An all carbon dye sensitized solar cell: A sustainable and low-cost design for metal free wearable solar cell devices
- Authors
- Arbab, Alvira Ayoub; Ali, Mumtaz; Memon, Anam Ali; Sun, Kyung Chul; Choi, Bum Jin; Jeong, Sung Hoon
- Issue Date
- Jun-2020
- Publisher
- ACADEMIC PRESS INC ELSEVIER SCIENCE
- Keywords
- Carbon; TiO2 nanorods; Graphene; Electrocatalytic activity; Dye sensitized solar cell
- Citation
- JOURNAL OF COLLOID AND INTERFACE SCIENCE, v.569, pp.386 - 401
- Indexed
- SCIE
SCOPUS
- Journal Title
- JOURNAL OF COLLOID AND INTERFACE SCIENCE
- Volume
- 569
- Start Page
- 386
- End Page
- 401
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/2583
- DOI
- 10.1016/j.jcis.2020.02.078
- ISSN
- 0021-9797
- Abstract
- Lightweight carbon electrodes are the new candidates for photovoltaic devices due to their temperature resistivity, ease of fabrication, and skin comfortability. Herein, a sustainable and facile strategy has been proposed for metal free all carbon dye sensitized solar cell (C-DSSC), assembled by stacking carbon front electrode (CFE) and carbon counter electrode (CCE). The CFE demonstrated adequate light transmittance (70-50%) while maintaining efficient photon absorption and charge separation mechanism due to dye coated TiO2 nanorods (P25-R). The graphene dip coated carbon counter electrode (Gr@CCE) possesses remarkable electro catalytic activity towards I-3(-)/I- redox couple with low charge transfer resistance (R-CT = 0.79 Omega). The sustainable design of C-DSSC attained similar to 6 +/- 0.5% efficiency with high photocurrent density of 18.835 mA. cm(-2). The superior performance of C-DSSC is accredited to its improved charge mobility, low internal resistance, and better interfacial electrode contact. The thickness of C-DSSC is <= 3 mm eliminates the need for rigid glass in DSSC.
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