Photoelectrochemical characterizations of hybrid nanostructure of few-layer ZnO/MoS2 nanorod
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1.
Hiền BTT, Chi TTK, Thành NT, Tân MM, Đại NT, Hùng NM, Lâm T Đại, Bích VT. Photoelectrochemical characterizations of hybrid nanostructure of few-layer ZnO/MoS2 nanorod. HueUni-JNS [Internet]. 2020Jun.30 [cited 2020Dec.4];129(1C):15-22. Available from: http://jos.hueuni.edu.vn/index.php/HUJOS-NS/article/view/5710

Abstract

In this work, we report the photoelectrochemical (PEC) characteristics of the few-layer MoS2 deposited on ZnO nanorod (ZnO/MoS2), synthesized with the hydrothermal and the metal-organic chemical vapor deposition method. This hybrid structure enhances the photoexcited electron–hole pair separation and the rapid transfer of charge carriers in photoelectrical cells via the built-in potential appearing on the interlayer between ZnO and MoS2. The PEC cell of ZnO/MoSphotoelectrode exhibits a current density of 1.15 mA·cm–2 and an efficiency of 0.61% at a potential of 0.2 V, which is 6.3 times higher compared with the photoelectrode manufactured from ZnO nanorods. From these results, we propose a potential application of MoS2 hybrid photocatalyst materials, such as metal oxides and Si, for enhancing the efficiency of PEC devices.

https://doi.org/10.26459/hueuni-jns.v129i1C.5710
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