Abstract
We investigated the field emission of graphdiyne-C60 nanocomposite by using first principle calculation. The results show that graphdiyne obtains good electrical performances such as high level of emission currents. The construction with C60 cluster and graphdiyne can take full advantages of the curvature effect and the tip effect of C60 cluster which induces local charge improvement. It shows that the C60 cluster can strengthen the field emission of graphdiyne-C60 nanocomposite. It implies that the graphdiyne-C60 nanofabrication could have a potential application for field emission electron sources in the future.
Graphical abstract
A novel graphdiyne-C60 nanocomposite is proposed for field emission electron sources. We investigated field emission mechanism of graphdiyne-C60 nanocomposite. We detected that graphdiyne has a high level of emission currents with a low external electric field. We detect the curvature effect and the tip effect of C60 cluster that induce local charge enhancement. It implies the graphdiyne-C60 nanofabrication maybe a candidate of field emission electron sources.
Data availability
The raw/processed data required to reproduce these findings cannot be shared at this time as the data also form part of an ongoing study.
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Acknowledgments
The authors would like to acknowledge the support of Six talent peaks project in Jiangsu Province(JXQC-006), the support of A Project Funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions, and the High-Performance Computing Platform of Jiangsu University during the course of this work.
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Hu, Y., Gao, S., Zhang, Z. et al. Electrical performance prediction of graphdiyne-C60 nanocomposite. MRS Communications 12, 729–733 (2022). https://doi.org/10.1557/s43579-022-00217-1
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DOI: https://doi.org/10.1557/s43579-022-00217-1