sustainability, 14(4), 1963. (doi: 10.3390/su14041963)

Karthikeyan, V. , Theja, V. C.S., De Souza, M. M. and Roy, V. A.L. (2022) Hierarchically interlaced 2D copper iodide/MXene composite for high thermoelectric performance. Physica Status Solidi - Rapid Research Letters, 16(1), 2100419. (doi: 10.1002/pssr.202100419)

Theja, V. C. S., Karthikeyan, V. , Musah, J.-D., Wu, C.-M. L. and Roy, V. A. L. (2022) Thermoelectric properties of sulfide and selenide-based materials. In: Dalapati, G. K., Wong, T. K. S., Kundu, S., Chakraborty, A. K. and Zhuk, S. (eds.) Sulfide and Selenide Based Materials for Emerging Applications: Sustainable Energy Harvesting and Storage Technology. Elsevier, pp. 293-328. ISBN 9780323998604 (doi: 10.1016/B978-0-323-99860-4.00009-5)

2021

Karthikeyan, V. , Oo, S. L., Surjadi, J. U., Li, X., Theja, V. C.S., Kannan, V., Lau, S. C., Lu, Y., Lam, K.-H. and Roy, V. A.L. (2021) Defect engineering boosted ultrahigh thermoelectric power conversion efficiency in polycrystalline SnSe. ACS Applied Materials and Interfaces, 13(49), pp. 58701-58711. (doi: 10.1021/acsami.1c18194) (PMID:34851624)

Maniarasu, S., Karthikeyan, V. , Korukonda, T. B., Pradhan, S. C., Soman, S., Ramasamy, E. and Veerappan, G. (2021) Ambient processed perovskite sensitized porous TiO2 nanorods for highly efficient and stable perovskite solar cells. Journal of Alloys and Compounds, 884, 161061. (doi: 10.1016/j.jallcom.2021.161061)

Rekha, S. M. S., Karthikeyan, V. , Thuy, L. T. T., An Binh, Q., Techato, K., Kannan, V., Roy, V. A.L. , Sukchai, S. and Velmurugan, K. (2021) Efficient heat batteries for performance boosting in solar thermal cooking module. Journal of Cleaner Production, 324, 129223. (doi: 10.1016/j.jclepro.2021.129223)

Mannu, R. et al. (2021) Facile use of silver nanoparticles-loaded alumina/silica in nanofluid formulations for enhanced catalytic performance toward 4-nitrophenol reduction. International Journal of Environmental Research and Public Health, 18(6), 2994. (doi: 10.3390/ijerph18062994) (PMID:33803950) (PMCID:PMC7999000)

Vaithinathan, K. , Sundaram, G. A. and Anbalagan, K. (2021) New monomeric mixed-ligand complex of iron(III)-3-chloropyridine: Synthesis, structure, luminescence, electrochemical and magnetic properties. Journal of Molecular Structure, 1225, 129160. (doi: 10.1016/j.molstruc.2020.129160)

Mannu, R. et al. (2021) Polyethylene glycol coated magnetic nanoparticles: hybrid nanofluid formulation, properties and drug delivery prospects. Nanomaterials, 11(2), 440. (doi: 10.3390/nano11020440)

Lin Oo, S., Venkatesh, S., Karthikeyan, V. , Arava, C. M., Pathikonda, S., Yu, P. K. N., Lau, T. C. K., Chen, X. and Roy, V. A.L. (2021) Highly sensitive and cost-effective portable sensor for early gastric carcinoma diagnosis. Sensors, 21(8), 2639. (doi: 10.3390/s21082639)

2020

Karthikeyan, V. , Surjadi, J. U., Wong, J. C.K., Kannan, V., Lam, K.-H. , Chen, X., Lu, Y. and Roy, V. A.L. (2020) Wearable and flexible thin film thermoelectric module for multi-scale energy harvesting. Journal of Power Sources, 455, 227983. (doi: 10.1016/j.jpowsour.2020.227983)

Karthikeyan, V. , Li, T., Medasani, B., Luo, C., Shi, D., Wong, J. C.K., Lam, K.-H. , Ling, F. C.C. and Roy, V. A.L. (2020) Defect and dopant mediated thermoelectric power factor tuning in β‐Zn 4 Sb 3. Advanced Electronic Materials, 6(4), 1901284. (doi: 10.1002/aelm.201901284)

