Please use this identifier to cite or link to this item: https://idr.l2.nitk.ac.in/jspui/handle/123456789/15826
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dc.contributor.authorKeremane K.S.
dc.contributor.authorRao R.
dc.contributor.authorAdhikari A.V.
dc.date.accessioned2021-05-05T10:28:09Z-
dc.date.available2021-05-05T10:28:09Z-
dc.date.issued2021
dc.identifier.citationPhotochemistry and Photobiology Vol. 97 , 2 , p. 289 - 300en_US
dc.identifier.urihttps://doi.org/10.1111/php.13337
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/15826-
dc.description.abstractDeveloping effective and low-cost organic hole-transporting materials (HTMs) is crucial for the construction of high-performance perovskite solar cells (PSCs) and to promote their production in commercial ventures. In this context, we herein report the molecular design, synthesis and characterization of two novel D-A-D-A-D architectured 9-(2-ethylhexyl)-9H-carbazoles, connecting the mono/dimethoxyphenyl substituted cyanovinylene sidearms symmetrically at 3rd and 6th positions of the carbazole heterocycle (CZ1-2), as potential hole-transporting materials (HTMs). The current work highlights their structural, photophysical, thermal, electrochemical and theoretical investigations, including their structure-property correlation studies. Evidently, the optical studies showcased their excellent fluorescence ability due to their push–pull natured structure with extended π-conjugation. Further, in-depth solvatochromic studies demonstrated their intramolecular charge-transfer (ICT)-dominated optoelectronic behavior, supported by various correlation studies. Also, the optical results revealed that CZ1 and CZ2 display λabsand λemi in the order of 410–430 nm and 530–560 nm, respectively, with a bandgap in the range of 2.5–2.6 eV. Finally, their quantum chemical simulations have provided an insight into the predictions of their structural, molecular, electronic and optical parameters. Conclusively, the study furnishes a deeper understanding of the intricacies involved in the structural modification of carbazole-based HTMs for achieving better performance. © 2020 American Society for Photobiologyen_US
dc.titleSimple 3,6-disubstituted Carbazoles as Potential Hole Transport Materials: Photophysical, Electrochemical and Theoretical Studiesen_US
dc.typeArticleen_US
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