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Efficient dye-sensitized solar cells based on cosensitized metal free organic dyes with complementary absorption spectra


Reference:

Sharma, G. D., Prakash Singh, S., Nagarjuna, P., Mikroyannidis, J. A., Ball, R. J. and Kurchania, R., 2013. Efficient dye-sensitized solar cells based on cosensitized metal free organic dyes with complementary absorption spectra. Journal of Renewable and Sustainable Energy, 5 (4), 043107.

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Official URL:

http://dx.doi.org/10.1063/1.4811797

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Abstract

Dye sensitized solar cells (DSSCs) were fabricated using two metal-free organic dyes, TA-St-CA and D, with complementary absorption bands in the visible and near infrared regions. The power conversion efficiency (PCE) of the cosensitized DSSC (6.26%) was improved when compared to DSSCs based on individual dyes TA-St-CA (4.98%) or D (4.22%). The PCE was further enhanced up to 7.19% when deoxycholic acid (DCA) was added to the mixed dye solution as a coadsorbant. The enhancement of PCE observed in the cosensitized DSSC by addition of DCA was attributed to both suppression of dye aggregation and prevention of the backward electron transfer from the conduction band of TiO2.

Details

Item Type Articles
CreatorsSharma, G. D., Prakash Singh, S., Nagarjuna, P., Mikroyannidis, J. A., Ball, R. J. and Kurchania, R.
DOI10.1063/1.4811797
Related URLs
URLURL Type
http://www.scopus.com/inward/record.url?scp=84884175101&partnerID=8YFLogxKUNSPECIFIED
DepartmentsFaculty of Engineering & Design > Architecture & Civil Engineering
Research CentresBRE Centre in Innovative Construction Materials
Materials Research Centre
RefereedYes
StatusPublished
ID Code37132

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