Stimuli responsive aggregation-induced emission of bis(4-((9 H-fluoren-9-ylidene)methyl)phenyl)thiophene single crystals

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Stimuli responsive aggregation-induced emission of bis(4-((9 H-fluoren-9-ylidene)methyl)phenyl)thiophene single crystals. / Kazantsev, Maxim S.; Sonina, Alina A.; Koskin, Igor P. et al.

In: Materials Chemistry Frontiers, Vol. 3, No. 8, 01.08.2019, p. 1545-1554.

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

BibTeX

@article{b6beb03fa07140978fd00eac4c30b795,

title = "Stimuli responsive aggregation-induced emission of bis(4-((9 H-fluoren-9-ylidene)methyl)phenyl)thiophene single crystals",

abstract = "Aggregation induced emission (AIE) materials are in the spotlight of current materials development due to their unique properties and potential applications in light-emitting devices, bio-imaging and sensors. In this work we synthesised and thoroughly studied a novel luminogen based on bis(4-((9H-fluoren-9-ylidene)methyl)phenyl)thiophene (BFMPT) showing polymorph-dependent AIE. BFMPT crystallises in two polymorphs of different crystal shapes and colours, however both of them are highly-luminescent with the same photoluminescence (PL) quantum yield of 40%. Polymorph I can undergo irreversible phase transition to polymorph II. Deep quantum chemical study of BFMPT revealed that inter- and intramolecular interactions in both polymorphs are very similar and the main contributor to the optical difference between the polymorphs is a variation of BFMPT conformation. The thermal stress was demonstrated to negligibly affect the PL efficiency of BFMPT crystals. Due to high intrinsic torsional freedom and high solid-state PL efficiency, BFMPT could serve as a basis for the molecular design of high performance AIE materials.",

author = "Kazantsev, {Maxim S.} and Sonina, {Alina A.} and Koskin, {Igor P.} and Sherin, {Peter S.} and Rybalova, {Tatyana V.} and Enrico Benassi and Mostovich, {Evgeny A.}",

note = "Publisher Copyright: {\textcopyright} 2019 the Partner Organisations.",

year = "2019",

month = aug,

day = "1",

doi = "10.1039/c9qm00198k",

language = "English",

volume = "3",

pages = "1545--1554",

journal = "Materials Chemistry Frontiers",

issn = "2052-1537",

publisher = "Royal Society of Chemistry",

number = "8",

}

RIS

TY - JOUR

T1 - Stimuli responsive aggregation-induced emission of bis(4-((9 H-fluoren-9-ylidene)methyl)phenyl)thiophene single crystals

AU - Kazantsev, Maxim S.

AU - Sonina, Alina A.

AU - Koskin, Igor P.

AU - Sherin, Peter S.

AU - Rybalova, Tatyana V.

AU - Benassi, Enrico

AU - Mostovich, Evgeny A.

PY - 2019/8/1

Y1 - 2019/8/1

N2 - Aggregation induced emission (AIE) materials are in the spotlight of current materials development due to their unique properties and potential applications in light-emitting devices, bio-imaging and sensors. In this work we synthesised and thoroughly studied a novel luminogen based on bis(4-((9H-fluoren-9-ylidene)methyl)phenyl)thiophene (BFMPT) showing polymorph-dependent AIE. BFMPT crystallises in two polymorphs of different crystal shapes and colours, however both of them are highly-luminescent with the same photoluminescence (PL) quantum yield of 40%. Polymorph I can undergo irreversible phase transition to polymorph II. Deep quantum chemical study of BFMPT revealed that inter- and intramolecular interactions in both polymorphs are very similar and the main contributor to the optical difference between the polymorphs is a variation of BFMPT conformation. The thermal stress was demonstrated to negligibly affect the PL efficiency of BFMPT crystals. Due to high intrinsic torsional freedom and high solid-state PL efficiency, BFMPT could serve as a basis for the molecular design of high performance AIE materials.

AB - Aggregation induced emission (AIE) materials are in the spotlight of current materials development due to their unique properties and potential applications in light-emitting devices, bio-imaging and sensors. In this work we synthesised and thoroughly studied a novel luminogen based on bis(4-((9H-fluoren-9-ylidene)methyl)phenyl)thiophene (BFMPT) showing polymorph-dependent AIE. BFMPT crystallises in two polymorphs of different crystal shapes and colours, however both of them are highly-luminescent with the same photoluminescence (PL) quantum yield of 40%. Polymorph I can undergo irreversible phase transition to polymorph II. Deep quantum chemical study of BFMPT revealed that inter- and intramolecular interactions in both polymorphs are very similar and the main contributor to the optical difference between the polymorphs is a variation of BFMPT conformation. The thermal stress was demonstrated to negligibly affect the PL efficiency of BFMPT crystals. Due to high intrinsic torsional freedom and high solid-state PL efficiency, BFMPT could serve as a basis for the molecular design of high performance AIE materials.

UR - http://www.scopus.com/inward/record.url?scp=85069685379&partnerID=8YFLogxK

U2 - 10.1039/c9qm00198k

DO - 10.1039/c9qm00198k

M3 - Article

AN - SCOPUS:85069685379

VL - 3

SP - 1545

EP - 1554

JO - Materials Chemistry Frontiers

JF - Materials Chemistry Frontiers

SN - 2052-1537

IS - 8

ER -

ID: 21045831