Correlation of Activity and Size of Pt Nanoparticles for Methanol Steam Reforming over Pt/γ-Al2O3 Catalysts

Acta Chimica Sinica ›› 2005, Vol. 63 ›› Issue (9): 802-808. Previous Articles Next Articles

Original Articles

甲醇重整反应中Pt/γ-Al₂O₃催化剂纳米Pt粒径与催化性能关系研究

毕迎普^{1 2}，吕功煊*¹，耿东生¹，毕玉水¹

(¹中国科学院兰州化学物理研究所羰基合成与选择氧化国家重点实验室兰州730000)
(²中国科学院研究生院北京100039)

投稿日期:2004-07-01 修回日期:2005-01-01 发布日期:2010-12-10
通讯作者: 吕功煊

Correlation of Activity and Size of Pt Nanoparticles for Methanol Steam Reforming over Pt/γ-Al₂O₃ Catalysts

BI Ying-Pu^1,2, LÜ Gong-Xuan*¹, GENG Dong-Sheng¹, BI Yu-Shui¹

(¹State Key Laboratory for Oxo Synthesis and Selective Oxidation, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000)
(²Graduate School of the Chinese Academy of Sciences, Beijing 100039)

Received:2004-07-01 Revised:2005-01-01 Published:2010-12-10
Contact: LÜ Gong-Xuan

Abstract

γ-Al₂O₃ supported size controlled platinum nanoparticle catalysts synthesized by reduction of H₂PtCl₆ solution with nitromethane at room temperature have been investigated for steam reforming of methanol as a reaction probe. Experimental results indicated that the activities and selectivities of the Pt/γ-Al₂O₃ catalysts are dependent on size of Pt nanoparticles. The catalysts were characterized by transmission electron microscopy, X-ray diffraction and temperature programmed reduction. The results of characterization and catalytic reaction confirmed the size dependence of Pt nanoparticles for methanol reforming.

Key words: pH, nitromethane, Pt/γ-Al₂O₃, nanoparticle size, steam reforming of methanol

Cite this article

BI Ying-Pu^1,2, LÜ Gong-Xuan*, GENG Dong-Sheng, BI Yu-Shui. Correlation of Activity and Size of Pt Nanoparticles for Methanol Steam Reforming over Pt/γ-Al₂O₃ Catalysts[J]. Acta Chimica Sinica, 2005, 63(9): 802-808.

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甲醇重整反应中Pt/γ-Al₂O₃催化剂纳米Pt粒径与催化性能关系研究

Correlation of Activity and Size of Pt Nanoparticles for Methanol Steam Reforming over Pt/γ-Al₂O₃ Catalysts

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甲醇重整反应中Pt/γ-Al2O3催化剂纳米Pt粒径与催化性能关系研究