NDLI: Synthesis and applications of novel acceptor e donor e acceptor organic dyes with dithienopyrrole-and fl uorene-cores for dye-sensitized solar cells

Content Provider	Semantic Scholar
Author	Sahu, Duryodhan Padhy, Harihara Patra, Dhananjaya Yin, Jen-Fu Hsu, Ying-Chan Jiann-T Lu, Kuang-Lieh Wei, Kung-Hwa Lin, Hong-Cheu
Abstract	Four novel symmetrical organic dyes (S1eS4) configured with acceptoredonoreacceptor (AeDeA) structures containing electron donating fluorene (S1 and S2) and N-alkyl dithieno[3,2-b:20 ,30-d]pyrrole (DTP) (S3 and S4) cores terminated with two anchoring cyanoacrylic acids (as electron acceptors) were synthesized and applied to dye-sensitized solar cells (DSSCs). The DSSC device based on S2 dye showed the best photovoltaic performance among S1eS4 dyes: a maximum monochromatic incident photon-tocurrent conversion efficiency (IPCE) of 76%, a short circuit current (JSC) of 12.27 mA/cm 2, an open circuit voltage (VOC) of 0.61 V, a fill factor (FF) of 0.63, and an overall power conversion efficiency (h) of 4.73%. Besides, the utilization of chenodoxycholic acid (CDCA) as a co-adsorbent in the DSSC device based on S3 dye showed a significant improvement in its h value (from 3.70% to 4.31%), which is attributed to the suppression of dye aggregation on TiO2 surface and thus to increase the JSC value eventually. 2010 Elsevier Ltd. All rights reserved.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ir.nctu.edu.tw/bitstream/11536/25889/1/000286499000004.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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