Heavy metal-free visible-to-UV photon upconversion with over 20% efficiency sensitized by a ketocoumarin derivative-Reference-Cited by-同舟云学术

Heavy metal-free visible-to-UV photon upconversion with over 20% efficiency sensitized by a ketocoumarin derivative

Published:2022 Issue:12 Volume:10 Page:4558-4562
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Uji Masanori¹,Harada Naoyuki¹,Kimizuka Nobuo¹^ORCID,Saigo Masaki²,Miyata Kiyoshi²,Onda Ken²^ORCID,Yanai Nobuhiro¹³^ORCID

Affiliation:

1. Department of Applied Chemistry, Graduate School of Engineering, Center for Molecular Systems (CMS), Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan

2. Department of Chemistry, Kyushu University, 744 Moto-oka, Nishi-ku, Fukuoka 819-0395, Japan

3. PRESTO, JST, Honcho 4-1-8, Kawaguchi, Saitama 332-0012, Japan

Abstract

The highest efficiency of heavy metal-free visible-to-UV photon upconversion is achieved by employing a ketocoumarin sensitizer with strong visible absorption, weak UV absorption, and high intersystem crossing efficiency.

Funder

Japan Society for the Promotion of Science

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2022/TC/D1TC05526G

Reference44 articles.

1. Up-Conversion Fluorescence: Noncoherent Excitation by Sunlight

2. Photon upconversion based on sensitized triplet–triplet annihilation

3. Triplet–triplet annihilation based upconversion: from triplet sensitizers and triplet acceptors to upconversion quantum yields