期刊
NANOMATERIALS
卷 12, 期 13, 页码 -出版社
MDPI
DOI: 10.3390/nano12132260
关键词
two-dimensional materials; mid-infrared; modulator; photodetectors
类别
资金
- National Natural Science Foundation of China (CN) [62105211, 62105209, 61975134]
- Natural Science Foundation of Guangdong Province [2019A1515111060]
- Deanship of Scientific Research (DSR) at King Abdulaziz University, Jeddah [KEP-MSc-70-130-42]
- Natural Science Foundation of Jiangsu Province [BK20210076]
- King Khalid University through Research Center for Advanced Materials Science (RCAMS) [RCAMS/KKU/007/21]
This article summarizes the recent progress and potential of 2D materials in mid-infrared optoelectronic devices. The limitations of graphene are mentioned. The authors believe that research on 2D materials beyond graphene will soon emerge and make a positive contribution to the commercialization of nanodevices.
Since atomically thin two-dimensional (2D) graphene was successfully synthesized in 2004, it has garnered considerable interest due to its advanced properties. However, the weak optical absorption and zero bandgap strictly limit its further development in optoelectronic applications. In this regard, other 2D materials, including black phosphorus (BP), transition metal dichalcogenides (TMDCs), 2D Te nanoflakes, and so forth, possess advantage properties, such as tunable bandgap, high carrier mobility, ultra-broadband optical absorption, and response, enable 2D materials to hold great potential for next-generation optoelectronic devices, in particular, mid-infrared (MIR) band, which has attracted much attention due to its intensive applications, such as target acquisition, remote sensing, optical communication, and night vision. Motivated by this, this article will focus on the recent progress of semiconducting 2D materials in MIR optoelectronic devices that present a suitable category of 2D materials for light emission devices, modulators, and photodetectors in the MIR band. The challenges encountered and prospects are summarized at the end. We believe that milestone investigations of 2D materials beyond graphene-based MIR optoelectronic devices will emerge soon, and their positive contribution to the nano device commercialization is highly expected.
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