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Issue 12, 2018
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Facile synthesis of nitrogen-doped graphene frameworks for enhanced performance of hole transport material-free perovskite solar cells

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Abstract

Nitrogen-doped graphene frameworks (N-GFs) with a large specific surface area (1149 m2 gāˆ’1) are successfully synthesized from fumaric acid in the presence of sodium carbonate with urea added as nitrogen precursor through a facile one-step fast pyrolysis. The N-GFs can be utilized as an excellent counter electrode in hole transport material (HTM)-free perovskite solar cells (PSCs), achieving the power conversion efficiency of 10.32%, higher than the PSCs using undoped graphene frameworks. The enhanced performance of N-GF-based PSCs is probably due to the superiority of N-GFs in enabling increased charge extraction efficiency and transportation to substantially reduce charge recombination losses. This work indicates the great potential of N-GFs to replace expensive organic HTM and noble-metal electrodes in developing low-cost and efficient HTM-free PSCs.

Graphical abstract: Facile synthesis of nitrogen-doped graphene frameworks for enhanced performance of hole transport material-free perovskite solar cells

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Publication details

The article was received on 06 Jan 2018, accepted on 26 Feb 2018 and first published on 27 Feb 2018


Article type: Paper
DOI: 10.1039/C8TC00086G
Citation: J. Mater. Chem. C, 2018,6, 3097-3103
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    Facile synthesis of nitrogen-doped graphene frameworks for enhanced performance of hole transport material-free perovskite solar cells

    Y. Zhu, S. Jia, J. Zheng, Y. Lin, Y. Wu and J. Wang, J. Mater. Chem. C, 2018, 6, 3097
    DOI: 10.1039/C8TC00086G

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