| Literature DB >> 27693550 |
Hui Feng1, Niu Tang2, Songbai Zhang2, Bo Liu2, Qingyun Cai3.
Abstract
A novel (CdS-Mn/MoS2/CdTe)-sensitized TiO2 nanotube arrays (NTAs) photoelectrode has been prepared by electrodeposite, successive ionic layer adsorption and reaction (SILAR) coupled with hydrothermal method. When a ZnS layer was added on the top of CdS-Mn/MoS2/CdTe/TiO2, a notable red-shift and high absorption was observed in the visible light region. The photocurrent density (mA/cm2) systematically increases from TiO2 NTAs (0.43), CdTe/TiO2 (1.09), MoS2/CdTe/TiO2 (1.80), CdS-Mn/MoS2/CdTe/TiO2 (2.40), to ZnS/CdS-Mn/MoS2/CdTe/TiO2 (3.41) under visible light irradiation, due to the type-II semiconductor heterostructures comprising multiple components with a staggered band offset. Such a heterostructure possesses an enhanced photocatalytic performance towards degradation of organic contaminant, e.g. P-Nitrophenol (PNP) and Rhodamine B (RhB).Entities:
Keywords: Electrodeposite; Hydrothermal; MoS(2) nanosheet; Photocatalytic; SILAR; Stepwise level; TiO(2) NTAs
Year: 2016 PMID： 27693550 DOI： 10.1016/j.jcis.2016.09.048
Source DB: PubMed Journal: J Colloid Interface Sci ISSN： 0021-9797 Impact factor: 8.128