DICP OpenIR
Controllable synthesis of silicon nano-particles using a one-step PECVD-ionic liquid strategy
Qin, Wei1,3; Cheng, Shimin1,3; Zhou, Bin1,3; Wu, Yihui1,3; Liu, Shengzhong (Frank)1,2; Li, Can1
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
2015
DOI10.1039/c5ta01774b
Volume3Issue:19Pages:10233-10237
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS Research AreaChemistry ; Energy & Fuels ; Materials Science
WOS KeywordCHEMICAL-VAPOR-DEPOSITION ; AMORPHOUS-SILICON ; ROOM-TEMPERATURE ; ATMOSPHERIC-PRESSURE ; QUANTUM CONFINEMENT ; SOLAR-CELLS ; NANOPARTICLES ; NANOCRYSTALS ; PLASMA ; FILMS
AbstractSilicon 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.
Language英语
WOS IDWOS:000354204500012
Citation statistics
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146263
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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.
APA Qin, Wei,Cheng, Shimin,Zhou, Bin,Wu, Yihui,Liu, Shengzhong ,&Li, Can.(2015).Controllable synthesis of silicon nano-particles using a one-step PECVD-ionic liquid strategy.JOURNAL OF MATERIALS CHEMISTRY A,3(19),10233-10237.
MLA Qin, Wei,et al."Controllable synthesis of silicon nano-particles using a one-step PECVD-ionic liquid strategy".JOURNAL OF MATERIALS CHEMISTRY A 3.19(2015):10233-10237.
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