journal article·2022-09-28

Solution Processed Photodetectors with PVK-WS2 Nanotube/Nanofullerene Organic–Inorganic Hybrid Films

Fenghua Liu, Huanli Zhou, Yunjiao Gu, Zhenbiao Dong, Yi Yang, Zan Wang, Tong Zhang, Weiping Wu

ACS Applied Materials & Interfaces· Volume 14· Issue 38
Publisher page

Abstract

Organic–inorganic hybrid photodetectors have attracted increased interest due to their exceptional properties, such as flexibility, transparency, and low cost for many promising applications. Low-dimensional tungsten disulfide (WS2) nanostructures have outstanding electrical and optical properties, making them ideal candidates for ultrasensitive photodetector devices. In this paper, photodetectors were fabricated with hybrid thin films containing two different WS2 nanomaterials, one-dimensional (1D) WS2 nanotubes (WS2-NTs) and a zero-dimensional (0D) WS2 nanofullerene (WS2-FLs) hybrid with poly(N-vinyl carbazole) (PVK). The electrical responses of the devices under visible-light illuminations were studied. The photodetector devices with 0D WS2-FLs/PVK hybrid thin films have relatively higher sensitivity and stable voltage responses to visible light. Besides, the hybrid film shows a strong surface-enhanced Raman effect (SERS). These materials and new strategies enable the creation of a new class of processed photodetectors for practical applications.
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Research context

OpenAlex topics: 2D Materials and Applications · Perovskite Materials and Applications · Graphene research and applications

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

Affiliations

Laboratory of Thin Film Optics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, People’s Republic of China

State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, People’s Republic of China

Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai201800, People’s Republic of China

Joint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing, 210096, People’s Republic of China

School of Mechanical Engineering, Shanghai Institute of Technology, Shanghai, 201418, People’s Republic of China

Funding

National Key Research and Development Program of China · National Natural Science Foundation of China

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