中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Multidimensional Morphology Control for PS-b-P-4 VP Templated Mesoporous Iron (III) Oxide Thin Films

文献类型:期刊论文

作者Yin, Shanshan; Cao, Wei; Ji, Qing; Cheng, Yajun; Song, Lin; Li, Nian; Weindl, Christian L.; Schwartzkopf, Matthias; Roth, Stephan, V; Muller-Buschbaum, Peter
刊名ADVANCED MATERIALS INTERFACES
出版日期2021
卷号8期号:14
关键词BLOCK-COPOLYMERS MAGHEMITE NANOPARTICLES PHASE-SEPARATION ANODE MATERIAL ALPHA-FE2O3 FE2O3 PERFORMANCE ARRAYS ELECTRODES DEPOSITION
英文摘要Mesoporous alpha-Fe2O3 thin films with large area homogeneity demonstrate tremendous potential in multiple applications. In the present work, the synthesis of morphology-controlled alpha-Fe2O3 thin films is realized with polystyrene-block-poly(4-vinyl pyridine) (PS-b-P4VP) diblock copolymer assisted sol-gel chemistry. The solvent category (DMF and 1,4-dioxane) and polymer-to-FeCl3 ratio used for the solution preparation are systematically varied to tune the morphology of the thin films. For both solvents, DMF and 1,4-dioxane, nanocluster structures are obtained with low PS-b-P4VP concentration. When the concentration of PS-b-P4VP reaches the critical micelle concentration, spherical and wormlike porous structures are specifically formed in the DMF and 1,4-dioxane solvent system, respectively. Further increasing the polymer-to-FeCl3 ratios leads to the enlargement of the spherical pore sizes in the DMF system, whereas the center-to-center distances of the wormlike structures in the 1,4-dioxane system decrease. Moreover, DMF/1,4-dioxane solvent mixtures with different volume ratios are applied for the sol-gel solution preparation to gain more insight into how the solvent selectivity affects the thin film morphology. By adjusting the preferential affinity of the solvent mixture to the polymer blocks, a spherical to wormlike pore shape transition is observed with a critical Delta chi value of around 0.77.
源URL[http://ir.nimte.ac.cn/handle/174433/21773]  
专题中国科学院宁波材料技术与工程研究所
2021专题_期刊论文
作者单位Muller-Buschbaum, P (corresponding author), Tech Univ Munich, Lehrstuhl Funktionelle Mat Phys Dept, James Franck Str 1, D-85748 Garching, Germany.
推荐引用方式
GB/T 7714
Yin, Shanshan,Cao, Wei,Ji, Qing,et al. Multidimensional Morphology Control for PS-b-P-4 VP Templated Mesoporous Iron (III) Oxide Thin Films[J]. ADVANCED MATERIALS INTERFACES,2021,8(14).
APA Yin, Shanshan.,Cao, Wei.,Ji, Qing.,Cheng, Yajun.,Song, Lin.,...&Muller-Buschbaum, Peter.(2021).Multidimensional Morphology Control for PS-b-P-4 VP Templated Mesoporous Iron (III) Oxide Thin Films.ADVANCED MATERIALS INTERFACES,8(14).
MLA Yin, Shanshan,et al."Multidimensional Morphology Control for PS-b-P-4 VP Templated Mesoporous Iron (III) Oxide Thin Films".ADVANCED MATERIALS INTERFACES 8.14(2021).

入库方式: OAI收割

来源:宁波材料技术与工程研究所

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