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ÎÄÕÂд×÷Ö®Ìå»á¡ª¡ªJournal of Molecular Catalysis A: Chemical http://dx.doi.org/10.1016/j.molcata.2007.04.007 In Press, Accepted Manuscript, Available online 8 April 2007 ÎÄÕÂAu/MxOy/TiO2 catalysts for CO oxidation: promotional effect of main-group, transition, and rare-earth metal oxide additives±»Journal of Molecular Catalysis A: Chemical·¢±íÁË¡£ÕâÆªÎÄÕÂÊÇÎÒ×î½üдµÃ±È½ÏºÃµÄһƪÎÄÕ£¬ÊÇһƪ͸³¹µÄÎÄÕ¡£ÎÄÕÂͶ¸å²ÅÒ»ÖÜ£¬Éó¸åÒâ¼û¾Í»ØÀ´ÁË£¬Éó¸åÈ˸øÓë×î¸ßµÄÆÀ¼Û¡£ ¶ÔÓÚÕªÒª£¬ÎÒµÄÌå»áÊÇ£ºÒ»¶¨ÒªÎüÒýÈË¡£Ö»ÓÐÎüÒýÈË£¬Éó¸åÈËÔÚ½Óµ½Éó¸åÈÎÎñµÄʱºò²Å»áµ±³¡ÔĶÁÏÂÈ¥£¬²¢ÇÒÂíÉϻظ´£»¶øÈç¹û²»ÎüÒýÈË£¬Éó¸åÈ˾ͰÑËû¶ªÔÚÒ»±ß£¬Íü¼ÇÉó¸åÁË£¬Ö±µ½¼¸¸öÔºó±à¼´ßÁ˲ſ´ÎÄÕ£¬ÕâÑù¾Íµ¢Îóʱ¼ä¡£µ«ÊÇÎüÒýÈ˵Äͬʱ£¬ÓÖ²»ÄÜ´µµÃÌ«À÷º¦¡£ ÎÒÕâ¸öÕªÒªËùÒªÌåÏÖµÄÖ÷ÒªÒâ˼ÊÇ£ºÔÚǰÎÄÖУ¬ÎÒÃÇС×éÆäËûÈËÓñíÃæÈܽº-Äý½º¼¼ÊõºÏ³ÉÁËÒ»ÖÖÐÂÐ͵ÄAu/Al2O3/TiO2 ´ß»¯¼Á£¬¸Ã¹¤×÷ÒÔÁ½Ò³¿ì±¨µÄÐÎʽ·¢±íÔÚÃÀ¹ú»¯Ñ§»áÖ¾ÉÏ£¨ÎÒÔÚÕªÒªÖиø³ö¾ßÌåµÄ×÷ÕßÃû³ÆºÍÔÓÖ¾¾íºÅ¡¢Ò³Â룩¡£±¾ÎÄÒÔÈ«ÎĵÄÐÎʽ±¨µÀÓÃÒ»ÖÖ¼òµ¥µÄ×Ô·¢·ÖÉ¢·½·¨ÖƱ¸µÄAu/Al2O3/TiO2 ´ß»¯¼ÁÄÜ´ïµ½ÀàËÆÐ§¹û¡£²»µ«Èç´Ë£¬ÎÒÃÇ»¹Ì½Ë÷ÁË25ÖÖÌí¼Ó¼Á£¬·¢ÏÖÓÐЩ»¹ÄÜʵÏÖ±ÈÃÀ¹ú»¯Ñ§»áÖ¾¸üºÃµÄЧ¹û¡££¨ÕâÑù£¬¸øÉó¸åÈ˵ĸоõÊÇÕâÆªÎÄÕÂÊÇÃÀ¹ú»¯Ñ§»áÖ¾µÄ²¹³äºÍÉý»ª£¬ËùÒÔÖµµÃ·¢±í¡£ÕâÖÖд×÷·½·¨ºÜ³£¼û£ºÓеÄÈË˵£¬ÔÚÎÒÃǵÄǰÎÄNatureÖУ¬ÎÒÃdzõ²½±¨µÀÁËʲôʲô£»ÔÚ±¾ÎÄÃÀ¹ú»¯Ñ§»áÖ¾ÖУ¬ÎÒÃÇÒÔÈ«ÎÄÐÎʽ½øÒ»²½Ñо¿¡££© ÒýÑÔºÍÌÖÂÛ²¿·ÝÊÇÎÒ×îÉó¤Ð´µÄ²¿·Ý¡£ÒýÑÔµÚÒ»¶ÎÎÒÒ»¿ªÊ¼¾Íдµ½£ºCatalysis by gold, previously uncharted [1, 2], has become an emerging field recently [3-5]. 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In our recent patent on surface-stabilized gold nanocatalysts [28], these freshly obtained findings were not claimed, either.¡±Õâ¾ä»°£¬Èç¹ûÊÇÕýÈ·µÄ»°£¬¾Í°Ñ±¾Îķŵ½Ò»¸öºÏÊʵġ¢ÔÚÎÄÏ×ÖеÄλÖÃÁË¡£¶øºÜ¶àÎÄÕ£¬²»Í´²»Ñ÷£¬¿´Á˲»ÖªµÀÕâ¸öµã×Óµ½µ×в»Ð¡¢±ðÈËÓÐûÓб¨µÀ¹ý¡£ ÔÚ½á¹û²¿·ÝÎÒдµÃ×îºÃÒ²×îÓÐȤµÄÊÇSection 3.3. 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