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The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethen...
Autores principales: | , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Royal Society of Chemistry
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5460603/ https://www.ncbi.nlm.nih.gov/pubmed/28616138 http://dx.doi.org/10.1039/c6sc03177c |
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author | Yu, Tao Ou, Depei Yang, Zhiyong Huang, Qiuyi Mao, Zhu Chen, Junru Zhang, Yi Liu, Siwei Xu, Jiarui Bryce, Martin R. Chi, Zhenguo |
author_facet | Yu, Tao Ou, Depei Yang, Zhiyong Huang, Qiuyi Mao, Zhu Chen, Junru Zhang, Yi Liu, Siwei Xu, Jiarui Bryce, Martin R. Chi, Zhenguo |
author_sort | Yu, Tao |
collection | PubMed |
description | This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethene (TPE) building blocks, namely tris(4-nitrophenyl)phenylethene (TPE3N) and tetrakis(4-nitrophenyl)ethene (TPE4N). Using single-crystal X-ray diffraction analysis, two types of pores are observed in the HOFTPE4N supramolecular structure. The pore sizes are 5.855 Å × 5.855 Å (α pores) and 7.218 Å × 7.218 Å (β pores). Powder X-ray diffraction and differential scanning calorimetry studies further reveal that the α pores, which contain nitrophenyl rings, quench the emission of HOFTPE4N. This emission can be turned on by breaking the α pores in the HOFs by grinding the sample. Temperature-dependent emission studies demonstrate that the emission quenching of HOFTPE4N is attributed to the intramolecular rotations of nitro-substituted phenyl units within the space of the α pores. These results clearly reveal AIE by controlling the intramolecular rotations, which can serve as a basis for developing mechanoluminescent materials. |
format | Online Article Text |
id | pubmed-5460603 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2017 |
publisher | Royal Society of Chemistry |
record_format | MEDLINE/PubMed |
spelling | pubmed-54606032017-06-14 The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials Yu, Tao Ou, Depei Yang, Zhiyong Huang, Qiuyi Mao, Zhu Chen, Junru Zhang, Yi Liu, Siwei Xu, Jiarui Bryce, Martin R. Chi, Zhenguo Chem Sci Chemistry This study probes the effect of intramolecular rotations on aggregation-induced emission (AIE) and leads to a kind of supramolecular mechanoluminescent material. Two hydrogen-bonded organic frameworks (HOFs), namely HOFTPE3N and HOFTPE4N, have been constructed from nitro-substituted tetraphenylethene (TPE) building blocks, namely tris(4-nitrophenyl)phenylethene (TPE3N) and tetrakis(4-nitrophenyl)ethene (TPE4N). Using single-crystal X-ray diffraction analysis, two types of pores are observed in the HOFTPE4N supramolecular structure. The pore sizes are 5.855 Å × 5.855 Å (α pores) and 7.218 Å × 7.218 Å (β pores). Powder X-ray diffraction and differential scanning calorimetry studies further reveal that the α pores, which contain nitrophenyl rings, quench the emission of HOFTPE4N. This emission can be turned on by breaking the α pores in the HOFs by grinding the sample. Temperature-dependent emission studies demonstrate that the emission quenching of HOFTPE4N is attributed to the intramolecular rotations of nitro-substituted phenyl units within the space of the α pores. These results clearly reveal AIE by controlling the intramolecular rotations, which can serve as a basis for developing mechanoluminescent materials. Royal Society of Chemistry 2017-02-01 2016-09-02 /pmc/articles/PMC5460603/ /pubmed/28616138 http://dx.doi.org/10.1039/c6sc03177c Text en This journal is © The Royal Society of Chemistry 2016 https://creativecommons.org/licenses/by/3.0/This is an Open Access article distributed under the terms of the Creative Commons Attribution 3.0 Unported License (http://creativecommons.org/licenses/by/3.0/ (https://creativecommons.org/licenses/by/3.0/) ) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. |
spellingShingle | Chemistry Yu, Tao Ou, Depei Yang, Zhiyong Huang, Qiuyi Mao, Zhu Chen, Junru Zhang, Yi Liu, Siwei Xu, Jiarui Bryce, Martin R. Chi, Zhenguo The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials |
title | The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
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title_full | The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
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title_fullStr | The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
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title_full_unstemmed | The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
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title_short | The HOF structures of nitrotetraphenylethene derivatives provide new insights into the nature of AIE and a way to design mechanoluminescent materials
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title_sort | hof structures of nitrotetraphenylethene derivatives provide new insights into the nature of aie and a way to design mechanoluminescent materials |
topic | Chemistry |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5460603/ https://www.ncbi.nlm.nih.gov/pubmed/28616138 http://dx.doi.org/10.1039/c6sc03177c |
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