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Review Article Open Access

Symmetrical and unsymmetrical squaraine sensitizers for dye-sensitized solar cells: Present day advances and future challenges


Sultan A. Al-horaibi, S.T. Gaikwad, Anjali S .Rajbhoj*



Department of Chemistry, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, Maharashtra 431001, India

Adv. Mater. Proc., 2018, 3 (4), 274-283

DOI: 10.5185/amp.2018/826

Publication Date (Web):05 April 2018

Copyright © IAAM-VBRI Press



The requirement for energy is ever increasing in the past few years due to the need for the innovation of clean energy and eco-friendly technologies. Symmetric and asymmetric SQ-dyes have received increasing attention and great potential for use as SQ-sensitizers for application in dye sensitized solar cells (DSSC).This review article gives a synopsis of the advancements on SQ-sensitizers in the domain of DSSC and the chance used to enhance their overall energy conversion efficiency. Specifically, the primary factors in charge of the low values of open-circuit voltage (Voc) short-circuit photocurrent (Jsc) and fill factor (FF) are debated in detail. Future orientations in research and expanded absorptions of near-infrared region (NIR) by development organic substances and their applications are suggested from a personal point of view. Copyright © 2018 VBRI Press.


Dye-sensitized solar cell; symmetric and asymmetric squaraine dyes; energy conversion.