ICCAS OpenIR
Wet Chemical Approaches to Patterned Arrays of Well-Aligned ZnO Nanopillars Assisted by Monolayer Colloidal Crystals
Li, Cheng1; Hong, Guosong1; Wang, Pengwei2; Yu, Dapeng2; Qi, Limin1
2009-03-10
Source PublicationCHEMISTRY OF MATERIALS
ISSN0897-4756
Volume21Issue:5Pages:891-897
AbstractHexagonally patterned arrays of well-aligned, regular ZnO nanopillars with controlled size, shape, and orientation were directly fabricated on zinc foils via a facile wet chemical approach with the assistance of monolayer colloidal crystals (MCC). Two kinds of templates that were derived from MCC, i.e., inverted MCC (IMCC) and connected MCC (CMCC), were employed as masks to define the growth sites and spaces on zinc foils for the realization of site-specific patterned growth of ZnO nanopillars. Individually patterned arrays of ZnO nanopillars (i.e., one ZnO nanopillar growing at one single growth site) were readily produced. Interestingly, the vertically aligned ZnO nanopillars were also side-oriented, indicating a quasi-epitaxial growth on the zinc substrate. The diameter of the ZnO nanopillars can be controlled in a wide range from 60 to 900 nm by varying the structural parameters of the MCC templates and the growth conditions. Moreover, by decreasing the reaction solution concentration, a bundle of ZnO nanorods rather than an individual nanopillar were selectively grown at one single growth site. The as-grown ZnO nanopillar arrays were well-crystallized and exhibited strong excitonic emission and weak defect-related emission at room temperature, which promises their potential applications in optical devices such as stimulated emitters and lasing cavities.
DOI10.1021/cm802839u
Indexed BySCI
Language英语
WOS IDWOS:000263891700016
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:156[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65986
Collection中国科学院化学研究所
Corresponding AuthorQi, Limin
Affiliation1.Peking Univ, BNLMS, State Key Lab Struct Chem Unstable & Stable Speci, Coll Chem, Beijing 100871, Peoples R China
2.Peking Univ, Electron Microscopy Lab, State Key Lab Mesoscop Phys, Sch Phys, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Li, Cheng,Hong, Guosong,Wang, Pengwei,et al. Wet Chemical Approaches to Patterned Arrays of Well-Aligned ZnO Nanopillars Assisted by Monolayer Colloidal Crystals[J]. CHEMISTRY OF MATERIALS,2009,21(5):891-897.
APA Li, Cheng,Hong, Guosong,Wang, Pengwei,Yu, Dapeng,&Qi, Limin.(2009).Wet Chemical Approaches to Patterned Arrays of Well-Aligned ZnO Nanopillars Assisted by Monolayer Colloidal Crystals.CHEMISTRY OF MATERIALS,21(5),891-897.
MLA Li, Cheng,et al."Wet Chemical Approaches to Patterned Arrays of Well-Aligned ZnO Nanopillars Assisted by Monolayer Colloidal Crystals".CHEMISTRY OF MATERIALS 21.5(2009):891-897.
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