Please use this identifier to cite or link to this item: https://idr.l1.nitk.ac.in/jspui/handle/123456789/12209
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dc.contributor.authorBabu, D.D.
dc.contributor.authorGachumale, S.R.
dc.contributor.authorAnandan, S.
dc.contributor.authorAdhikari, A.V.
dc.date.accessioned2020-03-31T08:38:48Z-
dc.date.available2020-03-31T08:38:48Z-
dc.date.issued2015
dc.identifier.citationDyes and Pigments, 2015, Vol.112, , pp.183-191en_US
dc.identifier.urihttp://idr.nitk.ac.in/jspui/handle/123456789/12209-
dc.description.abstractThree new Donor-?-Acceptor type dyes D1-3 carrying 3-(1-hexyl-1H-indol-3-yl)-2-(thiophen-2-yl)acrylonitrile as backbone with three different acceptor units were designed and synthesized as promising sensitizers for solar cell application. The new dyes were characterized using various spectral and elemental analyses. Their optical and electrochemical properties were investigated using spectrophotometry and cyclic voltammetry respectively, while their photovoltaic performance was evaluated by a device fabrication study. The devices were subjected to electrochemical impedance spectroscopy to gain an insight into the interfacial charge transfer and recombination process while in use. Further, density functional theory study was carried out to investigate their Frontier Molecular Orbital energy states. The study reveals that the dye carrying 4-aminobenzoic acid as an acceptor showed the highest photovoltaic efficiency among the three dyes. This can be attributed to the longer electron lifetime and lower recombination rates. Additionally, a Single crystal X-ray diffraction study confirmed the structure of a key intermediate. 2014 Elsevier Ltd. All rights reserved.en_US
dc.titleNew D-?-A type indole based chromogens for DSSC: Design, synthesis and performance studiesen_US
dc.typeArticleen_US
Appears in Collections:1. Journal Articles

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