White light emission from an upconverted emission based on triplet-triplet annihilation with rose bengal as the sensitizer-Reference-Cited by-同舟云学术

White light emission from an upconverted emission based on triplet-triplet annihilation with rose bengal as the sensitizer

Published:2023-04-01 Issue:4 Volume:95 Page:413-419
ISSN:0033-4545
Container-title:Pure and Applied Chemistry
language:en
Short-container-title:

Author:

Chen Hung-Cheng¹²,Hung Chen-Yen¹,Lin Chih-Wei¹³,Wang Kuan-Hsiang¹³,Lee Mandy M.¹,Chen Peilin⁴,Chow Tashin J.¹,Hsu Chao-Ping¹,Sun Shih-Sheng¹

Affiliation:

1. Institute of Chemistry, Academia Sinica , Taipei , 115 , Taiwan, Republic of China

2. Department of Applied Chemistry , National University of Kaohsiung , Kaohsiung , 81148 , Taiwan, Republic of China

3. Department of Chemistry , National Central University , Jhong-Li , 32001 , Taiwan, Republic of China

4. Research Center for Applied Sciences , Academia Sinica , Taipei , 115 , Taiwan, Republic of China

Abstract

Abstract In this work, we report an energy upconversion system based on triplet-triplet annihilation comprised of rose bengal dye as the sensitizer and a highly fluorescent 9-(triphenyl)ethynyl-10-phenylanthracene (TPE-PAn) as the triplet annihilator. The energy upconversion can be observed with a low-power laser excitation at 532 nm or noncoherent Xe arc lamp excitaion at 540 nm. A delayed fluorescence from (TPE-PAn) at 418 nm was observed with an energy upconversion up to 0.64 eV and quantum yield of 0.8 %. A white-light emission was achieved as a result of combination of delayed fluorescence from TPE-PAn and residual fluorescence from rose bengal dye.

Funder

National Science and Technology Council of Taiwan

Academia Sinica

Publisher

Walter de Gruyter GmbH

Subject

General Chemical Engineering,General Chemistry

Link

https://www.degruyter.com/document/doi/10.1515/pac-2023-0210/pdf

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