Engineering and Technology

Large-area transfer of two-dimensional materials free of cracks, contamination and wrinkles via controllable conformal contact

Y. Zhao, Y. Song, et al.

Discover a revolutionary technique that enables the transfer of two-dimensional materials onto any surface without the hassles of cracks, contamination, or wrinkles. Achieving ultraclean surfaces and incredibly high carrier mobilities, this cutting-edge research was conducted by a team of experts including Yixuan Zhao, Yuqing Song, Zhaoning Hu, and many more.

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Abstract

The transfer of two-dimensional (2D) materials onto arbitrary substrates without cracks, contamination, or wrinkles is crucial for large-area applications. This paper demonstrates a technique that uses oxhydryl groups-containing volatile molecules or low-glass-transition-temperature polymers to achieve controllable conformal contact during transfer, resulting in ultraclean surfaces and high carrier mobilities (up to 1,420,000 cm² V⁻¹ s⁻¹ at 4 K).

Publisher

Nature Communications

Published On

Jul 29, 2022

Authors

Yixuan Zhao, Yuqing Song, Zhaoning Hu, Wendong Wang, Zhenghua Chang, Yan Zhang, Qi Lu, Haotian Wu, Junhao Liao, Wentao Zou, Xin Gao, Kaicheng Jia, La Zhuo, Jingyi Hu, Qin Xie, Rui Zhang, Xiaorui Wang, Luzhao Sun, Fangfang Li, Liming Zheng, Ming Wang, Jiawei Yang, Boyang Mao, Tiantian Fang, Fuyi Wang, Haotian Zhong, Wenlin Liu, Rui Yan, Jianbo Yin, Yanfeng Zhang, Yujie Wei, Hailin Peng, Li Lin, Zhongfan Liu

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