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Title: Zero-Dimensional Hybrid Organic–Inorganic Indium Bromide with Blue Emission

Abstract

Low-dimensional hybrid organic–inorganic metal halides have received increased attention because of their outstanding optical and electronic properties. However, the most studied hybrid compounds contain lead and have long-term stability issues, which must be addressed for their use in practical applications. In this work, we report a new zero-dimensional hybrid organic–inorganic halide, RInBr4, featuring photoemissive trimethyl(4-stilbenyl)methylammonium (R+) cations and nonemissive InBr4– tetrahedral anions. The crystal structure of RInBr4 is composed of alternating layers of inorganic anions and organic cations along the crystallographic a axis. The resultant hybrid demonstrates bright-blue emission with Commission Internationale de l’Eclairage color coordinates of (0.19, 0.20) and a high photoluminescence quantum yield (PLQY) of 16.36% at room temperature, a 2-fold increase compared to the PLQY of 8.15% measured for the precursor organic salt RBr. On the basis of our optical spectroscopy and computational work, the organic component is responsible for the observed blue emission of the hybrid material. In addition to the enhanced light emission efficiency, the novel hybrid indium bromide demonstrates significantly improved environmental stability. These findings may pave the way for the consideration of hybrid organic In(III) halides for light emission applications.

Authors:
 [1];  [1];  [2];  [3];  [2];  [1]; ORCiD logo [4];  [1]; ORCiD logo [1]
  1. Univ. of Oklahoma, Norman, OK (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Lund Univ. (Sweden)
  4. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); National Science Foundation (NSF)
OSTI Identifier:
1766391
Grant/Contract Number:  
AC05-00OR22725; NA0003180; CHE-1726630
Resource Type:
Accepted Manuscript
Journal Name:
Inorganic Chemistry
Additional Journal Information:
Journal Volume: 60; Journal Issue: 2; Journal ID: ISSN 0020-1669
Publisher:
American Chemical Society (ACS)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY

Citation Formats

Fattal, Hadiah, Creason, Tielyr D., Delzer, Cordell J., Yangui, Aymen, Hayward, Jason P., Ross, Bradley J., Du, Mao-Hua, Glatzhofer, Daniel T., and Saparov, Bayrammurad. Zero-Dimensional Hybrid Organic–Inorganic Indium Bromide with Blue Emission. United States: N. p., 2021. Web. doi:10.1021/acs.inorgchem.0c03164.
Fattal, Hadiah, Creason, Tielyr D., Delzer, Cordell J., Yangui, Aymen, Hayward, Jason P., Ross, Bradley J., Du, Mao-Hua, Glatzhofer, Daniel T., & Saparov, Bayrammurad. Zero-Dimensional Hybrid Organic–Inorganic Indium Bromide with Blue Emission. United States. https://doi.org/10.1021/acs.inorgchem.0c03164
Fattal, Hadiah, Creason, Tielyr D., Delzer, Cordell J., Yangui, Aymen, Hayward, Jason P., Ross, Bradley J., Du, Mao-Hua, Glatzhofer, Daniel T., and Saparov, Bayrammurad. Mon . "Zero-Dimensional Hybrid Organic–Inorganic Indium Bromide with Blue Emission". United States. https://doi.org/10.1021/acs.inorgchem.0c03164. https://www.osti.gov/servlets/purl/1766391.
@article{osti_1766391,
title = {Zero-Dimensional Hybrid Organic–Inorganic Indium Bromide with Blue Emission},
author = {Fattal, Hadiah and Creason, Tielyr D. and Delzer, Cordell J. and Yangui, Aymen and Hayward, Jason P. and Ross, Bradley J. and Du, Mao-Hua and Glatzhofer, Daniel T. and Saparov, Bayrammurad},
abstractNote = {Low-dimensional hybrid organic–inorganic metal halides have received increased attention because of their outstanding optical and electronic properties. However, the most studied hybrid compounds contain lead and have long-term stability issues, which must be addressed for their use in practical applications. In this work, we report a new zero-dimensional hybrid organic–inorganic halide, RInBr4, featuring photoemissive trimethyl(4-stilbenyl)methylammonium (R+) cations and nonemissive InBr4– tetrahedral anions. The crystal structure of RInBr4 is composed of alternating layers of inorganic anions and organic cations along the crystallographic a axis. The resultant hybrid demonstrates bright-blue emission with Commission Internationale de l’Eclairage color coordinates of (0.19, 0.20) and a high photoluminescence quantum yield (PLQY) of 16.36% at room temperature, a 2-fold increase compared to the PLQY of 8.15% measured for the precursor organic salt RBr. On the basis of our optical spectroscopy and computational work, the organic component is responsible for the observed blue emission of the hybrid material. In addition to the enhanced light emission efficiency, the novel hybrid indium bromide demonstrates significantly improved environmental stability. These findings may pave the way for the consideration of hybrid organic In(III) halides for light emission applications.},
doi = {10.1021/acs.inorgchem.0c03164},
journal = {Inorganic Chemistry},
number = 2,
volume = 60,
place = {United States},
year = {Mon Jan 04 00:00:00 EST 2021},
month = {Mon Jan 04 00:00:00 EST 2021}
}

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