NDLI: n nanotube aerogel – Pt nanocomposites toward enhanced energy conversion in dye-sensitized solar cells

Content Provider	Semantic Scholar
Author	Chen, Haijun Ren, Jing He, Hongcai Cao, Yonghai Wang, Ning Guo, Zhanhu
Copyright Year	2016
Abstract	With the lab-made carbon nanotube aerogel (CNA) serving as the counter electrode (CE), dye-sensitized solar cells (DSSCs) operated under solar simulator illumination (100 mW cm , AM 1.5 G) demonstrated an overall power conversion efficiency (h) of 8.35%, higher than the h of 5.95 and 7.39% of DSSCs with a multi-walled carbon nanotube (MWCNT) CE and conventional Pt CE, respectively. With only 3.75 wt% Pt nanoparticles to form an aerogel carbon nanotube composite (CNA-3.75 wt% Pt) CE, the corresponding h was further increased to 9.04%. The enhanced performance by introducing Pt nanoparticles is mainly attributed to the improved electrocatalytic activity, reduced charge-transfer resistance (Rct) at the CE/electrolyte interface, and increased diffusion for the redox couple in the electrolyte. This work provides substantial support for developing lowcost Pt-loaded nanocomposite CEs to further enhance the DSSC performance.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://composites.utk.edu/papers%20in%20pdf/JMCA_CNTs_Pt.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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