Morphology and oxidation state of ALD-grown Pd nanoparticles on TiO2- and SrO-terminated SrTiO3 nanocuboids
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- 作者：Bor-Rong Chena ; Cassandra Georgeb ; Yuyuan Lina ; Linhua Hub ; Lawrence Crosbya ; Xianyi Hua ; Peter C. Stairb ; Laurence D. Marksa ; Kenneth R. Poeppelmeierb ; Richard P. Van Duyneb ; Michael J. Bedzyka
- 关键词：Supported palladium nanoparticles ; Strontium titanate ; Atomic layer deposition ; X-ray absorption spectroscopy ; Electron microscopy ; X-ray photoemission spectroscopy
- 刊名：Surface Science
- 出版年：2016
- 出版时间：June 2016
- 年：2016
- 卷：648
- 期：Complete
- 页码：291-298
- 全文大小：1568 K
文摘
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Pd was grown by ALD on STO nanocuboids with either TiO2- or SrO-terminated surfaces.
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STO nanocuboids serve as a bridge between model and commercial catalyst support.
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The morphology and oxidation state of Pd were studied as a function of ALD cycles.
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Pd nanoparticles show better wetting on the TiO2–STO than the SrO–STO surface.
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Residual (hfac)2 influences Pd growth by hindering the migration of Pd on SrO–STO.