Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion

Shu, Ruifeng; Naota, Takeshi; Suzuki, Shuichi

doi:https://doi.org/10.1002/smll.202311557

Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion

Shu, Ruifeng; Naota, Takeshi; Suzuki, Shuichi

Small, 2024, 20(33), 2311557

アクセス数:403件（2025-09-10 01:53 集計）

固定URL: https://hdl.handle.net/11094/95745

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タイトル	Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion
著者	著者名 Shu, Ruifeng
	NRID 1000020164113 1000020164113 ORCID 0000-0001-5348-3390 0000-0001-5348-3390 researchmap permalink read0013723 read0013723 Scopus Author ID 6603473779 6603473779 著者名 Naota, Takeshi
	NRID 1000080433291 1000080433291 ORCID 0000-0001-6294-9084 0000-0001-6294-9084 researchmap permalink read0210228 read0210228 Scopus Author ID 55388296800 55388296800 著者名 Suzuki, Shuichi
キーワード等	mechanochromism
	phase transition
	radical ion
	short-wave infrared light transparency
	π-dimerization
内容	Shu R., Naota T., Suzuki S.. Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion. Small , (2024); https://doi.org/10.1002/smll.202311557.
抄録	A liquescent salt consisting of a 7,7,8,8-tetracyanquinodimethane (TCNQ) radical anion and a tetra-n-decylammonium ion, 1+•TCNQ•−, exhibits rapid changes in the short-wave infrared (SWIR) light transparency at 1000–1400 nm upon the application of a one-shot needlestick-stimulus. Radical anion salt 1+•TCNQ•− transforms from a blue solid to a green liquid at 90 °C without decomposition under aerated conditions, and remains in the liquid state upon cooling to 70 °C. After applying pressure with a needlestick on a cover glass at 70 °C, the liquid transforms rapidly into the solid state over a timescale of seconds across a centimeter scale of area. Along with the liquid–solid transition, the SWIR-light transparency at 1200 nm completely switches from the “on” to the “off” states. Experimental results, such as electronic spectra and crystal structure analysis, indicates that the SWIR-light absorption in the solid state is due to the existence of a slipped-stacking π-dimer structure for TCNQ•−. The rapid rearrangement is induced by the formation of the π-dimer structures from the monomers of TCNQ•− and the subsequent generations of the solid-state seed.
出版者	John Wiley and Sons Inc
収録物名	Small
巻(号)	20(33)
ページ	2311557
刊行年月	2024-03-29
言語	英語
ハンドルURL	https://hdl.handle.net/11094/95745
PISSN	16136810
eISSN	16136829
関連情報 (isIdenticalTo)	DOI (出版社版) https://doi.org/10.1002/smll.202311557
アクセス権	open access
権利情報	This article is licensed under a Creative Commons Attribution 4.0 International License.
出版タイプ	Version of Record
カテゴリ	学術雑誌論文 Journal Article

資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
DCMI資源タイプ	text
DCTERMS.bibliographicCitation	Small. 2024, 20(33), p. 2311557
DC.title	Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion
DC.creator	Shu, Ruifeng
	Naota, Takeshi
	Suzuki, Shuichi
DC.publisher	John Wiley and Sons Inc
DC.language' scheme='DCTERMS.RFC1766	英語
DC.type' scheme='DCTERMS.DCMIType	text
DCTERMS.issued' scheme='DCTERMS.W3CDTF	2024-03-29
DC.identifier	https://doi.org/10.1002/smll.202311557
DC.subject	mechanochromism
	phase transition
	radical ion
	short-wave infrared light transparency
	π-dimerization
DC.description	Shu R., Naota T., Suzuki S.. Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion. Small , (2024); https://doi.org/10.1002/smll.202311557.
DCTERMS.abstract	A liquescent salt consisting of a 7,7,8,8-tetracyanquinodimethane (TCNQ) radical anion and a tetra-n-decylammonium ion, 1+•TCNQ•−, exhibits rapid changes in the short-wave infrared (SWIR) light transparency at 1000–1400 nm upon the application of a one-shot needlestick-stimulus. Radical anion salt 1+•TCNQ•− transforms from a blue solid to a green liquid at 90 °C without decomposition under aerated conditions, and remains in the liquid state upon cooling to 70 °C. After applying pressure with a needlestick on a cover glass at 70 °C, the liquid transforms rapidly into the solid state over a timescale of seconds across a centimeter scale of area. Along with the liquid–solid transition, the SWIR-light transparency at 1200 nm completely switches from the “on” to the “off” states. Experimental results, such as electronic spectra and crystal structure analysis, indicates that the SWIR-light absorption in the solid state is due to the existence of a slipped-stacking π-dimer structure for TCNQ•−. The rapid rearrangement is induced by the formation of the π-dimer structures from the monomers of TCNQ•− and the subsequent generations of the solid-state seed.
DC.rights	This article is licensed under a Creative Commons Attribution 4.0 International License.
DC.format	95745
citation_title	Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion
citation_author	Shu, Ruifeng
	Naota, Takeshi
	Suzuki, Shuichi
citation_publisher	John Wiley and Sons Inc
citation_language	英語
citation_date	2024-03-29
citation_journal_title	Small
citation_volume	20
citation_issue	33
citation_firstpage	2311557
citation_doi	https://doi.org/10.1002/smll.202311557
citation_public_url	https://hdl.handle.net/11094/95745

Needlestick-Stimulation-Induced Conversion of Short-Wave Infrared-Light Transparency Using a Liquescent Radical Anion

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