Shi Zongbo, Zhang Qing, Yang Guangpeng, Liu Liang, Wang Gang, Ekananda Rizki, Gamar Ismal, Wang Ruilin, Zhuo Runsheng
REZEL Catalysts Corp. Shanghai 201313 China
College of Materials Science and Engineering, Sichuan University Chengdu 610065 China.
RSC Adv. 2025 Mar 10;15(10):7563-7570. doi: 10.1039/d5ra00527b. eCollection 2025 Mar 6.
0.5%Au supported on γ-AlOOH and γ-AlO was used for low temperature oxidation of CO and aromatic alcohols. Various characterization techniques, including X-ray diffraction, N adsorption, FT-IR spectroscopy, XPS, TEM, CO-TPD and solid-state MAS NMR, were employed to characterize these catalysts. The Au/γ-AlOOH sample has abundant hydroxyl groups and basic sites on its surface, exhibiting strong adsorption for aromatic alcohols, and outstanding activity for low-temperature oxidation of aromatic alcohols. The Au/γ-AlO sample shows sufficient Au sites leading to high performance for low-temperature CO oxidation.
负载在γ-氢氧化铝和γ-氧化铝上的0.5%金用于一氧化碳和芳香醇的低温氧化。采用了各种表征技术，包括X射线衍射、氮吸附、傅里叶变换红外光谱、X射线光电子能谱、透射电子显微镜、一氧化碳程序升温脱附和固态核磁共振，来表征这些催化剂。Au/γ-氢氧化铝样品表面有丰富的羟基和碱性位点，对芳香醇表现出强烈的吸附作用，对芳香醇的低温氧化具有出色的活性。Au/γ-氧化铝样品显示出充足的金位点，导致其在低温一氧化碳氧化方面具有高性能。
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