NDLI: Carbon Nanotube-based Nanohybrid Materials as Counter Electrode for Highly Efficient Dye-sensitized Solar Cells

Content Provider	Semantic Scholar
Author	Kim, Jang-Hee Sim, Eunju Dao, Van-Duong Choi, Ho-Suk
Copyright Year	2016
Abstract	In this study, we present an excellent approach for easily and uniformly immobilizing Pt, Au and bimetallic PtAu nanoparticles (NPs) on a multi-walled carbon nanotube (MWNT)-coated layer through dry plasma reduction. The NPs are sta- bly and uniformly immobilized on the surface of MWNTs and the nanohybrid materials are applied to counter electrode (CE) of dye-sensitized solar cells (DSCs). The electrochemical properties of CEs are examined through cyclic voltammogram, electrochemical impedance spectroscopy, and Tafel measurements. As a result, both electrochemical catalytic activity and electrical conductivity are highest for PtAu/MWNT electrode. The DSC employing PtAu/MWNT CE exhibits power conversion efficiency of 7.9%. The efficiency is better than those of devices with MWNT (2.6%), AuNP/MWNT (2.7%) and PtNP/MWNT (7.5%) CEs.
Starting Page	262
Ending Page	267
Page Count	6
File Format	PDF HTM / HTML
DOI	10.9713/kcer.2016.54.2.262
Volume Number	54
Alternate Webpage(s)	https://www.cheric.org/PDF/HHKH/HK54/HK54-2-0262.pdf
Alternate Webpage(s)	https://doi.org/10.9713/kcer.2016.54.2.262
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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