A facile strategy for realizing room temperature phosphorescence and single molecule white light emission

Jianguo Wang; Xinggui Gu; Huili Ma; Qian Peng; Xiaobo Huang; Xiaoyan Zheng; Simon H.P. Sung; Guogang Shan; Jacky W.Y. Lam; Zhigang Shuai; Ben Zhong Tang

doi:10.1038/s41467-018-05298-y

A facile strategy for realizing room temperature phosphorescence and single molecule white light emission

Jianguo Wang, Xinggui Gu^*, Huili Ma, Qian Peng, Xiaobo Huang, Xiaoyan Zheng, Simon H.P. Sung, Guogang Shan, Jacky W.Y. Lam, Zhigang Shuai, Ben Zhong Tang

^*Corresponding author for this work

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

361 Citations (Scopus)

Abstract

Research on materials with pure organic room temperature phosphorescence (RTP) and their application as organic single-molecule white light emitters is a hot area and relies on the design of highly efficient pure organic RTP luminogens. Herein, a facile strategy of heavy-atom-participated anion–π⁺ interactions is proposed to construct RTP-active organic salt compounds (1,2,3,4-tetraphenyloxazoliums with different counterions). Those compounds with heavy-atom counterions (bromide and iodide ions) exhibit outstanding RTP due to the external heavy atom effect via anion–π⁺ interactions, evidently supported by the single-crystal X-ray diffraction analysis and theoretical calculation. Their single-molecule white light emission is realized by tuning the degree of crystallization. Such white light emission also performs well in polymer matrices and their use in 3D printing is demonstrated by white light lampshades.

Original language	English
Article number	2963
Journal	Nature Communications
Volume	9
Issue number	1
DOIs	https://doi.org/10.1038/s41467-018-05298-y
Publication status	Published - 1 Dec 2018
Externally published	Yes

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title = "A facile strategy for realizing room temperature phosphorescence and single molecule white light emission",

abstract = "Research on materials with pure organic room temperature phosphorescence (RTP) and their application as organic single-molecule white light emitters is a hot area and relies on the design of highly efficient pure organic RTP luminogens. Herein, a facile strategy of heavy-atom-participated anion–π+ interactions is proposed to construct RTP-active organic salt compounds (1,2,3,4-tetraphenyloxazoliums with different counterions). Those compounds with heavy-atom counterions (bromide and iodide ions) exhibit outstanding RTP due to the external heavy atom effect via anion–π+ interactions, evidently supported by the single-crystal X-ray diffraction analysis and theoretical calculation. Their single-molecule white light emission is realized by tuning the degree of crystallization. Such white light emission also performs well in polymer matrices and their use in 3D printing is demonstrated by white light lampshades.",

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AU - Wang, Jianguo

AU - Gu, Xinggui

AU - Ma, Huili

AU - Peng, Qian

AU - Huang, Xiaobo

AU - Zheng, Xiaoyan

AU - Sung, Simon H.P.

AU - Shan, Guogang

AU - Lam, Jacky W.Y.

AU - Shuai, Zhigang

AU - Tang, Ben Zhong

PY - 2018/12/1

Y1 - 2018/12/1

N2 - Research on materials with pure organic room temperature phosphorescence (RTP) and their application as organic single-molecule white light emitters is a hot area and relies on the design of highly efficient pure organic RTP luminogens. Herein, a facile strategy of heavy-atom-participated anion–π+ interactions is proposed to construct RTP-active organic salt compounds (1,2,3,4-tetraphenyloxazoliums with different counterions). Those compounds with heavy-atom counterions (bromide and iodide ions) exhibit outstanding RTP due to the external heavy atom effect via anion–π+ interactions, evidently supported by the single-crystal X-ray diffraction analysis and theoretical calculation. Their single-molecule white light emission is realized by tuning the degree of crystallization. Such white light emission also performs well in polymer matrices and their use in 3D printing is demonstrated by white light lampshades.

AB - Research on materials with pure organic room temperature phosphorescence (RTP) and their application as organic single-molecule white light emitters is a hot area and relies on the design of highly efficient pure organic RTP luminogens. Herein, a facile strategy of heavy-atom-participated anion–π+ interactions is proposed to construct RTP-active organic salt compounds (1,2,3,4-tetraphenyloxazoliums with different counterions). Those compounds with heavy-atom counterions (bromide and iodide ions) exhibit outstanding RTP due to the external heavy atom effect via anion–π+ interactions, evidently supported by the single-crystal X-ray diffraction analysis and theoretical calculation. Their single-molecule white light emission is realized by tuning the degree of crystallization. Such white light emission also performs well in polymer matrices and their use in 3D printing is demonstrated by white light lampshades.

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A facile strategy for realizing room temperature phosphorescence and single molecule white light emission

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