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Retraction: Novel ethynyl-pyrene substituted phenothiazine based metal free organic dyes in DSSC with 12% conversion efficiency
Bhanumathi
Nagarajan
,
Suman
Kushwaha
,
Ramachandran
Elumalai
,
Sudip
Mandal
,
Kothandaraman
Ramanujam
* and
Dhamodharan
Raghavachari
*
Department of Chemistry, Indian Institute of Technology Madras, Chennai 600 036, India. E-mail: rkraman@iitm.ac.in; damo@iitm.ac.in
First published on 21st February 2024
Abstract
Retraction of ‘Novel ethynyl-pyrene substituted phenothiazine based metal free organic dyes in DSSC with 12% conversion efficiency’ by Bhanumathi Nagarajan et al., J. Mater. Chem. A, 2017, 5, 10289–10300, https://doi.org/10.1039/C7TA01744H.
The Royal Society of Chemistry hereby wholly retracts this Journal of Materials Chemistry A article due to concerns with the reproducibility and reliability of the data.
There is strong similarity between the absorption data for dyes 1–4 in Fig. 2 and the IPCE data for dyes 1–4 in Fig. 6.
An independent expert was consulted who concluded that the authors had overestimated the Jsc value, and therefore the reported power conversion efficiency is also unlikely to be correct.
The authors are not able to reproduce their results or provide their original data.
Given the significance of these concerns, the findings presented in this paper are no longer reliable.
The authors were informed about the retraction of the article. Dhamodharan Raghavachari, Kothandaraman Ramanujam, Suman Kushwaha, Sudip Mandal, Bhanumathi Nagarajan and Ramachandran Elumalai have not agreed with the decision.
Signed: Michaela Muehlberg, Executive Editor, Journal of Materials Chemistry A
Date: 31st January 2024
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