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|
| Type |
Poster Presentation |
| Area |
Physical Chemistry |
| Room No. |
Event Hall |
| Time |
4월 20일 (금요일) 11:00~12:30 |
| Code |
PHYS.P-125 |
| Subject |
Tuning of Band Alignments and Charge Transport Properties for Fast Interlayer Energy Transfer through MoSe2 Bridging between MoS2 and CdS for Enhanced Hydrogen Production |
| Authors |
PRAVEEN KUMAR DHARANI, EunHwa Kim, Hwan Lee1, TaeKyu Kim*, Bhavani Palagiri, MADHUSUDANA GOPANNAGARI, Amaranatha reddy
Department of Chemistry, Pusan National University, Korea
1Department of chemistry, Pusan National University, Korea
|
| Abstract |
Transition metal dichalcogenides materials play a major role in up-to-date innovations for energy conversion because of their peculiar properties and a wide selection of potential applications. These materials show great promise for the development of clean power sources to deal with growing environmental issues at a time of skyrocketing international demand for energy. Hence, herein, we have a tendency to specialize in an improvement of the relaxation time of photoexcited electrons and holes into adjacent layers for effective separation of charge carriers for better photocatalytic efficiency. We report the synthesis of earth-abundant, few-layered, MoSe2-bridged MoS2/CdS composite using typical strategies. The synthesized photocatalytic materials are assessed for hydrogen evolution by water splitting under irradiation of solar light using lactic acid as a hole-scavenger under optimal conditions. The MoSe2 bridging within the MoS2/CdS system exhibits a high rate of H2 production (193 mmol h-1 g-1). The presence of few-layered MoSe2-bridged MoS2/CdS successfully separates the photogenerated charge carriers and progresses the surface shuttling properties for proficient H2 production as of the extraordinary range of active edge sites along with improved electrical conductivity. To the best of our knowledge, the synthesized few-layered MoSe2-bridged MoS2/CdS material exhibits the most effective performance among all reported MoS2, MoSe2, and MoS2/MoSe2 combined CdS composites. Attributable to its cheap and extraordinary potency, this photocatalytic system shows abundant potential for the development of extremely proficient photocatalytic materials for use in varied fields. |
| E-mail |
dharani.praveenkumar@gmail.com |
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121st General Meeting of the KCS