Search Results - "Uma, Kasimayan"

Degradation of Methylene Blue Dye in the Presence of Visible Light Using SiO₂@α-Fe₂O₃ Nanocomposites Deposited on SnS₂ Flowers by Balu, Sridharan, Uma, Kasimayan, Pan, Guan-Ting, Yang, Thomas C-K, Ramaraj, Sayee Kannan

“…Semiconductor materials have been shown to have good photocatalytic behavior and can be utilized for the photodegradation of organic pollutants. In this work,…”
Get full text

Engineering S. oneidensis for Performance Improvement of Microbial Fuel Cell—a Mini Review by Leung, Dexter Hoi Long, Lim, Yin Sze, Uma, Kasimayan, Pan, Guan-Ting, Lin, Ja-Hon, Chong, Siewhui, Yang, Thomas Chung-Kuang

“…Microbial fuel cell (MFC) is a promising technology that utilizes exoelectrogens cultivated in the form of biofilm to generate power from various types of…”
Get full text

High‐Leakage‐Resistance and Low‐Turn‐On‐Voltage Upconversion Devices Based on Perovskite Quantum Dots by Chen, Lung‐Chien, Chen, Sih‐An, Uma, Kasimayan, Chiang, Chih‐Hsun, Xie, Jia‐Xun, Tseng, Zong‐Liang, Liu, Shun‐Wei

“…In recent years, the remarkable optoelectronic characteristics exhibited by perovskite quantum dots (PQDs) have captured significant attention, which has…”
Get full text

High‐Leakage‐Resistance and Low‐Turn‐On‐Voltage Upconversion Devices Based on Perovskite Quantum Dots (Adv. Funct. Mater. 1/2024) by Chen, Lung‐Chien, Chen, Sih‐An, Uma, Kasimayan, Chiang, Chih‐Hsun, Xie, Jia‐Xun, Tseng, Zong‐Liang, Liu, Shun‐Wei

“…Solution‐Processed Upconversion Devices In article number 2309589, Zong‐Liang Tseng, Shun‐Wei Liu, and co‐workers demonstrate an effective strategy for…”
Get full text

In-situ DRIFT investigation of photocatalytic reduction and oxidation properties of SiO2@α-Fe2O3 core-shell decorated RGO nanocomposite by Kasimayan, Uma, Nadarajan, Arjun, Singaravelu, Chandra Mohan, Pan, Guan-Ting, Kandasamy, Jothivenkatachalam, Yang, Thomas C.-K., Lin, Ja-Hon

“…In this work, SiO 2 @α-Fe 2 O 3 core-shell decorated RGO nanocomposites were prepared via a simple sol-gel method. The nanocomposites were prepared with…”
Get full text

Synthesis of boron doped C3N4/NiFe2O4 nanocomposite: An enhanced visible light photocatalyst for the degradation of methylene blue by Kamal, Surabhi, Balu, Sridharan, Palanisamy, Selvakumar, Uma, Kasimayan, Velusamy, Vijayalakshmi, Yang, Thomas C.K.

“…•For the first time, BCN/NiFe2O4 nanocomposite has been used for the photocatalytic degradation of organic dye.•MB has been used as a model organic dye to…”
Get full text

Stable Near-Infrared Photoluminescence of Hexagonal-Shaped PbS Nanoparticles with 1-Dodecanethiol Ligands by Liang, Tsair-Chun, Su, Hsin-Yu, Uma, Kasimayan, Chen, Sih-An, Deng, Zhi-Chi, Kao, Tzung-Ta, Lin, Chun-Cheng, Chen, Lung-Chien

“…In this study, lead(II) sulphide (PbS) nanoparticles of varying particle sizes were synthesized using the hot injection method, employing 1-octadecene (ODE) as…”
Get full text

Multi-functional RGO-supported α-Fe2O3 nanocomposites for high-performance pseudocapacitors and visible light–driven photocatalytic applications by Uma, Kasimayan, Chong, Siewhui, Mohan, Singaravelu Chandra, Jothivenkatachalam, Kandasamy, Yang, Thomas C.-K., Lin, Ja-Hon

“…This paper deals with a promising multi-functional material for energy storage and photocatalytic degradation of organic pollutants. RGO-supported α-Fe 2 O 3…”
Get full text

Ultra-broadband Photodetectors Based on Formamidinium Lead Iodide Quantum Dots by Chang, Che-Wei, Chen, Yu-Hung, Zhang, Yu-Cheng, Ke, Kuan-Yu, Uma, Kasimayan, Tseng, Zong-Liang

“…•Synthesis and comprehensive characterization of highly stable and emissive FAPbI3 quantum dots, exhibiting a broad absorption spectrum from 300 to 900 nm and…”
Get full text

Resonant energy transfer and light scattering enhancement of plasmonic random lasers embedded with silver nanoplates by Hsiao, Jia-Huei, Chen, Shih-Wen, Hung, Bing-Yi, Uma, Kasimayan, Chen, Wei-Cheng, Kuo, Chi-Ching, Lin, Ja-Hon

“…The resonant energy transfer enhancement from a plasmonic random laser (PRL) has been investigated by means of a dye-covered PVA film with embedded silver…”
Get full text

Photocatalytic oxidation of ethanol using ultrasonic modified TiO2; an in-situ diffuse reflectance infrared spectroscopy study by Elavarasan, Munirathinam, Uma, Kasimayan, Yang, Thomas C.K.

