Microwave-assisted hydrothermal synthesis of Sn3O4 nanosheet/rGO planar heterostructure for efficient photocatalytic hydrogen generation
Microwave-assisted hydrothermal synthesis of Sn3O4 nanosheet/rGO planar heterostructure for efficient photocatalytic hydrogen generation
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微波辅助水热合成 Sn3O4 纳米片/rGO 平面异质结构用于高效光催化制氢
DOI:
10.1016/j.apcatb.2018.01.055
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发表时间:
2018-07
期刊:
影响因子:
--
通讯作者:
Hong Liu
中科院分区:
文献类型:
--
作者:
Xin Yu;Zhenhuan Zhao;Dehui Sun;Na Ren;Jinghua Yu;Ruiqi Yang;Hong Liu
The present work reports the facile synthesis of a planar heterostructure consisted of Sn3O4nanosheet and 2-dimentional reduced graphene oxide (rGO) through microwave-assisted hydrothermal method (MHM). The planar heterostructure features with extended light absorption range and shortened charge transfer distance, and hence exhibits excellent photocatalytic activity and stability, with a hydrogen evolution rate of 20 mmol/g/h. The photoelectrochemical characterization shows that the planar heterostructure has better charge separation efficiency and interfacial charge transfer kinetics, which are also demonstrated by photoluminescence (PL) spectra and time-resolved PL decay analysis. It is found that the lifetimes of the photocarriers increased in the heterostructure. This work provides a new design of planar heterostructure for photocatalytic hydrogen generation through facile synthesis.
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