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Influence of π-bridge in N-fluorenyl indoline sensitizers on the photovoltaic performance of dye-sensitized solar cells

Paper ID Volume ID Publish Year Pages File Format Full-Text
25961 43925 2016 8 PDF Available
Title
Influence of π-bridge in N-fluorenyl indoline sensitizers on the photovoltaic performance of dye-sensitized solar cells
Abstract

•Four N-fluorenyl indoline sensitizers were synthesized.•The optimal DSSC shows an efficiency of 5.89%.•The incorporation of aryl ring in the π-bridge favors the improvement of JSC.

Four N-fluorenyl indoline sensitizers were designed and synthesized to compare the influence of vinyl bond and aryl ring on the cell efficiency based on the cyanoacrylic acid acceptor. Compared with vinyl bond, the introduction of aryl ring enlarges the conjugation system of the whole molecule and brings out the improvement of the absorption spectra favoring the improvement of JSC. Among three kinds of aryl rings, benzene unit favors the photovoltage due to a reduction of electron recombination while the photocurrent more benefit from thiophene unit. Due to the best JSC, dye with thiophene π-bridge shows the most efficient photoelectricity conversion efficiency and has the maximum η value of 5.89% (VOC = 650 mV, JSC = 13.88 mA cm−2, ff = 0.71) under simulated AM 1.5 G irradiation (100 mW cm−2).

Keywords
Indoline; π-Bridge; Sensitizer; Synthesis; Photovoltaic performance
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Influence of π-bridge in N-fluorenyl indoline sensitizers on the photovoltaic performance of dye-sensitized solar cells
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 326, 15 July 2016, Pages 1–8
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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