journal article·2016-07Open access

Long‐Lived Room‐Temperature Phosphorescence of Coronene in Zeolitic Imidazolate Framework ZIF‐8

Hiroyuki Mieno, Ryota Kabe, Naoto Notsuka, Mark D. Allendorf, Chihaya Adachi

Advanced Optical Materials· Volume 4· Issue 7

Abstract

Long-lived phosphorescence is demonstrated with an emission lifetime of 22.4 s at room temperature from coronene-d 12 encapsulated in the zeolitic imidazolate framework ZIF-8. The guest emitter coronene-d 12 is well isolated in the rigid framework of ZIF-8, enabling long-lived triplet excitons even at higher than 300 K. It is also demonstrated that thermally activated delayed fluorescence can be achieved at temperatures >300 K.
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Research context

OpenAlex topics: Metal-Organic Frameworks: Synthesis and Applications · Luminescence and Fluorescent Materials · Molecular Sensors and Ion Detection

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Center for Organic Photonics and Electronics Research (OPERA) Kyushu University 744 Motooka Nishi‐ku, Fukuoka 819‐0395 Japan

JST ERATO Adachi Molecular Exciton Engineering Project Kyushu University 744 Motooka Nishi‐ku, Fukuoka 819‐0395 Japan

Sandia National Laboratories Livermore CA 94551 USA

International Institute for Carbon Neutral Energy Research (WPI‐I2CNER) Kyushu University 744 Motooka Nishi‐ku, Fukuoka 819‐0395 Japan

Funding

Japan Science and Technology Agency · ERATO · Ministry of Education, Culture, Sports, Science and Technology · Office of Energy Efficiency and Renewable Energy · Sandia National Laboratories · National Nuclear Security Administration

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