Enhancing NIR-to-visible photon upconversion in cast solid by introducing bulky substituents in rubrene and by suppressing back energy transfer

Author:

Sawa Akane12,Shimada Shota12,Tripathi Neeti1ORCID,Heck Claire1ORCID,Tachibana Hiroaki3ORCID,Koyama Emiko3ORCID,Mizokuro Toshiko3ORCID,Hirao Yasukazu4ORCID,Kubo Takashi4ORCID,Tamai Naoto2ORCID,Kuzuhara Daiki5ORCID,Yamada Hiroko6ORCID,Kamada Kenji12ORCID

Affiliation:

1. Nanomaterials Research Institute (NMRI), National Institute of Advanced Industrial Science and Technology (AIST), Ikeda, Osaka 563-8577, Japan

2. Department of Chemistry, Graduate School of Science and Technology, Kwansei Gakuin University, Sanda 669-1337, Japan

3. Research Institute for Advanced Electronics and Photonics, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan

4. Department of Chemistry, Graduate School of Science, Osaka University, Toyonaka, Osaka, 560-0043, Japan

5. Department of Physical Science and Materials Engineering, Iwate University, Morioka, Iwate 020-8551, Japan

6. Division of Materials Science, Graduate School of Science and Technology, Nara Institute of Science and Technology (NAIST), Ikoma, Nara 630-0192, Japan

Abstract

Upconversion efficiency from near infrared to visible light in cast solid is drastically enhanced by both introducing bulky peripherals in the emitter and reducing the sensitizer concentration.

Funder

Japan Society for the Promotion of Science

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Reference50 articles.

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