Flexible, UV-responsive perovskite photodetectors with low driving voltage

Hao Li; Dandan Yang; Ting Zhang; Peng Zhang; Feng Wang; Chaojie Qin; Ruihan Yang; Zhi David Chen; Shibin Li

doi:10.1007/s10853-019-03721-3

Flexible, UV-responsive perovskite photodetectors with low driving voltage

Hao Li
, Dandan Yang
, Ting Zhang
, Peng Zhang
, Feng Wang
, Chaojie Qin
, Ruihan Yang
, Zhi David Chen
, Shibin Li

Producción científica: Article › revisión exhaustiva

19 Citas (Scopus)

Resumen

Although lead halide perovskites with tunable band gaps are widely used for photodetection in the visible spectrum, very few studies have been focused on the use of perovskites in ultraviolet detection. Here, we report that MAPbI_3−xCl_x-based photodetectors (PDs) show a response in the ultraviolet spectrum as well as yield very fast photoresponse speed (< 80 µs/90 µs) and excellent detectivity (10¹² Jones with 365 nm lamp) with very low driving voltage (0.3 V). The results demonstrate the enhancement of photoelectric performance of the PDs in the ultraviolet spectrum is because the doping of Cl in MAPbI₃ increases the bandgap and the crystalline grain size of MAPbI_3−xCl_x film. Moreover, 10%PbCl₂-MAPbI_3−xCl_x-based flexible photodetectors displays remarkable mechanical flexibility.

Idioma original	English
Páginas (desde-hasta)	11556-11563
Número de páginas	8
Publicación	Journal of Materials Science
Volumen	54
N.º	17
DOI	https://doi.org/10.1007/s10853-019-03721-3
Estado	Published - sept 15 2019

Nota bibliográfica

Publisher Copyright:
© 2019, Springer Science+Business Media, LLC, part of Springer Nature.

Financiación

This work was supported by National Natural Science Foundation of China under Grant Nos. 61421002, 61474015, 61574029 and 61471085. This work was also partially supported by University of Kentucky.

Financiadores	Número del financiador
University of Kentucky
National Natural Science Foundation of China (NSFC)	61471085, 61574029, 61474015, 61421002
National Natural Science Foundation of China (NSFC)

ASJC Scopus subject areas

Ceramics and Composites
Materials Science (miscellaneous)
General Materials Science
Mechanics of Materials
Mechanical Engineering
Polymers and Plastics

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10.1007/s10853-019-03721-3

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title = "Flexible, UV-responsive perovskite photodetectors with low driving voltage",

abstract = "Although lead halide perovskites with tunable band gaps are widely used for photodetection in the visible spectrum, very few studies have been focused on the use of perovskites in ultraviolet detection. Here, we report that MAPbI3−xClx-based photodetectors (PDs) show a response in the ultraviolet spectrum as well as yield very fast photoresponse speed (< 80 µs/90 µs) and excellent detectivity (1012 Jones with 365 nm lamp) with very low driving voltage (0.3 V). The results demonstrate the enhancement of photoelectric performance of the PDs in the ultraviolet spectrum is because the doping of Cl in MAPbI3 increases the bandgap and the crystalline grain size of MAPbI3−xClx film. Moreover, 10\%PbCl2-MAPbI3−xClx-based flexible photodetectors displays remarkable mechanical flexibility.",

author = "Hao Li and Dandan Yang and Ting Zhang and Peng Zhang and Feng Wang and Chaojie Qin and Ruihan Yang and Chen, \{Zhi David\} and Shibin Li",

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AU - Li, Hao

AU - Yang, Dandan

AU - Zhang, Ting

AU - Zhang, Peng

AU - Wang, Feng

AU - Qin, Chaojie

AU - Yang, Ruihan

AU - Chen, Zhi David

AU - Li, Shibin

PY - 2019/9/15

Y1 - 2019/9/15

N2 - Although lead halide perovskites with tunable band gaps are widely used for photodetection in the visible spectrum, very few studies have been focused on the use of perovskites in ultraviolet detection. Here, we report that MAPbI3−xClx-based photodetectors (PDs) show a response in the ultraviolet spectrum as well as yield very fast photoresponse speed (< 80 µs/90 µs) and excellent detectivity (1012 Jones with 365 nm lamp) with very low driving voltage (0.3 V). The results demonstrate the enhancement of photoelectric performance of the PDs in the ultraviolet spectrum is because the doping of Cl in MAPbI3 increases the bandgap and the crystalline grain size of MAPbI3−xClx film. Moreover, 10%PbCl2-MAPbI3−xClx-based flexible photodetectors displays remarkable mechanical flexibility.

AB - Although lead halide perovskites with tunable band gaps are widely used for photodetection in the visible spectrum, very few studies have been focused on the use of perovskites in ultraviolet detection. Here, we report that MAPbI3−xClx-based photodetectors (PDs) show a response in the ultraviolet spectrum as well as yield very fast photoresponse speed (< 80 µs/90 µs) and excellent detectivity (1012 Jones with 365 nm lamp) with very low driving voltage (0.3 V). The results demonstrate the enhancement of photoelectric performance of the PDs in the ultraviolet spectrum is because the doping of Cl in MAPbI3 increases the bandgap and the crystalline grain size of MAPbI3−xClx film. Moreover, 10%PbCl2-MAPbI3−xClx-based flexible photodetectors displays remarkable mechanical flexibility.

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Flexible, UV-responsive perovskite photodetectors with low driving voltage

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Financiación

ASJC Scopus subject areas

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