Modulation-doped growth of mosaic graphene with single-crystalline p-n   junctions for efficient photocurrent generation

doi:10.1038/ncomms2286

CORC > 北京大学 > 化学与分子工程学院

	Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation
	Yan, Kai ; Wu, Di ; Peng, Hailin ; Jin, Li ; Fu, Qiang ; Bao, Xinhe ; Liu, Zhongfan
刊名	nature communications
	2012
关键词	ELECTRON-MICROSCOPY FILMS PHOTODETECTOR TRANSISTORS DEVICES SURFACE SHEETS FOILS
DOI	10.1038/ncomms2286
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.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000316356700047&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Multidisciplinary Sciences; SCI(E); 55; ARTICLE; 3
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/313069]
专题	化学与分子工程学院
推荐引用方式 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.
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.
MLA	Yan, Kai,et al."Modulation-doped growth of mosaic graphene with single-crystalline p-n junctions for efficient photocurrent generation".nature communications (2012).