A bright entry to improve the performance of DSSCs with the influence of novel optoelectronic acridinedione based macromolecules in I−/I3− electrolytes

Govindasami Periyasami; Raju Rajesh; Natarajan Arumugam; Raghavachary Raghunathan; Shanmugam Ganesan; Pichai Maruthamuthu

doi:10.1039/C3TA12221B

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A bright entry to improve the performance of DSSCs with the influence of novel optoelectronic acridinedione based macromolecules in I⁻/I₃⁻ electrolytes†

Govindasami Periyasami,‡*^a Raju Rajesh,^a Natarajan Arumugam,^a Raghavachary Raghunathan,*^a Shanmugam Ganesan^b and Pichai Maruthamuthu^b

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* Corresponding authors

^a Department of Organic Chemistry, School of Chemical Sciences, University of Madras, Guindy Maraimalai Campus, Chennai, Tamil Nadu, India
E-mail: samigrxn@gmail.com; ragharaghunathan@yahoo.com
Tel: +351 218 419 684/756

^b Department of Energy, University of Madras, Guindy Maraimalai Campus, Chennai, Tamil Nadu, India

Abstract

The performance of Ru(II) dye-sensitized nanocrystalline TiO₂ solar cells (DSSCs) is described with newly synthesized multivalent macromolecules, containing excellent optoelectronic acridinedione linked with 1,2,3-triazole units, via a novel and convenient Cu(I)-catalyzed alkyne and azide 1,3-dipolar cycloaddition (CuAAC) reaction. These unique macromolecules have proved to be highly suitable for utilizing additives in I⁻/I₃⁻ redox couple electrolytes. Among the various substitutions, the maximum photo-current conversion efficiency of about 6.4% with a V_oc of 810 mV was obtained with electron rich substitutions in the nitrogen heteroatom.

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Article information

DOI: https://doi.org/10.1039/C3TA12221B
Article type: Paper
Submitted: 10 Jun 2013
Accepted: 04 Oct 2013
First published: 08 Oct 2013

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J. Mater. Chem. A, 2013,1, 14666-14674

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A bright entry to improve the performance of DSSCs with the influence of novel optoelectronic acridinedione based macromolecules in I⁻/I₃⁻ electrolytes

G. Periyasami, R. Rajesh, N. Arumugam, R. Raghunathan, S. Ganesan and P. Maruthamuthu, J. Mater. Chem. A, 2013, 1, 14666 DOI: 10.1039/C3TA12221B

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Journal of Materials Chemistry A