Karthikeyan, V. , Arava, C. M., Hlaing, M. Z., Chen, B., Chan, C. H., Lam, K.-H. and Roy, V. A.L. (2020) Dislocation-induced ultra-low lattice thermal conductivity in rare earth doped β-Zn4Sb3. Scripta Materialia, 174, pp. 95-101. (doi: 10.1016/j.scriptamat.2019.08.037)

M., R., R., P., Karthikeyan, V. , Roy, V. A. L. , Gopalan, A.-I., Saianand, G., Kim, W.-J. and Kannan, V. (2020) A comparative evaluation of physicochemical properties and photocatalytic efficiencies of cerium oxide and copper oxide nanofluids. Catalysts, 10(1), 34. (doi: 10.3390/catal10010034)

Oo, S. L., Ilyas, A.-M., Karthikeyan, V. , Arava, C. M., Kong, E. Y., Yeung, C.-C., Chen, X., Yu, P. K.N. and Vellaisamy, R. A.L. (2020) Gating a single cell: a label-free and real-time measurement method for cellular progression. Analytical Chemistry, 92(2), pp. 1738-1745. (doi: 10.1021/acs.analchem.9b03136) (PMID:31904934)

2019

KaniAmuthana, B., Vinotha, S., Vaithinathan, K. , Roy, V. A.L. and Thilakan, P. (2019) Influence of nitrogen dopant source on the structural, photoluminescence and electrical properties of ZnO thin films deposited by pulsed spray pyrolysis. Ceramics International, 45(18A), pp. 24324-24330. (doi: 10.1016/j.ceramint.2019.08.147)

Cai, X.-M., Wang, B., Ye, F., Vaithinathan, K. , Zeng, J.-J., Zhang, D.-P., Fan, P. and Roy, V.A.L. (2019) Tuning the photoluminescence, conduction mechanism and scattering mechanism of ZnSnN2. Journal of Alloys and Compounds, 779, pp. 237-243. (doi: 10.1016/j.jallcom.2018.11.239)

Cai, X.-M. et al. (2019) Fabricating ZnSnN2 with cosputtering. Surface and Coatings Technology, 359, pp. 169-174. (doi: 10.1016/j.surfcoat.2018.12.080)

Articles

Theja, V. C.S., Karthikeyan, V. , Assi, D. S., Huang, H., Shek, C.-H. and Roy, V. (2023) Dispersion of InSb nanoinclusions in Cu3SbS4 for improved stability and thermoelectric efficiency. Advanced Energy and Sustainability Research, (Accepted for Publication)

Assi, D. S., Huang, H., Karthikeyan, V. , Theja, V. C.S., de Souza, M. M., Xi, N., Li, W. J. and Roy, V. A.L. (2023) Quantum topological neuristors for advanced neuromorphic intelligent systems. Advanced Science, 10(24), 2300791. (doi: 10.1002/advs.202300791) (PMID:37340871) (PMCID:PMC10460853)

Theja, V. C. S., Assi, D. S., Huang, H., Alsulami, R. S., Chen, B. J., Chan, C.-H., Shek, C.-H., Karthikeyan, V. and Roy, V. A. L. (2023) 3D architectural MXene composite films for stealth terahertz shielding performance. Advanced Materials Interfaces, (Accepted for Publication)

Assi, D. S., Huang, H., Kandira, K. U., Alsulaiman, N. S., Theja, V. C.S., Abbas, H. , Karthikeyan, V. and Roy, V. A. L. (2023) Charge mediated Copper Iodide based artificial synaptic device with ultrahigh neuromorphic efficacy. Physica Status Solidi - Rapid Research Letters, (doi: 10.1002/pssr.202300191) (Early Online Publication)

Assi, D. S., Haris, M. P.U., Karthikeyan, V. , Kazim, S., Ahmad, S. and Roy, V. A.L. (2023) Low switching power neuromorphic perovskite devices with quick relearning functionality. Advanced Electronic Materials, 9(8), 2300285. (doi: 10.1002/aelm.202300285)

Tajabadi, A. M.A.A.S., Dehghani, P., Assi, D. S., Karthikeyan, V. , Huang, C.-B., Abbas, H. T. and Roy, V. A.L. (2023) Compact magnetic field amplification by tuned Lenz lens. IEEE Sensors Journal, (doi: 10.1109/JSEN.2023.3297254) (Early Online Publication)

