Two-Dimensional MoS 2 -Based Photodetectors

Leilei Ye, Xiaorong Gan () and Romana Schirhagl
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Leilei Ye: Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
Xiaorong Gan: Key Laboratory of Integrated Regulation and Resource Development on Shallow Lake of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China
Romana Schirhagl: Department of Biomaterials and Biotechnology, University Medical Center Groningen, Groningen University, Antonius Deusinglaan 1, 9713 AW Groningen, The Netherlands

Sustainability, 2024, vol. 16, issue 22, 1-36

Abstract: Nanomaterials can significantly improve the analytical performance of optical sensors for environmental pollutants. Two-dimensional (2D) molybdenum sulfide (MoS 2 ) exhibits some unique physicochemical properties, such as strong light–matter interactions, bandgap tunability, and high carrier mobility, which are beneficial for constructing flexible optoelectronic devices. In this review, the principle and classification of 2D MoS 2 -based photodetectors (PDs) are introduced, followed by a discussion about the physicochemical properties of 2D MoS 2 , as well as the structure–property relationships of 2D MoS 2 -based photoactive materials for PDs to understand the modulation strategies for enhancing the photodetection performance. Furthermore, we discuss significant advances in the surface modification and functionalization of 2D MoS 2 for developing high-performance PDs, particularly focusing on synthesis pathways, modification strategies, and underlying physiochemical mechanisms for enhanced photodetection capabilities. Finally, conclusions and research perspectives on resolving significant bottlenecks or remaining challenges are offered based on recent developments in 2D MoS 2 -based PDs.

Keywords: 2D nanomaterials; photodetectors; plasmon; heterojunction; functionalization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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