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

Mio Koharagi; Naoyuki Harada; Keisuke Okumura; Junji Miyano; Shota Hisamitsu; Nobuo Kimizuka; Nobuhiro Yanai

doi:10.1039/d1nr06588b

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

Mio Koharagi, Naoyuki Harada, Keisuke Okumura, Junji Miyano, Shota Hisamitsu, Nobuo Kimizuka, Nobuhiro Yanai

Chemistry and Biochemistry

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

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.

Original language	English
Pages (from-to)	19890-19893
Number of pages	4
Journal	Nanoscale
Volume	13
Issue number	47
DOIs	https://doi.org/10.1039/d1nr06588b
Publication status	Published - Dec 21 2021

All Science Journal Classification (ASJC) codes

Materials Science(all)

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10.1039/d1nr06588b

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title = "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.",

author = "Mio Koharagi and Naoyuki Harada and Keisuke Okumura and Junji Miyano and Shota Hisamitsu and Nobuo Kimizuka and Nobuhiro Yanai",

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doi = "10.1039/d1nr06588b",

language = "English",

volume = "13",

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T1 - Green-to-UV photon upconversion enabled by new perovskite nanocrystal-transmitter-emitter combination

AU - Koharagi, Mio

AU - Harada, Naoyuki

AU - Okumura, Keisuke

AU - Miyano, Junji

AU - Hisamitsu, Shota

AU - Kimizuka, Nobuo

AU - Yanai, Nobuhiro

N1 - Funding Information: This work was partly supported by JSPS KAKENHI (grant numbers JP20H02713, JP20K21211, JP20H05676, JP21J21739) and the Innovation inspired by Nature Program of Sekisui Chemical Co. Ltd. Publisher Copyright: © The Royal Society of Chemistry.

PY - 2021/12/21

Y1 - 2021/12/21

N2 - 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.

AB - 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.

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

Abstract

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