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Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation
Yan, Kai1; Wu, Di1; Peng, Hailin1; Jin, Li2; Fu, Qiang2; Bao, Xinhe2; Liu, Zhongfan1
刊名NATURE COMMUNICATIONS
2012-12-01
DOI10.1038/ncomms2286
3
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Multidisciplinary Sciences
研究领域[WOS]Science & Technology - Other Topics
关键词[WOS]ELECTRON-MICROSCOPY ; FILMS ; PHOTODETECTOR ; TRANSISTORS ; DEVICES ; SURFACE ; SHEETS ; FOILS
英文摘要Device applications of graphene such as ultrafast transistors and photodetectors benefit from the combination of both high-quality p- and n-doped components prepared in a large-scale manner with spatial control and seamless connection. Here we develop a well-controlled chemical vapour deposition process for direct growth of mosaic graphene. Mosaic graphene is produced in large-area monolayers with spatially modulated, stable and uniform doping, and shows considerably high room temperature carrier mobility of similar to 5,000 cm(2)V(-1) s(-1) in intrinsic portion and similar to 2,500 cm(2)V(-1) s(-1) in nitrogen-doped portion. The unchanged crystalline registry during modulation doping indicates the single-crystalline nature of p-n junctions. Efficient hot carrier-assisted photocurrent was generated by laser excitation at the junction under ambient conditions. This study provides a facile avenue for large-scale synthesis of single-crystalline graphene p-n junctions, allowing for batch fabrication and integration of high-efficiency optoelectronic and electronic devices within the atomically thin film.
语种英语
WOS记录号WOS:000316356700047
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被引频次:71[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/138099
专题中国科学院大连化学物理研究所
作者单位1.Peking Univ, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem & Mol Engn, Ctr Nanochem,BNLMS, Beijing 100871, Peoples R China
2.Chinese Acad Sci, State Key Lab Catalysis, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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GB/T 7714
Yan, Kai,Wu, Di,Peng, Hailin,et al. Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation[J]. NATURE COMMUNICATIONS,2012,3.
APA Yan, Kai.,Wu, Di.,Peng, Hailin.,Jin, Li.,Fu, Qiang.,...&Liu, Zhongfan.(2012).Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation.NATURE COMMUNICATIONS,3.
MLA Yan, Kai,et al."Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation".NATURE COMMUNICATIONS 3(2012).
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