Please use this identifier to cite or link to this item: http://idr.nitk.ac.in/jspui/handle/123456789/11901
Title: Highly efficient carbazole based co-sensitizers carrying electron deficient barbituric acid for NCSU-10 sensitized DSSCs
Authors: Naik, P.
Keremane, K.S.
Elmorsy, M.R.
Su, R.
El-Shafei, A.
Adhikari, A.V.
Issue Date: 2018
Citation: Solar Energy, 2018, Vol.169, , pp.386-391
Abstract: Herein, we report a comparative study of four interesting metal-free carbazole based organic dyes with different structural configurations, carrying electron deficient barbituric acid (C1-4), as effective co-sensitizers in DSSCs sensitized with NCSU-10 dye. The new entities comprise different structural architectures, viz. D-A (C1), D-?-A (C2), D-D-?-A (C3) and D-A-?-A (C4) configurations with same accepting/anchoring moiety. They consist of carbazole as donor scaffold linked to barbituric acid as an acceptor/anchoring unit via different ?-spacers. This paper describes the study of all the four co-sensitizers with regard to their structural, photophysical, electrochemical, theoretical and photovoltaic investigations. Also, it includes their structure-performance correlation study in detail. The devices co-sensitized with C1-4 displayed the superior photovoltaic performance when compared to NCSU-10 alone. The results ameliorate the role of efficient co-sensitizers to yield DSSC with improved performance. 2018 Elsevier Ltd
URI: http://idr.nitk.ac.in/jspui/handle/123456789/11901
Appears in Collections:1. Journal Articles

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