Photocatalytic hydrogen production using TiO2-Pt aerogels

被引：0

作者：

Puskelova, Jarmila ^{[1
,7
]}

Baia, Lucian ^{[2
,3
]}

Vulpoi, Adriana ^{[2
,3
]}

Baia, Monica ^{[2
,3
]}

Antoniadou, Maria ^{[1
]}

Dracopoulos, Vassilios ^{[4
]}

Stathatos, Elias ^{[5
]}

Gabor, Kovacs ^{[6
]}

Pap, Zsolt ^{[6
]}

Danciu, Virginia ^{[6
]}

Lianos, Panagiotis ^{[1
,4
]}

机构：

[1] [1,Puskelova, Jarmila

[2] 2,Baia, Lucian

[3] 2,Vulpoi, Adriana

[4] 2,Baia, Monica

[5] Antoniadou, Maria

[6] Dracopoulos, Vassilios

[7] Stathatos, Elias

[8] Gabor, Kovacs

[9] Pap, Zsolt

[10] Danciu, Virginia

[11] 1,Lianos, Panagiotis

来源：

Lianos, P. (lianos@upatras.gr) | 1600年 / Elsevier B.V.卷 / 242期

关键词：

TiO2-Pt aerogel composites have been synthesized by mixing sol-gel titania with Pt colloidal suspensions followed by supercritical drying. The highest specific surface achieved with these materials ranged between 550 and 600m2g-1 before annealing and stayed relatively high; i.e; 162m2g-1; after calcination. The concentration of Pt nanoparticles ranged between 0.3 and 1.0wt.% while their size ranged between 5.75 and 6.5nm. These composites were employed as photocatalysts for room-temperature photocatalytic reforming of ethanol and hydrogen production. The highest hydrogen production rate; 7.2mmolH2h-1g-1; was obtained in the case of the smallest and most concentrated metal nanoparticles underlying the importance of the number of active sites on the TiO2-Pt composites. This rate of hydrogen production is relatively high and reflects the relatively high specific surface of the employed photocatalysts. © 2013 Elsevier B.V;

D O I：

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学科分类号：

摘要：

Journal article (JA)

引用

页码：96 / 101

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