Few-layered metallic 1T-MoS2/TiO2 with exposed (001) facets: two-dimensional nanocomposites for enhanced photocatalytic activities
- Authors
- Han, HyukSu; Kim, Kang Min; Lee, Chan-Woo; Lee, Sunyong Caroline; Pawar, Rajendra C.; Jones, Jacob L.; Hong, Yu-Rim; Ryu, Jeong Ho; Song, Taeseup; Kang, Suk Hyun; Choi, Heechae; Mhin, Sungwook
- Issue Date
- Nov-2017
- Publisher
- Royal Society of Chemistry
- Citation
- Physical Chemistry Chemical Physics, v.19, no.41, pp.28207 - 28215
- Indexed
- SCIE
SCOPUS
- Journal Title
- Physical Chemistry Chemical Physics
- Volume
- 19
- Number
- 41
- Start Page
- 28207
- End Page
- 28215
- URI
- https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/8483
- DOI
- 10.1039/c7cp05523d
- ISSN
- 1463-9076
- Abstract
- Titanium dioxide (TiO2) with exposed (001) facets (TiO2(001)) has attractive photocatalytic properties. However, the high recombination rate of the photo-excited charge carriers on this surface often limits its application. Here, we report that a few-layered 1T-MoS2 coating on TiO2(001) nanosheets (abbreviated as MST) can be a promising candidate that overcomes some of the challenges of TiO2(001). Computational and experimental results demonstrate that MST as a photocatalyst exhibits a significantly low-charge recombination rate as well as excellent long-term durability. The synthesized MST 2D nanocomposites show a 31.9% increase in photocatalytic activity for hydrogen (H-2) production relative to the counterpart TiO2(001). MST offers a new route for further improvement of the photocatalytic activity of TiO2 with exposed high energy facets.
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