N-doped mesocarbon microbeads-carbon nanotubes as high performance counter 
electrodes of a dye-sensitized solar cell

Zhang, Xiaoying; Yue, Yanhua; Li, Weihua; Cui, Guanglei; Wang, Jinquan

doi:10.1016/j.jtice.2018.08.024

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N-doped mesocarbon microbeads-carbon nanotubes as high performance counter electrodes of a dye-sensitized solar cell

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Yue, Yanhua
Physical Chemistry, Fritz Haber Institute, Max Planck Society;
Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences;

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Citation

Zhang, X., Yue, Y., Li, W., Cui, G., & Wang, J. (2018). N-doped mesocarbon microbeads-carbon nanotubes as high performance counter electrodes of a dye-sensitized solar cell. Journal of the Taiwan Institute of Chemical Engineers, 93, 485-491. doi:10.1016/j.jtice.2018.08.024.

Cite as: https://hdl.handle.net/21.11116/0000-0002-6729-D

Abstract

N-doped mesocarbon microbeads-carbonnanotubes (N-MCMB-CNT) hybridare designed and directly explored as counter electrodes (CEs) for dye-sensitized solar cells (DSCs). In this hybrid, the CNTs are anchored onto the graphene-like nanoplatelets of N-MCMB-CNT, and weave closely with each other to form a continuous network. This CNTs network bridges the gap between graphene-like nanoplatelets and acts as a wire for electron transfer between N-MCMB and CNTs. Furthermore, a high amount of pyridinic N and graphitic N atoms is doped to enhance the reactivity and electrocatalytic performance of N-MCMB-CNT. Integrating superior conductivity and electrocatalytic activity, the device with N-MCMB-CNT CE yield overall conversion efficiency of 6.08%, which is compared to that of the device with Pt CE (6.37%).