Boosting Tunable Blue Luminescence of Halide Perovskite Nanoplatelets through Postsynthetic Surface Trap Repair

J. Bohn, Bernhard; Tong, Yu; Gramlich, Moritz; Ling Lai, May; Döblinger, Markus; Wang, Kun; L. Z. Hoye, Robert; Müller‐Buschbaum, Peter; D. Stranks, Samuel; S. Urban, Alexander; Polavarapu, Lakshminarayana; Feldmann, Jochen

doi:10.1021/acs.nanolett.8b02190

Public

Boosting Tunable Blue Luminescence of Halide Perovskite Nanoplatelets through Postsynthetic Surface Trap Repair

Published in Nano Letters • Jul 10, 2018

Authors:

Bernhard J. Bohn

Yu Tong

Moritz Gramlich

Abstract

-ligand solution repairs surface defects likely stemming from bromide and lead vacancies in a subensemble of weakly emissive nanoplatelets. The overall photoluminescence quantum yield of the blue-emissive colloidal dispersions is consequently enhanced up to a value of 73 ± 2%. Transient optical spec...

Subject

Halide

Luminescence

Materials science

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