@article{Chen2023, 
author = {Heng Chen and Xiucai Sun and Xiaofeng Song and Buhang Chen and Ziteng Ma and Wanjian Yin and Luzhao Sun and Zhongfan Liu},
title = {Fast scanning growth of high-quality graphene films on Cu foils fueled by dimeric carbon precursor},
year = {2023},
journal = {Nano Research},
volume = {16},
number = {10},
pages = {12246-12252},
keywords = {graphene film, chemical vapor deposition, fast growth, carbon dimer, roll-to-roll production},
url = {https://www.sciopen.com/article/10.1007/s12274-023-5814-8},
doi = {10.1007/s12274-023-5814-8},
abstract = {Carbon source precursor is a critical factor governing chemical vapor deposition growth of graphene films. Methane (CH4), has been the most commonly used precursor in the last decade, but it presents challenges in terms of decomposition efficiency and growth rate. Here we thoroughly evaluated acetylene (C2H2), a precursor that is probably for providing carbon dimer (C2) species, for fast growth of large-scale graphene films. We find that the graphene growth behaviors fueled by C2H2 exhibit unconventional localized growth behavior with significant advantages in terms of high growth rate, which mainly ascribe to the as-decomposed C2 species. Therefore, a C2-fueled scanning growth strategy is proposed, and the fast scanning growth rate of 40 cm/min was experimentally demonstrated. This growth strategy is compatible with the approach of unidirectional growth of single-crystal graphene films, and the as-grown graphene films are of high-quality. This work demonstrates a reliable and promising strategy for the rapid synthesis of high-quality graphene film and may pave the avenue to cost-effective mass production of graphene materials in the roll-to-roll system.}
}