Selective coupling reaction inhibits graphene defects: regulating the orderly precipitation of carbon atoms
Selective coupling reaction inhibits graphene defects: regulating the orderly precipitation of carbon atoms
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选择性偶联反应抑制石墨烯缺陷：调节碳原子有序沉淀
DOI：
10.1007/s13204-019-01124-z
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发表时间：
2019-08
影响因子：
--
通讯作者：
Dunwen Zuo （左敦稳）
中科院分区：
文献类型：
--
作者：
Duosheng Li （李多生）;Wei Zou （邹伟）;Shengli Song （宋胜利）;Yin Ye （叶寅）;Wugui Jiang （江五贵）;Qing H. Qin;Yi Xiao;Zhiguo Ye （叶志国）;Liang Chen （陈亮）;Dunwen Zuo （左敦稳）
如何制备高质量的石墨烯一直是困扰研究人员的难题。本文报道了一种新的制备无D峰石墨烯的方法，该方法制备的石墨烯中碳原子排列有序，可以明显减少石墨烯中的缺陷。采用十二烷基苯磺酸钠（SDBS）溶液对镍箔衬底进行特殊处理，增加石墨烯生长的成核位置，促进SDBS周围碳原子的有序化，从而减少石墨烯的缺陷。该方法包括利用脱氢反应和选择偶联转化碳原子沉淀的形成。SDBS与镍箔界面之间存在明显的相互作用，不仅提高了结构稳定性和导电性，而且促进了DPFG的生长。因此，基于在温度完全控制下发生的进一步脱氢，由于分子重组而形成六环体系。这些六环体系容易诱导成核点，促进石墨烯的生长，使碳原子在六环体系周围规则生长，从而明显减少石墨烯的缺陷。我们的工作为DPFG的设计和制备提供了一种可能的方法，同时也为DPFG在电化学应用中的应用提供了依据。
The problem of preparation high-quality graphene has puzzled researchers in the past years. Here we report a novel method to synthesize D peak-free graphene (DPFG) comprising an ordered array of carbon atoms, which can obviously reduce graphene defects. In our investigations, sodium dodecyl benzene sulfonate (SDBS) solution was applied to specially treat nickel foil substrate, which increased nucleation sites for graphene growth and promoted the ordering of carbon atoms around SDBS so as to reduce the defects of graphene. The methodology involves the transformation of the formation of carbon atoms precipitation using dehydrogenation reaction and select coupling. There is a significant interaction between the SDBS and the nickel foil interface, which not only improves structural stability and electrical conductivity but also accelerates the growth of DPFG. Consequently, a hexacyclic-ring system formed due to molecular recombination, based on what further dehydrogenation occurred under full control by temperature. It was easy for those hexacyclic-ring systems to induce nucleation points and promote graphene growth, which caused carbon atoms to regularly grow around the hexacyclic-ring system, and thus reduces obviously the defects of graphene. Our work demonstrated a possible way to design and fabricate DPFG, as well as the applicability of the DPFG in electrochemical application.
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影响因子：
9.9
作者：
Haosen Fan;Hao Wang;Jing Guo;N. Zhao;Jian Xu
通讯作者：
Haosen Fan;Hao Wang;Jing Guo;N. Zhao;Jian Xu
影响因子：
19
作者：
Lee, Eunho;Lee, Hyo Chan;Cho, Kilwon
通讯作者：
Cho, Kilwon
DOI：
10.1016/j.nimb.2017.04.082
发表时间：
2017-10
影响因子：
1.3
作者：
G. Gawlik;P. Ciepielewski;J. Baranowski;J. Jagielski
通讯作者：
G. Gawlik;P. Ciepielewski;J. Baranowski;J. Jagielski
影响因子：
7.8
作者：
J. Saien;A. Azizi
通讯作者：
J. Saien;A. Azizi
影响因子：
6.7
作者：
Sean Sung-Yen Juang;Chih‐Yi Liu;Cheng-wen Huang;Joseph Hua Hsieh Liao;Ting-Chun Wang;Y. Yu;Hsiang‐Chen Chui
通讯作者：
Sean Sung-Yen Juang;Chih‐Yi Liu;Cheng-wen Huang;Joseph Hua Hsieh Liao;Ting-Chun Wang;Y. Yu;Hsiang‐Chen Chui