Journal
COATINGS
Volume 12, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/coatings12050609
Keywords
infrared photodetectors; room temperature; low-dimensional
Categories
Funding
- National Natural Science Foundation of China
- National Key R&D Program of China [62035004, 2021YFA0717600]
- NSFC [62105022]
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Infrared photodetectors have broad applications and have been the focus of research for several decades. Traditional detectors require cooling for optimal performance, making them bulky and expensive. The development of room-temperature infrared photodetectors using low-dimensional materials is a promising direction. This review summarizes the preparation methods and characteristics of several low-dimensional materials and discusses the room-temperature infrared photodetectors based on them.
Infrared photodetectors have received much attention for several decades due to their broad applications in the military, science, and daily life. However, for achieving an ideal signal-to-noise ratio and a very fast response, cooling is necessary in those devices, which makes them bulky and costly. Thus, room-temperature infrared photodetectors have emerged as a hot research direction. Novel low-dimensional materials with their easy fabrication and excellent photoelectronic properties provide a possible solution for room-temperature infrared photodetectors. This review aims to summarize the preparation methods and characterization of several low-dimensional materials (PbS, PbSe and HgTe, new two-dimensional materials) with great concern and the room-temperature infrared photodetectors based on them.
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