联苯
石墨烯
分子
吸附
聚合
化学
金属
材料科学
碳纤维
结晶学
纳米技术
化学工程
有机化学
复合材料
复合数
亚苯基
聚合物
冶金
工程类
作者
Qitang Fan,Linghao Yan,Matthias W. Tripp,Ondřej Krejčí,Stavrina Dimosthenous,Stefan R. Kachel,Mengyi Chen,Adam S. Foster,Ulrich Koert,Peter Liljeroth,J. Michael Gottfried
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2021-05-21
卷期号:372 (6544): 852-856
被引量:414
标识
DOI:10.1126/science.abg4509
摘要
Biphenylene carbon sheets Although graphene forms two-dimensional carbon sheets, other arrangements of carbon rings could also assemble as flat sheers. Fan et al. synthesized an ultraflat biphenylene carbon sheet consisting of sp 2 -hybridized carbon atoms forming four-, six-, and eight-membered rings on a gold surface. An adsorbed halogenated terphenyl molecule undergoes a two-step interpolymer dehydrofluorination polymerization that creates the four- and eight-membered rings through carbon–carbon bond formation. Scanning tunneling spectroscopy revealed that this carbon allotrope is metallic. Science , abg4509, this issue p. 852
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