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题名: Controllable synthesis of silicon nano-particles using a one-step PECVD-ionic liquid strategy
作者: 秦炜1, 3;  Cheng, Shimin1, 3;  Zhou, Bin1, 3;  Wu, Yihui1, 3;  Liu, Shengzhong (Frank)1, 2;  Li, Can1
刊名: JOURNAL OF MATERIALS CHEMISTRY A
发表日期: 2015
DOI: 10.1039/c5ta01774b
卷: 3, 期:19, 页:10233-10237
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences ;  Technology
类目[WOS]: Chemistry, Physical ;  Energy & Fuels ;  Materials Science, Multidisciplinary
研究领域[WOS]: Chemistry ;  Energy & Fuels ;  Materials Science
英文摘要: Silicon nano-particles (SiNPs) offer the promise of an environmentally friendly and manufacturable material because of their inherent non-toxicity and compatibility with Si-based technologies. However, their controllable synthesis on a large scale remains a challenge. Herein, we present a facile method that takes advantage of both plasma enhanced chemical vapour deposition (PECVD) and ionic liquid (IL), referred to as PECVD-IL methods to controllably synthesize well-dispersed SiNPs. It has been found that Si-based radicals within silane plasma can be passivated by IL "soft substrates", and then SiNPs with sizes ranging from 2.3 to 4.5 nm with a narrow size distribution (+/- 0.8 nm) can be readily synthesized. Moreover, the size of the SiNPs can be well controlled by adjusting the residence time of Si radicals in the plasma. This work demonstrates the feasibility of vapour phase deposition on liquid-based substrates, which provides the ability to allow for "species selection" to controllably synthesize well-dispersed SiNPs with small size-distribution.
关键词[WOS]: CHEMICAL-VAPOR-DEPOSITION ;  AMORPHOUS-SILICON ;  ROOM-TEMPERATURE ;  ATMOSPHERIC-PRESSURE ;  QUANTUM CONFINEMENT ;  SOLAR-CELLS ;  NANOPARTICLES ;  NANOCRYSTALS ;  PLASMA ;  FILMS
语种: 英语
WOS记录号: WOS:000354204500012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146263
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Natl Lab Clean Energy, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Shaanxi Normal Univ, Sch Mat Sci & Engn, Natl Minist Educ, Key Lab Appl Surface & Colloid Chem, Xian 710062, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Qin, Wei,Cheng, Shimin,Zhou, Bin,et al. Controllable synthesis of silicon nano-particles using a one-step PECVD-ionic liquid strategy[J]. JOURNAL OF MATERIALS CHEMISTRY A,2015,3(19):10233-10237.
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