Study of electronic state of supported gold nanospecies by IR spectroscopy; The 7th International Forum on Strategic Technology (IFOST-2012), September 18-21, 2012, Tomsk
| Parent link: | The 7th International Forum on Strategic Technology (IFOST-2012), September 18-21, 2012, Tomsk.— 2012.— [4 p.] |
|---|---|
| Drugi avtorji: | Martynyuk O. A. Oksana Anatolievna, Pestryakov A. N. Aleksey Nikolaevich, Bogdanchikova N., Tiznado Н., Zepeda T. A., Tuzovskaya I. |
| Izvleček: | Title screen The nature of different Au species supported on hexagonal mesoporous silica has been studied by infrared spectroscopy of adsorbed CO. Experiments revealed existence of the following states ofsupported gold: neutral metal particles Au°, ions Au+ and a number of partly charged states Auδ+ with different effective charge. Redox pretreatments (vacuum, O2 and H2) of Au/SiO2 at the different temperatures (100, 300 and 500°C) exert a significant effect on the electronic state of supported Au species. The experiments showed high stability of Auδ+ states under all treatments; that may prove their active role in catalytic properties of gold Режим доступа: по договору с организацией-держателем ресурса |
| Jezik: | angleščina |
| Izdano: |
2012
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| Teme: | |
| Online dostop: | http://dx.doi.org/10.1109/IFOST.2012.6357581 |
| Format: | Elektronski Book Chapter |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=636296 |
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