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Please use this identifier to cite or link to this item: http://repository.li.mahidol.ac.th/dspace/handle/123456789/36184
Title: Efficient Luminescence from Perovskite Quantum Dot Solids
Authors: Younghoon Kim
Emre Yassitepe
Oleksandr Voznyy
Riccardo Comin
Grant Walters
Xiwen Gong
Pongsakorn Kanjanaboos
Ana F. Nogueira
Edward H. Sargent
University of Toronto
Universidade Estadual de Campinas
Mahidol University
Keywords: Materials Science
Issue Date: 3-Nov-2015
Citation: ACS Applied Materials and Interfaces. Vol.7, No.45 (2015), 25007-25013
Abstract: © 2015 American Chemical Society. Nanocrystals of CsPbX3perovskites are promising materials for light-emitting optoelectronics because of their colloidal stability, optically tunable bandgap, bright photoluminescence, and excellent photoluminescence quantum yield. Despite their promise, nanocrystal-only films of CsPbX3perovskites have not yet been fabricated; instead, highly insulating polymers have been relied upon to compensate for nanocrystals' unstable surfaces. We develop solution chemistry that enables single-step casting of perovskite nanocrystal films and overcomes problems in both perovskite quantum dot purification and film fabrication. Centrifugally cast films retain bright photoluminescence and achieve dense and homogeneous morphologies. The new materials offer a platform for optoelectronic applications of perovskite quantum dot solids.
URI: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84947904451&origin=inward
http://repository.li.mahidol.ac.th/dspace/handle/123456789/36184
ISSN: 19448252
19448244
Appears in Collections:Scopus 2011-2015

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