NDLI: Effect of different compositions of ethylene carbonate and propylene carbonate containing iodide/triiodide redox electrolyte on the photovoltaic performance of DSSC

Content Provider	Springer Nature Link
Author	Subramania, A. Vijayakumar, E. Sivasankar, N. Sathiya Priya, A. R. Kim, Kang Jin
Copyright Year	2013
Abstract	The effect of different compositions (in weight percent) of ethylene carbonate (EC) and propylene carbonate (PC) containing iodide/triiodide redox electrolyte on the photoelectrochemical performance of N719-sensitized nanocrystalline TiO$_{2}$ solar cell was studied. The cells consisted of 0.6 M 1-hexyl-2,3-dimethylimidazolium iodide, 0.1 M LiI, 0.05 M I$_{2}$ and 0.5 M 4-tert-butylpyridine in different compositions such as 1:1, 1:2, and 2:1 wt% of EC and PC. In 1:1 wt% of EC and PC containing redox electrolyte, short circuit photocurrent density (J $_{sc}$) increased and open circuit voltage (V $_{oc}$) decreased. But in 1:2 and 2:1 wt% of EC and PC containing redox electrolytes, V $_{oc}$ increased and J $_{sc}$ decreased but fill factor remained relatively constant. Dye-sensitized solar cells (DSSCs) prepared using these electrolytes give a short circuit photocurrent densities of 16.86, 12.71, and 12.09 mA/cm$^{2}$; an open circuit voltages of 0.73, 0.78, and 0.79 V; fill factors of 0.63, 0.64, and 0.64; and an overall conversion efficiencies of 7.76, 6.34, and 6.13 % at an incident light of 100 mWcm$^{−2}$ for 1:1, 2:1, and 1:2 wt% of EC/PC containing redox electrolytes, respectively. The incident photon-to-current conversion efficiency was higher in the case of 1:1 wt% of EC and PC containing redox electrolyte than 1:2 and 2:1 wt% of EC and PC containing redox electrolyte. It revealed that 1:1 wt% of EC and PC containing iodide/triiodide redox electrolyte is an effective electrolyte system for the fabrication of long-term stable DSSC.
Starting Page	1649
Ending Page	1653
Page Count	5
File Format	PDF
ISSN	09477047
Journal	Ionics
Volume Number	19
Issue Number	11
e-ISSN	18620760
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2013-04-13
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dye-sensitized solar cell Redox electrolyte Titanium dioxide Photovoltaic performance Electrochemistry Renewable and Green Energy Optical and Electronic Materials Condensed Matter Physics Energy Storage
Content Type	Text
Resource Type	Article
Subject	Physics and Astronomy Engineering Materials Science Chemical Engineering

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