2D Mesoporous Channels of PMO; a Platform for Cluster-Like Pt Synthesis and Catalytic Activity in Nitrophenol Reduction

被引：17

作者：

Esmat, Mohamed ^{[1
,2
,3
]}

Mohtasham, Hamed ^{[4
]}

GadelHak, Yasser ^{[3
]}

Mehrebani, Reza Tarbiat ^{[4
]}

Tahawy, Rafat ^{[1
]}

Rostamnia, Sadegh ^{[4
]}

Fukata, Naoki ^{[1
,2
]}

Khaksar, Samad ^{[5
]}

Doustkhah, Esmail ^{[1
,4
]}

机构：

[1] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitechton MANA, 1-1 Namiki, Tsukuba, Ibaraki 3050044, Japan

[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058573, Japan

[3] Beni Suef Univ, Fac Postgrad Studies Adv Sci PSAS, Mat Sci & Nanotechnol Dept, Bani Suwayf 62511, Egypt

[4] Univ Maragheh, Dept Chem, Organ & Nano Grp ONG, Maragheh 5518183111, Iran

[5] Univ Georgia, Sch Sci & Technol, Dept Chem, GE-0171 Tbilisi, Georgia

来源：

CATALYSTS | 2020年 / 10卷 / 02期

关键词：

periodic mesoporous organosilica; PMO; Pt nanoparticles; Reduction reaction; 4-nitrophenol; GOLD NANOPARTICLES; AEROBIC OXIDATION; GRAPHENE OXIDE; ORGANOSILICA; EFFICIENT; PLATINUM; CARBON; NANOTUBES; NANOCOMPOSITES; HYDROGENATION;

D O I：

10.3390/catal10020167

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Thiourea-bridged organosiloxane is used to synthesize a periodic mesoporous organosilica (PMO). Since this PMO has an S-enriched surface, owing to thiourea functional groups, it exhibits strong coordination toward Pt ions, and it shows a high tunability in the Pt nanoparticles size. This hybrid mesoporous material is employed as a catalyst in the efficient reduction reaction of 4-nitrophenol to 4-aminophenol at room temperature in an aqueous media.

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页数：11

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