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    Pattern-Potential-Guided Growth of Textured Macromolecular Films on Graphene/High-Index Copper

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    Type
    Article
    Authors
    Zhou, Dikui
    Zhang, Zhihong
    Zhu, Yihan
    Xiao, Yiqun
    Ding, Qingqing
    Ruan, Luoyuan
    Sun, Yiran
    Zhang, Zhibin
    Zhu, Chongzhi
    Chen, Zongping
    Wu, Yongjun
    Huang, Yuhui
    Sheng, Guan cc
    Li, Jixue
    Yu, Dapeng
    Wang, Enge
    Ren, Zhaohui cc
    Lu, Xinhui
    Liu, Kaihui
    Han, Gaorong
    KAUST Department
    Chemical Engineering Program
    Physical Science and Engineering (PSE) Division
    Date
    2021-06-06
    Online Publication Date
    2021-06-06
    Print Publication Date
    2021-07
    Embargo End Date
    2022-06-06
    Submitted Date
    2020-10-08
    Permanent link to this record
    http://hdl.handle.net/10754/669449
    
    Metadata
    Show full item record
    Abstract
    Macromolecular films are crucial functional materials widely used in the fields of mechanics, electronics, optoelectronics, and biology, due to their superior properties of chemical stability, small density, high flexibility, and solution-processing ability. Their electronic and mechanical properties, however, are typically much lower than those of crystalline materials, as the macromolecular films have no long-range structural ordering. The state-of-the-art for producing highly ordered macromolecular films is still facing a great challenge due to the complex interactions between adjacent macromolecules. Here, the growth of textured macromolecular films on a designed graphene/high-index copper (Cu) surface is demonstrated. This successful growth is driven by a patterned potential that originates from the different amounts of charge transfer between the graphene and Cu surfaces with, alternately, terraces and step edges. The textured films exhibit a remarkable improvement in remnant ferroelectric polarization and fracture strength. It is also demonstrated that this growth mechanism is universal for different macromolecules. As meter-scale graphene/high-index Cu substrates have recently become available, the results open a new regime for the production and applications of highly ordered macromolecular films with obvious merits of high production and low cost.
    Citation
    Zhou, D., Zhang, Z., Zhu, Y., Xiao, Y., Ding, Q., Ruan, L., … Han, G. (2021). Pattern-Potential-Guided Growth of Textured Macromolecular Films on Graphene/High-Index Copper. Advanced Materials, 2006836. doi:10.1002/adma.202006836
    Sponsors
    The authors acknowledge the financial support from the National Natural Science Foundation of China (Grant Nos. U1909212, U1809217, 21771161, and 51991342), the Natural Science Foundation of Zhejiang Province (LR21E020004), the Key R&D Program of Zhejiang Province (2020C01124), the Zhejiang Provincial Natural Science Foundation of China (Grant No. LR18B030003), the financial support from Research Grant Council of Hong Kong (General Research Fund No. 24306318), the Key R&D Program of Guangdong Province (2020B010189001 and 2019B010931001), Bureau of Industry and Information Technology of Shenzhen (Graphene platform 201901161512), and the Thousand Talents Program for Distinguished Young Scholars.
    Publisher
    Wiley
    Journal
    Advanced Materials
    DOI
    10.1002/adma.202006836
    Additional Links
    https://onlinelibrary.wiley.com/doi/10.1002/adma.202006836
    ae974a485f413a2113503eed53cd6c53
    10.1002/adma.202006836
    Scopus Count
    Collections
    Articles; Physical Science and Engineering (PSE) Division; Chemical Engineering Program

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