²é¿´: 532  |  »Ø¸´: 1

¼ªÒ²³æ³æ

½ð³æ (ÕýʽдÊÖ)

[ÇóÖú] ´óÁ¬»¯ÎïËùÕÅÌιØÓڽ𲬺Ͻð´ß»¯¼Á¶ÔÒ»Ñõ»¯¶þµª·Ö½â·´Ó¦µÄ´ß»¯ÐÔÄÜ

´óÁ¬»¯ÎïËùÕÅÌεÄһƪÎÄÏ×£ºBimetallic Au−Pd Alloy Catalysts for N2O Decomposition Effects of Surface Structures on Catalytic Activity¡£ÖÐÓÐÒ»¶Î·­Ò벻ͨ˳£¬Àí½â²»ÁË£¬Ï£Íû³æÓѰï°ïÎÒ°¡£¡ºÜ׿±°¡

The chemisorption of O2 shows that both the adsorption heat and the saturation uptake decrease with an increase of Au/Pd ratio, suggesting alloying Pd with gold will facilitate the desorption of oxygen adatoms as O2, which is generally the rate-determining step for N2O decomposition reaction.
Theoretical investigations using periodic DFT methods confirm the tunable O2 desorption ability by alloying Pd with Au and indicate that contiguously located Pd sites are indispensable for N2O decomposition because they function as the active sites for the elementary step of N2O decomposition into N2 and oxygen adatom, which becomes the rate-determining step over the Au−Pd alloy catalysts.

[ Last edited by pzypdl on 2013-4-5 at 23:39 ]
»Ø¸´´ËÂ¥
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

readytogo

ÈÙÓþ°æÖ÷ (ÎÄѧ̩¶·)

