ICCAS OpenIR
Broadband antireflection of block copolymer/homopolymer blend films with gradient refractive index structures
Li, Xiao; Xue, Longjian; Han, Yanchun
2011
Source PublicationJOURNAL OF MATERIALS CHEMISTRY
ISSN0959-9428
Volume21Issue:15Pages:5817-5826
AbstractThe factors that influence the broadband antireflection of block copolymer/homopolymer blend films were systematically investigated. The gradient refractive index structure, which was generated by removing the PMMA content from a film of PS-b-PMMA/PMMA blends, contributed to the broadband antireflection. The volume fraction of the PMMA block (f(PMMA)), the total degree of polymerization (N) and the weight percent of the homopolymer played a key role in the formation of the gradient porosity index inner structure. By increasing chi N, the PS porous structure was kept from collapsing after removal of the PMMA domain, which led to a stable gradient porosity ratio structure and higher transmittance. While increasing fPMMA, the PMMA domains changed from a dispersed phase to a continuous phase, which caused the residual PS structure to collapse more easily and the transmittance decreased. The best broadband antireflective properties were achieved from the 45 mg mL(-1) solution of PS-b-PMMA (M-n = 68 000-33 500, f(PMMA) = similar to 25%) blended with 30 wt% PMMA: a mean transmittance of 98.4% at full spectrum, and >98.0% in the visible-NIR range between 600 nm and 2000 nm.
DOI10.1039/c0jm04508j
Indexed BySCI
Language英语
WOS IDWOS:000288906400040
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/71816
Collection中国科学院化学研究所
Corresponding AuthorHan, Yanchun
AffiliationChinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China
Recommended Citation
GB/T 7714
Li, Xiao,Xue, Longjian,Han, Yanchun. Broadband antireflection of block copolymer/homopolymer blend films with gradient refractive index structures[J]. JOURNAL OF MATERIALS CHEMISTRY,2011,21(15):5817-5826.
APA Li, Xiao,Xue, Longjian,&Han, Yanchun.(2011).Broadband antireflection of block copolymer/homopolymer blend films with gradient refractive index structures.JOURNAL OF MATERIALS CHEMISTRY,21(15),5817-5826.
MLA Li, Xiao,et al."Broadband antireflection of block copolymer/homopolymer blend films with gradient refractive index structures".JOURNAL OF MATERIALS CHEMISTRY 21.15(2011):5817-5826.
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