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	Air stable, photosensitive, phase pure iron pyrite nanocrystal thin films for photovoltaic application
	Bi, Yu1,2; Yuan, Yongbo1,3; Exstrom, Christopher L.3,4; Darveau, Scott A.3,4; Huang, Jinsong1,3
刊名	Nano letters
	2011-11-01
卷号	11期号:11页码:4953-4957
关键词	Nanocrystals Iron pyrite Photovoltaic Photoconductive
ISSN号	1530-6984
DOI	10.1021/nl202902z
通讯作者	Huang, jinsong(jhuang2@unl.edu)
英文摘要	Iron pyrite (fes(2)) is a naturally abundant and nontoxic photovoltaic material that can potentially make devices as efficient as silicon-based ones; however existing iron pyrite photovoltaic devices contain thermodynamically unstable fes(2) film surfaces that lead to low open circuit voltages. we report the rational synthesis of phase pure, highly crystalline cubic fes(2) nanocrystals (ncs) using a trioctylphosphine oxide (top 0) assisted hot-injection method. the synthesized pyrite nc films have excellent air stability over one year. in contrast, obvious surface decomposition was observed on the surface of fes(2) ncs synthesized without topo. a high carrier mobility of 80 cm(2)/(v s) and a strong photoconductivity were observed for the first time for pyrite films at room temperature. our results indicate that topo passivates both iron and sulfur atoms on fes(2) nc surfaces, efficiently inhibiting surface decomposition.
WOS关键词	FES2 PYRITE ; SULFURIZATION ; SULFIDE ; GROWTH ; OXIDES
WOS研究方向	Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS类目	Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
语种	英语
出版者	AMER CHEMICAL SOC
WOS记录号	WOS:000296674700078
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2428271
专题	半导体研究所
通讯作者	Huang, Jinsong
作者单位	1.Univ Nebraska, Dept Mech & Mat Engn, Lincoln, NE 68588 USA 2.Chinese Acad Sci, Inst Semicond, Key Lab Semicond Mat Sci, Beijing 100083, Peoples R China 3.Univ Nebraska, Nebraska Ctr Mat & Nanosci, Lincoln, NE 68583 USA 4.Univ Nebraska, Dept Chem, Kearney, NE 68849 USA
推荐引用方式 GB/T 7714	Bi, Yu,Yuan, Yongbo,Exstrom, Christopher L.,et al. Air stable, photosensitive, phase pure iron pyrite nanocrystal thin films for photovoltaic application[J]. Nano letters,2011,11(11):4953-4957.
APA	Bi, Yu,Yuan, Yongbo,Exstrom, Christopher L.,Darveau, Scott A.,&Huang, Jinsong.(2011).Air stable, photosensitive, phase pure iron pyrite nanocrystal thin films for photovoltaic application.Nano letters,11(11),4953-4957.
MLA	Bi, Yu,et al."Air stable, photosensitive, phase pure iron pyrite nanocrystal thin films for photovoltaic application".Nano letters 11.11(2011):4953-4957.

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