2D Cadmium Chalcogenides for Optoelectronics
Bao Jin , Tianyou Zhai
Chemical Research in Chinese Universities ›› 2020, Vol. 36 ›› Issue (4) : 493 -503.
2D Cadmium Chalcogenides for Optoelectronics
Two-dimensional(2D) cadmium chalcogenides have triggered worldwide interests due to their unique merits in both structure and physical properties, including thickness-dependent bandgaps, narrow emission line widths, high intrinsic absorption coefficient and large absorption cross sections, etc., rendering their great potential for next-generation electronics and optoelectronics devices. In this article, the progress of 2D cadmium chalcogenides in the past few years is comprehensively reviewed. We first discussed several synthetic strategies for various 2D cadmium chalcogenides. Then, their optoelectronic applications in photodetectors, lasers, LEDs, and piezoelectric devices are summarized and commented in detail. Finally, a brief conclusion of the article and the future prospects of the 2D cadmium chalcogenides are provided.
2D cadmium chalcogenide / Synthesis / Optoelectronic device / Photodetector
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