“…•Ultrasonically modified TiO2 nanoparticles are utilized for the photocatalytic oxidation of gas-phase ethanol.•For the first time, ultrasonically disordered…”
Get full text

Active Synthesis of Graphene Nanosheet-Embedded PbS Octahedral Nanocubes for Prompt Sonocatalytic Degradation by Uma, Kasimayan, Munusamy, Kesava, Munirathinam, Elavarasan, Yang, Thomas C.-K., Lin, Ja-Hon, Kannaiyan, Dinakaran

“…PbS octahedral cubic crystals were embedded in graphene nanosheets (GNS) which were synthesized using the autoclave method and utilized for the sonocatalytic…”
Get full text

All-solution-processed perovskite-quantum-dot light-emitting diodes through effective synergistic combination of orthogonal solvent and electron transport material by Tseng, Zong-Liang, Chen, Sih-An, Uma, Kasimayan, Chen, Yi-Sheng, Ke, Kuan-Yu, Xie, Jia-Xun, Chiang, Chung-Yu

“…Perovskite quantum dots (PQDs) have shown great promise for use in photovoltaic devices, due to their ability to offer advantages such as tunability of visible…”
Get full text

One-pot synthesis of covalently functionalized reduced graphene oxide–polyaniline nanocomposite for supercapacitor applications by Arjun, Nadarajan, Uma, Kasimayan, Pan, Guan-Ting, Yang, Thomas C-K., Sharmila, Ganapathi

“…A high-performance reduced graphene oxide–polyaniline (RGO-PANI) electrode material was prepared through commercially viable, facile one-pot synthesis,…”
Get full text

Fabrication of Hybrid Catalyst ZnO Nanorod/α-Fe2O3 Composites for Hydrogen Evolution Reaction by Uma, Kasimayan, Muniranthinam, Elavarasan, Chong, Siewhui, Yang, Thomas C.-K, Lin, Ja-Hon

“…This report presents the synthesis of ZnO nanorod/α-Fe2O3 composites by the hydrothermal method with different weight percentages of α-Fe2O3 nanoparticles. The…”
Get full text

The production of an efficient visible light photocatalyst for CO oxidation through the surface plasmonic effect of Ag nanoparticles on SiO2@α-Fe2O3 nanocomposites by Uma, Kasimayan, Chen, Shih-Wen, Arjun, Nadarajan, Pan, Guan-Ting, Yang, Thomas C.-K

“…A process for the photo deposition of noble Ag nanoparticles on a core-shell structure of SiO 2 @α-Fe 2 O 3 nanocomposite spheres was performed to produce a CO…”
Get full text

Ultrasonic-Assisted Electrodeposition of Mn-Doped NiCo2O4 for Enhanced Photodegradation of Methyl Red, Hydrogen Production, and Supercapacitor Applications by Kuan-Ching Lee, Timm Joyce Tiong, Guan-Ting Pan, Thomas Chung-Kuang Yang, Kasimayan Uma, Zong-Liang Tseng, Aleksandar N. Nikoloski, Chao-Ming Huang

“…This paper presents a novel ultrasonic-assisted electrodeposition process of Mn-doped NiCo2O4 onto a commercial nickel foam in a neutral electroplating bath…”
Get full text

Assembly of ZnO Nanoparticles on SiO2@α-Fe2O3 Nanocomposites for an Efficient Photo-Fenton Reaction by Uma, Kasimayan, Balu, Sridharan, Pan, Guan-Ting, Yang, Thomas

“…The SiO2@α-Fe2O3/ZnO metal oxide nanocomposites employed in this study were obtained using the sol-gel method. Their photocatalytic activities were enhanced by…”
Get full text

Hydrogen production of nickel–scandia-stabilized zirconia and copper/nickel–scandia-stabilized zirconia catalysts through steam methane reforming for solid oxide fuel cell operation by Uma, Kasimayan, Chu, Chia-Hui, Pan, Guan-Ting, Yang, Thomas C.-K., Wang, Sea-Fue

“…In this study, the catalytic activities of the steam methane reforming (SMR) reactions with two catalysts, including nickel–scandia-stabilized zirconia…”
Get full text

Plasmonic metallic silver induced Bi2WO6/TiO2 ternary junction towards the photocatalytic, electrochemical OER/HER, antibacterial and sensing applications by Kavinkumar, Veerappan, Verma, Atul, Uma, Kasimayan, Moscow, Subramanian, Jothivenkatachalam, Kandasamy, Fu, Yen-Pei

“…[Display omitted] •Plasmonic metal-induced Bi2WO6/TiO2 ternary composite was synthesized via a hydrothermal and chemical reduction route.•Bi2WO6/TiO2-Ag (BWTA)…”
Get full text