¹Ï˧-´ß»¯¼Á

ÓÅÐãÇø³¤ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷ÓÅÐã°æÖ÷

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

¡ï ¡ï ¡ï ¡ï ¡ï ¡ï ¡ï
¸Ðл²ÎÓ룬ӦÖúÖ¸Êý +1
ÍõÏþÃÈ: ½ð±Ò+2, лл·ÖÏí£¡ 2013-04-06 12:00:55
¼ªÒ²³æ³æ: ½ð±Ò+5, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸ 2013-04-06 15:57:05
ÑõµÄ»¯Ñ§Îü¸½±íÃ÷£¬Ëæ×Žð/îÙ±ÈÔö¼ÓÎü¸½ÈÈÓë±¥ºÍ¶È³ÊÏÖϽµÇ÷ÊÆ£¬±íÃ÷ºÏ½ðîٽ𽫴ٽøÑõÔ­×ÓÒÔO2µÄ·½Ê½½âÎü£¬Õâͨ³£ÊÇN2O·Ö½â·´Ó¦µÄ¾ö¶¨²½Öè¡£
ÖÜÆÚÐÔÃܶȷºº¯ÀíÂÛÑо¿·½·¨È·¶¨Pd¡¢AuºÏ½ð¾ß±¸µ÷ÕûO2½âÎüµÄÄÜÁ¦£¬±íÃ÷PdÁ¬Ðø»îÐÔλ¶ÔN2O·Ö½âÀ´ËµÊDz»¿ÉȱÉٵģ¬ÒòΪËûÃÇÊÇN2O·Ö½â³ÉN2ºÍÑõÔ­×Ó³õʼ·´Ó¦µÄ»îÐÔ룬ÕâÒ²ÊǽðîٺϽð´ß»¯¼ÁµÄ¿ØÖƲ½Öè¡£
²ÅÐëѧҲ£¬·ÇѧÎÞÒÔ¹ã²Å£¬·ÇÖ¾ÎÞÒÔ³Éѧ¡£¡¾¿ÆÑÐÉú»îÇø¡¿¡¢¡¾Ì¼Ò»»¯¹¤¡¿£¨Ãº¡¢ÌìÈ»Æø»¯¹¤£©»¶Ó­Äú³£À´½»Á÷
2Â¥2013-04-06 11:19:27
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ ¼ªÒ²³æ³æ µÄÖ÷Ìâ¸üÐÂ
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[½Ìʦ֮¼Ò] µ¼Ê¦Í²ۣºÎÒÔõô̯ÉÏÁËÕâô¸ö¼«Æ·Ñо¿Éú£¡ +5 ËÕ¶«ÆÂ¶þÊÀ 2026-08-23 5/250 2026-08-27 10:39 by ì¿Óê
[»ù½ðÉêÇë] Ôõô¿´Çà»ùÖÐÁËûÓа¡ +5 Ò¶¾Å΢ 2026-08-26 5/250 2026-08-27 10:35 by l_zh2008
[ÎÄѧ·¼²ÝÔ°] ÃÎÏë +3 myrtle 2026-08-26 3/150 2026-08-27 10:01 by angelyueyi
[»ù½ðÉêÇë] ÃæÉϺÏ×÷µ¥Î»¸ÇÕ +3 ssyjh 2026-08-27 3/150 2026-08-27 09:59 by °¢À­¹±aragon
[»ù½ðÉêÇë] ¿´°åÉÏÕâô¶àÖеģ¬ÓеãÏñ50ÈËȺÀï49¸öÈ˶¼ÊÇÆ­×ÓµÄÄÇÖָоõ¡­¡­ +4 a089 2026-08-26 5/250 2026-08-27 09:24 by Howard28
[»ù½ðÉêÇë] »ù½ð²»ÖУ¬¹²Ãã +7 eulota 2026-08-26 7/350 2026-08-27 09:02 by hsding2026
[»ù½ðÉêÇë] Ϊʲô ¹ú¼Ê(µØÇø)ºÏ×÷Óë½»Á÷ÏîÄ¿ ûÓзŰñ£¿ 10+3 majunge000 2026-08-26 11/550 2026-08-27 08:42 by ±±¾©À³Òð±à¼­
[»ù½ðÉêÇë] ¹ú×ÔÈ»ÃæÉϸ´ÅÌ~»¶Ó­ÌÖÂÛ +7 ÇçÌì¼ÓÓÍ 2026-08-26 8/400 2026-08-27 07:53 by longfie172
[½Ìʦ֮¼Ò] ÊÛSCIÒ»ÇøÎÄÕ£¬ÎÒ:8.O.551.O.5.4,¿ÆÄ¿È«,¿ÉÙ¤¼± +3 LIbGuocjEEYw 2026-08-26 4/200 2026-08-27 04:33 by Ie9AyIAvGbvs
[˶²©¼ÒÔ°] ÊÛSCIÒ»ÇøT0PÎÄÕ£¬ÎÒ:8.O.55.1.O.54,¿ÆÄ¿ÆëÈ«,¿É+¼± +3 LIbGuocjEEYw 2026-08-26 4/200 2026-08-27 02:01 by Ie9AyIAvGbvs
[»ù½ðÉêÇë] ÄÜ·ñÍ˳ö²ÎÓëµÄÃæÉÏÏîÄ¿½â³ýÏÞÏî +23 koalala 2026-08-24 26/1300 2026-08-26 14:29 by ±¦±´³æ×Ó
[»ù½ðÉêÇë] ÄÄλ¸ßÈËÖÐÁË£¬°Ñ²éѯµ½µÄ½ØÍ¼Ìù³öÀ´ÈÃÎÒ¿´¿´£¬ÈÃÎÒ³¤³¤¼ûʶ +4 yuleib84 2026-08-26 5/250 2026-08-26 13:40 by yuleib84
[»ù½ðÉêÇë] Ϊʲô¹ú×ÔÈ»²»ÄÜÖ±½Ó¹«²¼ +4 bjdxyxy 2026-08-26 4/200 2026-08-26 13:12 by qingmu1201
[»ù½ðÉêÇë] ¹úºÏÀïÃæÄÜ¿´µ½ÁË +7 Ò»»³Ü°Çï 2026-08-26 7/350 2026-08-26 11:23 by zhaosm1982
[Ö°³¡ÈËÉú] ѧÉúײ¼û¸¨µ¼Ô±ËÍÍâÂô£¬µÚ¶þÌìÈ«°à¶¼³ÁĬÁË +3 ¾¨ÓãÈÚ½ð_Õã½­_É 2026-08-22 3/150 2026-08-26 09:01 by zzuzxg
[»ù½ðÉêÇë] ¹úºÏÏÖÔڲ鲻µ½ÁËÂ𣿠+10 chengyan1220 2026-08-24 20/1000 2026-08-26 08:57 by peasantsprig
[»ù½ðÉêÇë] Å£À´£¡Ã×À´£¡ÃæÀ´£¡ +8 beefly 2026-08-26 8/400 2026-08-26 08:37 by xuzhipiao
[»ù½ðÉêÇë] ÎÒÃæÉÏÍêµ°ÁË +13 ÇÒÌý»¢Ð¥ 2026-08-20 14/700 2026-08-25 09:10 by mrkang
[»ù½ðÉêÇë] ½¨Òé»ù½ð·¢²¼Ìáǰ¸ø³öÃ÷È·µÄʱ¼äµã +13 kulium 2026-08-21 16/800 2026-08-24 16:27 by superceng
[»ù½ðÉêÇë] »ù½ð°¡»ù½ð +4 longfie172 2026-08-20 4/200 2026-08-21 08:58 by mark mao
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û