Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites

Slow cooling of hot charge carriers in lead halide perovskite could be used in photovoltaics devices. Here, Yanget al. study hot carrier dynamics by transient absorption spectroscopy. They relate the phonon bottleneck to the up-conversion of low-energy phonons, facilitated by the presence of organic...

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Autores principales:	Jianfeng Yang, Xiaoming Wen, Hongze Xia, Rui Sheng, Qingshan Ma, Jincheol Kim, Patrick Tapping, Takaaki Harada, Tak W. Kee, Fuzhi Huang, Yi-Bing Cheng, Martin Green, Anita Ho-Baillie, Shujuan Huang, Santosh Shrestha, Robert Patterson, Gavin Conibeer
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Science Q
Acceso en línea:	https://doaj.org/article/67679770d2034343ac6e71fbcd18feab
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spelling	oai:doaj.org-article:67679770d2034343ac6e71fbcd18feab2021-12-02T14:40:47ZAcoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites10.1038/ncomms141202041-1723https://doaj.org/article/67679770d2034343ac6e71fbcd18feab2017-01-01T00:00:00Zhttps://doi.org/10.1038/ncomms14120https://doaj.org/toc/2041-1723Slow cooling of hot charge carriers in lead halide perovskite could be used in photovoltaics devices. Here, Yanget al. study hot carrier dynamics by transient absorption spectroscopy. They relate the phonon bottleneck to the up-conversion of low-energy phonons, facilitated by the presence of organic cations.Jianfeng YangXiaoming WenHongze XiaRui ShengQingshan MaJincheol KimPatrick TappingTakaaki HaradaTak W. KeeFuzhi HuangYi-Bing ChengMartin GreenAnita Ho-BaillieShujuan HuangSantosh ShresthaRobert PattersonGavin ConibeerNature PortfolioarticleScienceQENNature Communications, Vol 8, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Science Q
spellingShingle	Science Q Jianfeng Yang Xiaoming Wen Hongze Xia Rui Sheng Qingshan Ma Jincheol Kim Patrick Tapping Takaaki Harada Tak W. Kee Fuzhi Huang Yi-Bing Cheng Martin Green Anita Ho-Baillie Shujuan Huang Santosh Shrestha Robert Patterson Gavin Conibeer Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
description	Slow cooling of hot charge carriers in lead halide perovskite could be used in photovoltaics devices. Here, Yanget al. study hot carrier dynamics by transient absorption spectroscopy. They relate the phonon bottleneck to the up-conversion of low-energy phonons, facilitated by the presence of organic cations.
format	article
author	Jianfeng Yang Xiaoming Wen Hongze Xia Rui Sheng Qingshan Ma Jincheol Kim Patrick Tapping Takaaki Harada Tak W. Kee Fuzhi Huang Yi-Bing Cheng Martin Green Anita Ho-Baillie Shujuan Huang Santosh Shrestha Robert Patterson Gavin Conibeer
author_facet	Jianfeng Yang Xiaoming Wen Hongze Xia Rui Sheng Qingshan Ma Jincheol Kim Patrick Tapping Takaaki Harada Tak W. Kee Fuzhi Huang Yi-Bing Cheng Martin Green Anita Ho-Baillie Shujuan Huang Santosh Shrestha Robert Patterson Gavin Conibeer
author_sort	Jianfeng Yang
title	Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
title_short	Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
title_full	Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
title_fullStr	Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
title_full_unstemmed	Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
title_sort	acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/67679770d2034343ac6e71fbcd18feab
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Acoustic-optical phonon up-conversion and hot-phonon bottleneck in lead-halide perovskites

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