Theja, V. C.S., Karthikeyan, V. , Nayak, S., Kandira, K. U., Assi, D. S., Kannan, V. and Roy, V. A.L. (2023) Facile composite engineering to boost thermoelectric power conversion in ZnSb device. Journal of Physics and Chemistry of Solids, 178, 111329. (doi: 10.1016/j.jpcs.2023.111329)

Theja, V. C. S., Karthikeyan, V. , Assi, D. S., Gopalan, S. and Roy, V. A. L. (2022) Probing the effect of MWCNT nanoinclusions on the thermoelectric performance of Cu3SbS4 composites. ACS Omega, 7(51), pp. 48484-48492. (doi: 10.1021/acsomega.2c06823) (PMID:36591112) (PMCID:PMC9798489)

Theja, V. C. S., Karthikeyan, V. , Assi, D. S. and Roy, V. A. L. (2022) Insights into the classification of nanoinclusions of composites for thermoelectric applications. ACS Applied Electronic Materials, 4(10), pp. 4781-4796. (doi: 10.1021/acsaelm.2c00617)

Hlaing, M. Z., Karthikeyan, V. , Wu, W., Chen, B. J., Ng, A. K., Chan, C.-H., De Souza, M. M. and Roy, V. A.L. (2022) 3D microstructured frequency selective surface based on carbonized polyimide films for terahertz applications. Advanced Optical Materials, 10(8), 2102178. (doi: 10.1002/adom.202102178)

Theja, V. C. S., Karthikeyan, V. , Yeung, C.-C., Venkatesh, S., Nayak, S. and Roy, V. A. L. (2022) Amorphous carbon nano-inclusions for strategical enhancement of thermoelectric performance in Earth-abundant Cu3SbS4. Journal of Alloys and Compounds, 900, 163433. (doi: 10.1016/j.jallcom.2021.163433)

Velmurugan, K. et al. (2022) A review of heat batteries based PV module cooling—case studies on performance enhancement of large-scale solar PV system. Sustainability, 14(4), 1963. (doi: 10.3390/su14041963)

Karthikeyan, V. , Theja, V. C.S., De Souza, M. M. and Roy, V. A.L. (2022) Hierarchically interlaced 2D copper iodide/MXene composite for high thermoelectric performance. Physica Status Solidi - Rapid Research Letters, 16(1), 2100419. (doi: 10.1002/pssr.202100419)

Karthikeyan, V. , Oo, S. L., Surjadi, J. U., Li, X., Theja, V. C.S., Kannan, V., Lau, S. C., Lu, Y., Lam, K.-H. and Roy, V. A.L. (2021) Defect engineering boosted ultrahigh thermoelectric power conversion efficiency in polycrystalline SnSe. ACS Applied Materials and Interfaces, 13(49), pp. 58701-58711. (doi: 10.1021/acsami.1c18194) (PMID:34851624)

Maniarasu, S., Karthikeyan, V. , Korukonda, T. B., Pradhan, S. C., Soman, S., Ramasamy, E. and Veerappan, G. (2021) Ambient processed perovskite sensitized porous TiO2 nanorods for highly efficient and stable perovskite solar cells. Journal of Alloys and Compounds, 884, 161061. (doi: 10.1016/j.jallcom.2021.161061)

Rekha, S. M. S., Karthikeyan, V. , Thuy, L. T. T., An Binh, Q., Techato, K., Kannan, V., Roy, V. A.L. , Sukchai, S. and Velmurugan, K. (2021) Efficient heat batteries for performance boosting in solar thermal cooking module. Journal of Cleaner Production, 324, 129223. (doi: 10.1016/j.jclepro.2021.129223)

Mannu, R. et al. (2021) Facile use of silver nanoparticles-loaded alumina/silica in nanofluid formulations for enhanced catalytic performance toward 4-nitrophenol reduction. International Journal of Environmental Research and Public Health, 18(6), 2994. (doi: 10.3390/ijerph18062994) (PMID:33803950) (PMCID:PMC7999000)

Vaithinathan, K. , Sundaram, G. A. and Anbalagan, K. (2021) New monomeric mixed-ligand complex of iron(III)-3-chloropyridine: Synthesis, structure, luminescence, electrochemical and magnetic properties. Journal of Molecular Structure, 1225, 129160. (doi: 10.1016/j.molstruc.2020.129160)

