High-performance electronics and optoelectronics play vital roles in modern society,as they are the fundamental building blocks of functional devices and systems.Two-dimensional semiconductor materials(2D-SCMs)are pot...High-performance electronics and optoelectronics play vital roles in modern society,as they are the fundamental building blocks of functional devices and systems.Two-dimensional semiconductor materials(2D-SCMs)are potential candidates for highperformance electronics and optoelectronics due to their excellent physical,chemical,electrical,and photonic properties.Owing to their special crystalline structure,they also present unique piezoelectricity,which opens a new door to the innovative fields of piezotronics and piezo-phototronics.Piezotronics and piezophototronics utilize the piezoelectric polarization charges produced when the 2D-SCMs undergo externally applied strains/stresses to modulate the performance of 2D-SCMs-based electronics and optoelectronics.In this review,firstly,the growth methods and piezoelectric properties of 2D-SCMs are stated,and the mechanisms of piezotronics and piezo-phototronics are also introduced.Afterwards,the recent progress of piezotronics and piezo-phototronics in high-performance 2D-SMCs-based electronics and optoelectronics are systematically reviewed.In addition,the functional devices and systems based on the piezotronics and piezo-phototronics in 2D-SMCs have been summarized.Finally,the research progresses are summarized,and future perspectives are proposed.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.62174131 and 61704135)the China Postdoctoral Science Foundation(Grant No.2018T111055 and 2017M613138)the Postdoctoral Research Project of Shaanxi Province(Grant No.2017BSHEDZZ30).
文摘High-performance electronics and optoelectronics play vital roles in modern society,as they are the fundamental building blocks of functional devices and systems.Two-dimensional semiconductor materials(2D-SCMs)are potential candidates for highperformance electronics and optoelectronics due to their excellent physical,chemical,electrical,and photonic properties.Owing to their special crystalline structure,they also present unique piezoelectricity,which opens a new door to the innovative fields of piezotronics and piezo-phototronics.Piezotronics and piezophototronics utilize the piezoelectric polarization charges produced when the 2D-SCMs undergo externally applied strains/stresses to modulate the performance of 2D-SCMs-based electronics and optoelectronics.In this review,firstly,the growth methods and piezoelectric properties of 2D-SCMs are stated,and the mechanisms of piezotronics and piezo-phototronics are also introduced.Afterwards,the recent progress of piezotronics and piezo-phototronics in high-performance 2D-SMCs-based electronics and optoelectronics are systematically reviewed.In addition,the functional devices and systems based on the piezotronics and piezo-phototronics in 2D-SMCs have been summarized.Finally,the research progresses are summarized,and future perspectives are proposed.