2011 Fiscal Year Final Research Report
Preparation of well-ordered nanoporous materials by using the colloidal array of silica nanopsheres
| Project/Area Number |
21685024
|
|---|
| Research Category |
Grant-in-Aid for Young Scientists (A)
|
| Allocation Type | Single-year Grants |
|---|
| Research Field |
Inorganic industrial materials
|
|---|
| Research Institution | Tokyo Institute of Technology |
|---|
Principal Investigator |
YOKOI Toshiyuki 東京工業大学, 資源化学研究所, 助教 (00401125)
|
|---|
| Project Period (FY) |
2009 – 2011
|
| Keywords | ナノ材料 / 触媒・化学プロセス |
|---|
| Research Abstract |
A liquid-phase method for preparing uniform-sized silica nanospheres(SNSs) 12 nm in size and their three-dimensionally ordered arrangement upon solvent evaporation have recently been pioneered by us. Firts, the successful control of the sphere sizes in the wide range from 14 to 550 nm has been achieved by the seed regrowth method. The confined space synthesis method using the colloidar array of silica nanospheres has been applied to the preparation of sodium tantalate(NaTaO_3); hydrothermal reaction of NaOH and Ta_2O_5 was carried out in the pores of three-dimensional mesoporous carbon, which was replicated by the colloidal array of silica nanospheres(SNSs) 20 nm in size. Trimethylsilylated Ti-containing mesoporous silica nanospheres(Ti-MSNSs) have been successfully prepared. The trimethylsilylation improved a hydrophobicity of the material with its morphology and the coordination of Ti species intact. Thus prepared trimethylsilylated Ti-MSNSs exhibited a higher catalytic performance in the epoxidations of various bulky olefins
|
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[Book] セラミックス2010
Author(s)
横井俊之、下嶋敦、辰巳敬、大久保達也
Total Pages
823-829
Publisher
規則性シリカ多孔体合成の新展開
-