Mannu, R. et al. (2021) Polyethylene glycol coated magnetic nanoparticles: hybrid nanofluid formulation, properties and drug delivery prospects. Nanomaterials, 11(2), 440. (doi: 10.3390/nano11020440)

Lin Oo, S., Venkatesh, S., Karthikeyan, V. , Arava, C. M., Pathikonda, S., Yu, P. K. N., Lau, T. C. K., Chen, X. and Roy, V. A.L. (2021) Highly sensitive and cost-effective portable sensor for early gastric carcinoma diagnosis. Sensors, 21(8), 2639. (doi: 10.3390/s21082639)

Karthikeyan, V. , Surjadi, J. U., Wong, J. C.K., Kannan, V., Lam, K.-H. , Chen, X., Lu, Y. and Roy, V. A.L. (2020) Wearable and flexible thin film thermoelectric module for multi-scale energy harvesting. Journal of Power Sources, 455, 227983. (doi: 10.1016/j.jpowsour.2020.227983)

Karthikeyan, V. , Li, T., Medasani, B., Luo, C., Shi, D., Wong, J. C.K., Lam, K.-H. , Ling, F. C.C. and Roy, V. A.L. (2020) Defect and dopant mediated thermoelectric power factor tuning in β‐Zn 4 Sb 3. Advanced Electronic Materials, 6(4), 1901284. (doi: 10.1002/aelm.201901284)

Karthikeyan, V. , Arava, C. M., Hlaing, M. Z., Chen, B., Chan, C. H., Lam, K.-H. and Roy, V. A.L. (2020) Dislocation-induced ultra-low lattice thermal conductivity in rare earth doped β-Zn4Sb3. Scripta Materialia, 174, pp. 95-101. (doi: 10.1016/j.scriptamat.2019.08.037)

M., R., R., P., Karthikeyan, V. , Roy, V. A. L. , Gopalan, A.-I., Saianand, G., Kim, W.-J. and Kannan, V. (2020) A comparative evaluation of physicochemical properties and photocatalytic efficiencies of cerium oxide and copper oxide nanofluids. Catalysts, 10(1), 34. (doi: 10.3390/catal10010034)

Oo, S. L., Ilyas, A.-M., Karthikeyan, V. , Arava, C. M., Kong, E. Y., Yeung, C.-C., Chen, X., Yu, P. K.N. and Vellaisamy, R. A.L. (2020) Gating a single cell: a label-free and real-time measurement method for cellular progression. Analytical Chemistry, 92(2), pp. 1738-1745. (doi: 10.1021/acs.analchem.9b03136) (PMID:31904934)

KaniAmuthana, B., Vinotha, S., Vaithinathan, K. , Roy, V. A.L. and Thilakan, P. (2019) Influence of nitrogen dopant source on the structural, photoluminescence and electrical properties of ZnO thin films deposited by pulsed spray pyrolysis. Ceramics International, 45(18A), pp. 24324-24330. (doi: 10.1016/j.ceramint.2019.08.147)

Cai, X.-M., Wang, B., Ye, F., Vaithinathan, K. , Zeng, J.-J., Zhang, D.-P., Fan, P. and Roy, V.A.L. (2019) Tuning the photoluminescence, conduction mechanism and scattering mechanism of ZnSnN2. Journal of Alloys and Compounds, 779, pp. 237-243. (doi: 10.1016/j.jallcom.2018.11.239)

Cai, X.-M. et al. (2019) Fabricating ZnSnN2 with cosputtering. Surface and Coatings Technology, 359, pp. 169-174. (doi: 10.1016/j.surfcoat.2018.12.080)

Book Sections

Theja, V. C. S., Karthikeyan, V. , Musah, J.-D., Wu, C.-M. L. and Roy, V. A. L. (2022) Thermoelectric properties of sulfide and selenide-based materials. In: Dalapati, G. K., Wong, T. K. S., Kundu, S., Chakraborty, A. K. and Zhuk, S. (eds.) Sulfide and Selenide Based Materials for Emerging Applications: Sustainable Energy Harvesting and Storage Technology. Elsevier, pp. 293-328. ISBN 9780323998604 (doi: 10.1016/B978-0-323-99860-4.00009-5)