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  • Royal Society of Chemistry (RSC)  (2)
  • Tian, Yu  (2)
  • Yang, Jie  (2)
  • 2020-2024  (2)
Materialart
Verlag/Herausgeber
  • Royal Society of Chemistry (RSC)  (2)
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Erscheinungszeitraum
  • 2020-2024  (2)
Jahr
  • 1
    Online-Ressource
    Online-Ressource
    Organic microporous crystals driven by pure C–H⋯π interactions with vapor-induced crystal-to-crystal transformations
    Royal Society of Chemistry (RSC) ; 2022
    In:  Materials Horizons Vol. 9, No. 2 ( 2022), p. 731-739
    Details
    In: Materials Horizons, Royal Society of Chemistry (RSC), Vol. 9, No. 2 ( 2022), p. 731-739
    Kurzfassung: Organic porous crystals constructed by only a single kind of weak molecular interaction are invaluable to understanding the nature of the formation of organic porous materials and developing new types of porous materials. Here, we designed and synthesized two pure organic compounds of PBO and PBS through integrating planar dibenzothiophene/dibenzofuran and two phenothiazine groups together with twisted C–N bonds, which form organic microporous crystals with very good stability against strong acids and bases via pure C–H⋯π interactions. Accordingly, the effective absorption of toluene has been successfully realized with an adsorbing capacity of 6.20 mmol g −1 , regardless of the interference of water vapor. Excitingly, these microporous materials exhibit interesting crystal-to-crystal transformation (CCT) properties accompanied by changed pore size on being exposed to different organic vapors. Therefore, the desorption process of toluene could be completed through a simple exposure to dichloromethane (DCM) vapor and the second transformation of the crystal occurred in this process.
    Materialart: Online-Ressource
    ISSN: 2051-6347 , 2051-6355
    URL: Article
    DOI: 10.1039/D1MH01360B
    Sprache: Englisch
    Verlag: Royal Society of Chemistry (RSC)
    Publikationsdatum: 2022
    ZDB Id: 2744250-0
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
  • 2
    Online-Ressource
    Online-Ressource
    The same molecule but a different molecular conformation results in a different room temperature phosphorescence in phenothiazine derivatives
    Royal Society of Chemistry (RSC) ; 2021
    In:  Journal of Materials Chemistry C Vol. 9, No. 42 ( 2021), p. 15375-15380
    Details
    In: Journal of Materials Chemistry C, Royal Society of Chemistry (RSC), Vol. 9, No. 42 ( 2021), p. 15375-15380
    Kurzfassung: Room temperature phosphorescence (RTP) luminogens have attracted much attention because of their wide range of applications in chemical sensors, bio-imaging, anti-counterfeiting technology, etc. However, these luminogens are still very scarce, especially those with a stimulus response effect, partly due to the unclear mechanism and the lack of design guidance. Here, in phenothiazine (PTZ) derivatives with different numbers of chlorine atoms, exciting conformation-dependent RTP emission was observed, that is, the luminogens with quasi-axial (ax) conformation showed an obvious RTP effect, while the quasi-equatorial (eq) ones did not. In particular, both conformers (ax and eq) were obtained for PTZ-3Cl in polymorphisms, demonstrating their mutual transformation under external stimulus with a unique stimulus-responsive RTP effect.
    Materialart: Online-Ressource
    ISSN: 2050-7526 , 2050-7534
    URL: Article
    DOI: 10.1039/D1TC03460J
    Sprache: Englisch
    Verlag: Royal Society of Chemistry (RSC)
    Publikationsdatum: 2021
    ZDB Id: 2702245-6
    Standort Signatur Einschränkungen Verfügbarkeit
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    Online-Ressource
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