A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission
Abstract
The synthesis and characterization is reported of (C9NH20)2SnBr4, a novel organic metal halide hybrid with a zero-dimensional (0D) structure, in which individual seesaw-shaped tin (II) bromide anions (SnBr42-) are co-crystallized with 1-butyl-1-methylpyrrolidinium cations (C9NH20+). Upon photoexcitation, the bulk crystals exhibit a highly efficient broadband deep-red emission peaked at 695 nm, with a large Stokes shift of 332 nm and a high quantum efficiency of around 46 %. Furthermore, the unique photophysical properties of this hybrid material are attributed to two major factors: 1) the 0D structure allowing the bulk crystals to exhibit the intrinsic properties of individual SnBr42- species, and 2) the seesaw structure then enables a pronounced excited state structural deformation as confirmed by density functional theory (DFT) calculations.
- Authors:
-
- College of Engineering, Tallahassee, FL (United States). Dept. of Chemical and Biomedical Engineering
- Beihang Univ., Beijing (China). Dept. of Physics
- Materials Science and Engineering Program, Florida State University, Tallahassee FL 32306 USA
- Florida State Univ., Tallahassee, FL (United States). Dept. of Chemistry and Biochemistry
- Univ. of Southern California, Los Angeles, CA (United States). Dept. of Chemistry
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Materials Science and Technology Division, Center for Radiation Detection Materials and Systems
- College of Engineering, Tallahassee, FL (United States). Dept. of Chemical and Biomedical Engineering; Beihang Univ., Beijing (China). Dept. of Physics; Florida State Univ., Tallahassee, FL (United States). Dept. of Chemistry and Biochemistry
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); National Science Foundation (NSF)
- OSTI Identifier:
- 1414690
- DOE Contract Number:
- AC05-00OR22725; DMR-1709116; CHE-1664661; CHE-1464955
- Resource Type:
- Journal Article
- Journal Name:
- Angewandte Chemie (International Edition)
- Additional Journal Information:
- Journal Volume: 56; Journal ID: ISSN 1433-7851
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; deep-red emission; large Stokes shift; organic-inorganic hybrids; seesaw structure; zero-dimensional materials
Citation Formats
Zhou, Chenkun, Lin, Haoran, Shi, Hongliang, Tian, Yu, Pak, Chongin, Shatruk, Michael, Zhou, Yan, Djurovich, Peter, Du, Mao-Hua, and Ma, Biwu. A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission. United States: N. p., 2017.
Web. doi:10.1002/anie.201710383.
Zhou, Chenkun, Lin, Haoran, Shi, Hongliang, Tian, Yu, Pak, Chongin, Shatruk, Michael, Zhou, Yan, Djurovich, Peter, Du, Mao-Hua, & Ma, Biwu. A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission. United States. https://doi.org/10.1002/anie.201710383
Zhou, Chenkun, Lin, Haoran, Shi, Hongliang, Tian, Yu, Pak, Chongin, Shatruk, Michael, Zhou, Yan, Djurovich, Peter, Du, Mao-Hua, and Ma, Biwu. 2017.
"A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission". United States. https://doi.org/10.1002/anie.201710383.
@article{osti_1414690,
title = {A Zero-Dimensional Organic Seesaw-Shaped Tin Bromide with Highly Efficient Strongly Stokes-Shifted Deep-Red Emission},
author = {Zhou, Chenkun and Lin, Haoran and Shi, Hongliang and Tian, Yu and Pak, Chongin and Shatruk, Michael and Zhou, Yan and Djurovich, Peter and Du, Mao-Hua and Ma, Biwu},
abstractNote = {The synthesis and characterization is reported of (C9NH20)2SnBr4, a novel organic metal halide hybrid with a zero-dimensional (0D) structure, in which individual seesaw-shaped tin (II) bromide anions (SnBr42-) are co-crystallized with 1-butyl-1-methylpyrrolidinium cations (C9NH20+). Upon photoexcitation, the bulk crystals exhibit a highly efficient broadband deep-red emission peaked at 695 nm, with a large Stokes shift of 332 nm and a high quantum efficiency of around 46 %. Furthermore, the unique photophysical properties of this hybrid material are attributed to two major factors: 1) the 0D structure allowing the bulk crystals to exhibit the intrinsic properties of individual SnBr42- species, and 2) the seesaw structure then enables a pronounced excited state structural deformation as confirmed by density functional theory (DFT) calculations.},
doi = {10.1002/anie.201710383},
url = {https://www.osti.gov/biblio/1414690},
journal = {Angewandte Chemie (International Edition)},
issn = {1433-7851},
number = ,
volume = 56,
place = {United States},
year = {Thu Dec 21 00:00:00 EST 2017},
month = {Thu Dec 21 00:00:00 EST 2017}
}
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