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High Performance an...
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Bao, ChunxiongLinköpings universitet,Biomolekylär och Organisk Elektronik,Tekniska fakulteten,Shenzhen Univ, Peoples R China
(författare)
High Performance and Stable All-Inorganic Metal Halide Perovskite-Based Photodetectors for Optical Communication Applications
- Artikel/kapitelEngelska2018
Förlag, utgivningsår, omfång ...
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2018-07-31
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WILEY-V C H VERLAG GMBH,2018
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electronicrdacarrier
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LIBRIS-ID:oai:DiVA.org:liu-151638
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-151638URI
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https://doi.org/10.1002/adma.201803422DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|National Natural Science Foundation of China [51472164, 61704077]; Shenzhen Peacock Plan [KQTD2016053112042971]; Educational Commission of Guangdong Province [2015KGJHZ006, 2016KCXTD006]; Science and Technology Planning Project of Guangdong Province [2016B050501005]; Natural Science Foundation of SZU [000050]; Natural Science Foundation of Jiangsu Province [BK20171007]; China Postdoctoral Science Foundation [2017M622744, 2018T110886, 2016M601784, 2017T100358]; Postdoctoral Science Foundation of Jiangsu Province [1701135B]; ERC Starting Grant [717026]; European Commission Marie Sklodowska-Curie Actions [691210]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009-00971]; VINNMER Marie Curie Fellowships; 1000 Talents Program for Young Scientists of China
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Photodetectors are critical parts of an optical communication system for achieving efficient photoelectronic conversion of signals, and the response speed directly determines the bandwidth of the whole system. Metal halide perovskites, an emerging class of low-cost solution-processed semiconductors, exhibiting strong optical absorption, low trap states, and high carrier mobility, are widely investigated in photodetection applications. Herein, through optimizing the device engineering and film quality, high-performance photodetectors based on all-inorganic cesium lead halide perovskite (CsPbIxBr3-x), which simultaneously possess high sensitivity and fast response, are demonstrated. The optimized devices processed from CsPbIBr2 perovskite show a practically measured detectable limit of about 21.5 pW cm(-2) and a fast response time of 20 ns, which are both among the highest reported device performance of perovskite-based photodetectors. Moreover, the photodetectors exhibit outstanding long-term environmental stability, with negligible degradation of the photoresponse property after 2000 h under ambient conditions. In addition, the resulting perovskite photodetector is successfully integrated into an optical communication system and its applications as an optical signal receiver on transmitting text and audio signals is demonstrated. The results suggest that all-inorganic metal halide perovskite-based photodetectors have great application potential for optical communication.
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Zhang, WenjingShenzhen Univ, Peoples R China
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Linköpings universitetBiomolekylär och Organisk Elektronik
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Ingår i:Advanced Materials: WILEY-V C H VERLAG GMBH30:380935-96481521-4095
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