Bilayer Heterostructured PThTPTI/WS₂ Photodetectors with High Thermal Stability in Ambient Environment

Zhiwen Jin; Dan He; Qing Zhou; Peng Mao; Liming Ding; Jizheng Wang

doi:10.1021/acsami.6b12090

journal article·2016-12-07

Bilayer Heterostructured PThTPTI/WS₂ Photodetectors with High Thermal Stability in Ambient Environment

Zhiwen Jin, Dan He, Qing Zhou, Peng Mao, Liming Ding, Jizheng Wang

ACS Applied Materials & Interfaces· Volume 8· Issue 48

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Source abstract

Abstract

Organic-based photodetectors (PDs) have great potential applications in next-generation portable, low-cost, large-area displays and optical communications. However, for practical applications, they are facing big challenges due to their instabilities in ambient environments, especially under high temperatures. Robust materials and device architectures are highly demanded to overcome the problem. In this report, we employed a donor conjugated polymer PThTPTI and realized thin-film PDs which can stably operate in ambient air under temperatures as high as 300 °C. By adding a discontinuous thin layer of WS 2 beneath the PThTPTI film, the device photosensitivity is significantly enhanced without loss of the high thermal stability. This work provides new insights in designing novel and stable organic-based devices for future optoelectronic applications.

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Research context

Polymers Electronic materials

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Perovskite Materials and Applications

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

Affiliations

Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

National Center for Nanoscience and Technology, Beijing 100190, P. R. China

University of Chinese Academy of Sciences, Beijing 100049, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · Chinese Academy of Sciences · State Key Laboratory of Luminescent Materials and Devices, South China University of Technology · Key Laboratory of Nanosystem and Hierarchical Fabrication, Chinese Academy of Sciences · Center for Excellence in Nanoscience, Chinese Academy of Sciences

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