A rational design of low cost and flexible carbon composite dye sensitized solar cell
- Authors
- Arbab, Alvira Ayoub; Mengal, Naveed; Memon, Anam Ali; Sun, Kyung Chul; Jeong, Sung Hoon
- Issue Date
- Jun-2020
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Carbon composite; Dye sensitized solar cell; Electrocatalytic activity; Exfoliated graphite microplatelets; TiO2 nanorods
- Citation
- ELECTROCHIMICA ACTA, v.344, pp.1 - 14
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTROCHIMICA ACTA
- Volume
- 344
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2835
- DOI
- 10.1016/j.electacta.2020.136050
- ISSN
- 0013-4686
- Abstract
- Low cost carbon materials gained extensive attention in the field of sustainable energy storage devices. A major challenge in assembly of fluorine doped tin oxide (FTO) glass free dye sensitized solar cell (DSSC) is the heat treatment limitation and transparency of electrodes. In this work, a rational design of a carbon composite dye-sensitized solar cell (CC-DSSC) fabricated with stacking carbon fiber wet-laid web (CFW) is described. The front electrode is prepared by a fibrous thin sheet of carbon fibers deposited with extended Titania nanorods (e-TiO2 nR). Whereas, the counter electrode is prepared by the composite of CF and exfoliated graphite micro platelets (Ex-GMP). The assembled CC-DSSC demonstrated 5.207% efficiency with high fill factor (FF) and open-circuit voltage (VOC). The high VOC of designed CC-DSSC ascribed to the high transmittance (50%), sheet conductivity, and efficient charge generation of e-TiO2 nR/CFW electrode. Moreover, e-TiO2 nR provides high dye absorption and electron mobility suitable for the CFW substrate. Alternatively, high FF of CC-DSSC provides evidence of remarkable electrocatalytic activity and low charge transfer resistance (1.915 Ω) of the Ex-GMP/CFW CE system. Our proposed system of carbon composite DSSC will provide new ways towards the fabrication of sustainable and low-cost energy storage devices.
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