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대한화학회 제124회 학술발표회 및 총회 In-Situ Synthesis of Bi2S3 Nanowire on Bi2MoO6 for Highly Improved Photoelectrochemical Performance

등록일
2019년 8월 21일 19시 11분 51초
접수번호
0815
발표코드
ELEC.P-410 이곳을 클릭하시면 발표코드에 대한 설명을 보실 수 있습니다.
발표시간
10월 17일 (목요일) 11:00~12:30
발표형식
포스터
발표분야
Electrochemistry
저자 및
공동저자
Jihyeon Kim, Ki Min Nam*
Department of Chemistry, Pusan National University, Korea
Single-crystalline Bi2S3 nanowire array (Bi2S3NWA) was synthesized via an in-situ hydrothermal reaction on the surface of the Bi2MoO6 film. Because there was no extra addition of the Bi3+ source during the process, the Bi2MoO6 layer acted as a substrate as well as a Bi3+ source for the growth of Bi2S3 nanowires. Compared to the other Bi2S3 electrodes, the resulting Bi2MoO6/ Bi2S3NWA composite showed enhanced photoelectrochemical (PEC) activity. The origin of this enhanced activity is mainly attributed to the enhancement of charge separation on the Bi2S3 NWA layer, due to the effective photogenerated electron transfer from the Bi2S3 conduction band to that of Bi2MoO6. Furthermore, the single-crystalline Bi2S3 nanowires can provide a fast electrical pathway to Bi2MoO6 through a single domain of nanowires.

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