Ternary Ni0.5Zn0.5Fe2O4/carbon nanocomposite as counter electrode for natural dye-sensitized solar cells: Electro-photovoltaic characterizations

2021 ◽  
pp. 113665
Author(s):  
Akeem Adeyemi Oladipo ◽  
Mustafa Gazi
Keyword(s):  
Solar Cells ◽  
Counter Electrode ◽  
Dye Sensitized Solar Cells ◽  
Natural Dye ◽  
Dye Sensitized ◽  
Sensitized Solar Cells ◽  
Carbon Nanocomposite

A transparent and Pt-free all-carbon nanocomposite counter electrode catalyst for efficient dye sensitized solar cells

Solar Energy ◽  
2019 ◽  
Vol 193 ◽  
pp. 568-575 ◽  
Author(s):  
M. Gurulakshmi ◽  
A. Meenakshamma ◽  
K. Susmitha ◽  
N. Charanadhar ◽  
V.V.S.S. Srikanth ◽  
...  
Keyword(s):  
Solar Cells ◽  
Counter Electrode ◽  
Dye Sensitized Solar Cells ◽  
Dye Sensitized ◽  
Sensitized Solar Cells ◽  
Carbon Nanocomposite

Lotus Leaf Derived Natural Dye as Sensitizer and Biochar as Counter Electrode for Dye-Sensitized Solar Cells

2020 ◽  
Vol 993 ◽  
pp. 884-892
Author(s):  
Ping Huang ◽  
Shun Jian Xu ◽  
Meng Zhang ◽  
Wei Zhong ◽  
Zong Hu Xiao ◽  
...  
Keyword(s):  
Solar Cells ◽  
Counter Electrode ◽  
High Efficiency ◽  
Low Cost ◽  
Dye Sensitized Solar Cells ◽  
Catalytic Performance ◽  
Natural Dye ◽  
Lotus Leaf ◽  
Dye Sensitized ◽  
Sensitized Solar Cells

Natural dyes were obtained from lotus leaf by ethanol extraction, and biochar was prepared by one-step pyrolysis in this study. The UV-Vis spectrum of lotus leaf derived natural dye indicated that it had good light absorption performance. The energy conversion efficiency (PCE) of dye-sensitized solar cell (DSSC) with the natural dye as sensitizer and platinum as counter electrode was 0.36%, and the filling factor was as high as 0.66. Owing to its relatively rich pore structures and glassy carbon materials, the biochar showed its good catalytic performance, which made the PCE of DSSC reach 1.42% when the biochar as counter electrode and N719 as sensitizer. Meanwhile, the PCE achieved 0.15% when lotus leaf derived natural dye as sensitizer and biochar as counter electrode simultaneously. This study has realized the full utilization of biomass in dye-sensitized solar cells, providing the possibility for preparation of low-cost and high-efficiency DSSC.

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