Easy and General Synthesis of Large‐Sized Mesoporous Rare‐Earth Oxide Thin Films by ′Micelle Assembly′ | Zendy

Li Yunqi | Zendy; Bastakoti Bishnu Prasad | Zendy; Imura Masataka | Zendy; Dai Pengcheng | Zendy; Yamauchi Yusuke | Zendy

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Easy and General Synthesis of Large‐Sized Mesoporous Rare‐Earth Oxide Thin Films by ′Micelle Assembly′

Author(s) -

Li Yunqi,

Bastakoti Bishnu Prasad,

Imura Masataka,

Dai Pengcheng,

Yamauchi Yusuke

Publication year - 2015

Publication title -

chemistry – an asian journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.18

H-Index - 106

eISSN - 1861-471X

pISSN - 1861-4728

DOI - 10.1002/asia.201500745

Subject(s) - copolymer , mesoporous material , materials science , oxide , ethylene oxide , micelle , thin film , chemical engineering , nanotechnology , styrene , polymer chemistry , chemistry , organic chemistry , composite material , polymer , catalysis , aqueous solution , engineering , metallurgy

Large‐sized (ca. 40 nm) mesoporous Er 2 O 3 thin films are synthesized by using a triblock copolymer poly(styrene‐ b ‐2‐vinyl pyridine‐ b ‐ethylene oxide) (PS‐ b ‐P2VP‐ b ‐PEO) as a pore directing agent. Each block makes different contributions and the molar ratio of PVP/Er 3+ is crucial to guide the resultant mesoporous structure. An easy and general method is proposed and used to prepare a series of mesoporous rare‐earth oxide (Sm 2 O 3 , Dy 2 O 3 , Tb 2 O 3 , Ho 2 O 3 , Yb 2 O 3 , and Lu 2 O 3 ) thin films with potential uses in electronics and optical devices.

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