Issue 47, 2021

Green-to-UV photon upconversion enabled by new perovskite nanocrystal-transmitter-emitter combination

Abstract

The first example of triplet–triplet annihilation-based photon upconversion (TTA-UC) from green light to ultraviolet (UV) light sensitized by lead halide perovskite nanocrystals is demonstrated. The combination of a new transmitter that extracts triplet energy from perovskite and a UV emitter with a low triplet energy level lengthens the excitation wavelength of perovskite-sensitized upconverted UV emission.

Graphical abstract: Green-to-UV photon upconversion enabled by new perovskite nanocrystal-transmitter-emitter combination

Supplementary files

Article information

Article type
Communication
Submitted
07 Okt. 2021
Accepted
21 Nov. 2021
First published
23 Nov. 2021

Nanoscale, 2021,13, 19890-19893

Green-to-UV photon upconversion enabled by new perovskite nanocrystal-transmitter-emitter combination

M. Koharagi, N. Harada, K. Okumura, J. Miyano, S. Hisamitsu, N. Kimizuka and N. Yanai, Nanoscale, 2021, 13, 19890 DOI: 10.1039/D1NR06588B

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