journal article·2020-02-12

Vertical Heterostructure of SnS–MoS2 Synthesized by Sulfur-Preloaded Chemical Vapor Deposition

Mengjuan Diao, Hui Li, Ruipeng Hou, Ying Liang, Jun Wang, Zhishan Luo, Zhipeng Huang, Chi Zhang

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Abstract

We synthesize a vertical heterostructure (HS) between tin sulfide (SnS) and molybdenum sulfide (MoS2) by chemical vapor deposition based on the preferential adsorption of sulfur on MoS2. Most of the SnS grains nucleate on MoS2 nanosheets, formatting partially stacked HS with large overlapping regions. Photoluminescence quenching of MoS2 is observed and illustrates effective charge separation in HS. The HS shows increased reverse saturable absorption relative to MoS2 and SnS. The preferential adsorption of sulfur powders on MoS2 and HS growth reported herein will provide a promising approach to the synthesis of other two-dimensional HS.
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Research context

OpenAlex topics: 2D Materials and Applications · Perovskite Materials and Applications · MXene and MAX Phase Materials

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Chemical Science and Engineering, Tongji University, Shanghai 200092, P.R. China

Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Science, Shanghai 201800, P.R. China

University of Chinese Academy of Sciences, Beijing 100049, P.R. China

School of Pharmacy, Shanghai University of Medicine and Health Sciences, Shanghai 201318, P.R. China

State Key Laboratory of Photocatalysis on Energy and Environment College of Chemistry, Fuzhou University, Fuzhou 350002, PR China

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Shanghai Municipal Education Commission · Government of Jiangsu Province · National Natural Science Foundation of China

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