²é¿´: 299  |  »Ø¸´: 2
µ±Ç°Ö÷ÌâÒѾ­´æµµ¡£
¡¾ÐüÉͽð±Ò¡¿»Ø´ð±¾ÌûÎÊÌ⣬×÷ÕßÉ½«ÔùËÍÄú 5 ¸ö½ð±Ò

É

½ð³æ (СÓÐÃûÆø)

[ÇóÖú] ½ðµç¼«±íÃæ»ýµÄ¼ÆË㣨ÓÐЧÈÕÆÚÖÁ2008Äê6ÔÂ6ÈÕ£©

¡° bare gold electrode potential from 0.0 to þ1.5 Vvs. Ag/AgCl in 0.5 M
  H2SO4 until reproducible cyclic voltammograms were obtained . A roughness factor of 1.72+0.12 was calculated from the ratio of real to geometric surface area.The real surface area was calculated by integration of the cathodic peakobserved during redox reaction of gold in 0.5 M H2SO4, assuming 482 C cm2 charge for reduction of one monolayer of AuO on Au(111).¡±

  ÇëÎÊ£ºÉÏÃæ¶ÎÖÐroughness factorºÍThe real surface area ÊÇÔõôËã³öÀ´µÄ£¿
Çëд³ö¹«Ê½£¬ºÃÂð£¿Ð»Ð»£¡

±¸×¢£º´ð°¸ÂúÒâÕ߿ɻñÒ»¶¨µÄ¼Î½±£¡

» ²ÂÄãϲ»¶

ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

bcl007

Í­³æ (³õÈëÎÄ̳)

¡°482 C cm2¡±Ã»¿´Ì«Ã÷°×£¬²»ÖªµÀÔ­¼þÊÇÔõôдµÄ¡£´ó¸ÅÀí½âΪÔÚÿƽ·½ÀåÃ×½ð±íÃæÉú³ÉÒ»µ¥²ãÑõ»¯½ðÏûºÄµÄµçÁ¿£¨»òÕßÑõ»¯½ð»¹Ô­Îª½ðÐèÒªµÄµçÁ¿£©¡£The real surface area ÊÇËù²âµçÁ¿ÓëÉÏÊöµçÁ¿µÄ±ÈÖµ¡£ÓÉÓÚ±íÃæ²»¿ÉÄܾø¶ÔƽÕû£¬»áÔö¼Óµ¥Î»Ãæ»ýµÄÓÐÐ§Ãæ»ý£¬Ê¹ËùÐèµçÁ¿ÖµÔö´ó¡£
geometric surface area¿Éͨ¹ýʵ¼Ê²âÁ¿µÃ³ö¡£
¶øroughness factor¾ÍÊÇthe real surface area areaÓëgeometric surface areaµÄ±ÈÖµ¡£
¸öÈËÀí½â£¬½ö×÷²Î¿¼¡£
2Â¥2008-08-20 15:05:43
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

zhang20088706

ľ³æ (СÓÐÃûÆø)

´Ö²ÚÒò×Ór¿ÉÒÔ¸ù¾ÝCVͼ×îºóÒ»ÖܵÄQc£¬´úÈër£½Qc/1.256¡Á10-5 ¼ÆËãµÃµ½ ¡£

»¹Ô­µçÁ¿Qc£ºÂã½ðµç¼«ÔÚÒѳýÑõµÄ0.5M H2SO4 ÈÜÒºÖÐCVɨÃè20ÖÜÖÁÎȶ¨(v = 0.1V/s)£¬È¡×îºóÒ»ÖܵÄQc £¨¸ù¾Ý¶à¾§½ðµç¼«µÄÀíÂÛ»¹Ô­µçÁ¿£¨400 ¦ÌC/cm2£©ºÍ½ðµç¼«¼¸ºÎÃæ»ý£¨0.0314 cm2£©ÇóµÃ½ðµç¼«µÄÀíÂÛ»¹Ô­µçÁ¿Îª400¡Á0.0314=1.256¡Á10-5C£¬²»Í¬Ãæ»ýµÄ½ðµç¼«Õâ¸öÖµÊDz»Í¬µÄ£©¡£
3Â¥2008-09-29 13:06:34
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû
Ïà¹Ø°æ¿éÌø×ª ÎÒÒª¶©ÔÄÂ¥Ö÷ É µÄÖ÷Ìâ¸üÐÂ
²»Ó¦Öú È·¶¨»ØÌûÓ¦Öú (×¢Ò⣺ӦÖú²Å¿ÉÄܱ»½±Àø£¬µ«²»ÔÊÐí¹àË®£¬±ØÐëÌîд15¸ö×Ö·ûÒÔÉÏ)
×î¾ßÈËÆøÈÈÌûÍÆ¼ö [²é¿´È«²¿] ×÷Õß »Ø/¿´ ×îºó·¢±í
[¿¼ÑÐ] 265Çóµ÷¼Á +8 ÁºÁºÐ£Ð£ 2026-03-17 8/400 2026-03-20 14:40 by 27µÀ¿ÆÌØ
[¿¼ÑÐ] ¹¤¿Æ²ÄÁÏ085601 279Çóµ÷¼Á +6 À§ÓÚÐdz¿ 2026-03-17 8/400 2026-03-20 11:24 by kkcoco25
[¿¼ÑÐ] 307Çóµ÷¼Á +9 ÀäóÏ123 2026-03-17 9/450 2026-03-19 22:44 by ѧԱ8dgXkO
[¿¼ÑÐ] ÉúÎïѧµ÷¼ÁÕÐÈË£¡£¡£¡ +3 ɽº£Ììá° 2026-03-17 4/200 2026-03-19 21:34 by ÔõôÊÍ»³
[¿¼ÑÐ] ¸´ÊÔµ÷¼Á +4 z1z2z3879 2026-03-14 6/300 2026-03-19 17:18 by fei626-918
[¿¼ÑÐ] ²ÄÁÏרҵÇóµ÷¼Á +5 hanamiko 2026-03-18 5/250 2026-03-18 20:19 by ÐÇ¿ÕÐÇÔÂ
[¿¼ÑÐ] Ò»Ö¾Ô¸ÎäÀí²ÄÁÏ305·ÖÇóµ÷¼Á +5 ÏëÉϰ¶µÄÀðÓã 2026-03-18 6/300 2026-03-18 17:53 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] 295Çóµ÷¼Á +3 Ò»Ö¾Ô¸¾©Çø211 2026-03-18 5/250 2026-03-18 17:03 by zhaoqian0518
[¿¼ÑÐ] »¯Ñ§¹¤³Ì321·ÖÇóµ÷¼Á +15 ´óÃ×·¹£¡ 2026-03-15 18/900 2026-03-18 14:52 by haxia
[¿¼ÑÐ] 085601ר˶£¬×Ü·Ö342Çóµ÷¼Á£¬µØÇø²»ÏÞ +5 share_joy 2026-03-16 5/250 2026-03-18 14:48 by haxia
[¿¼ÑÐ] 311Çóµ÷¼Á +6 26ÑÐ0 2026-03-15 6/300 2026-03-18 14:43 by haxia
[¿¼ÑÐ] 280Çóµ÷¼Á +6 ¹¾ààÏþÏþ 2026-03-18 7/350 2026-03-18 11:25 by Î޼ʵIJÝÔ­
[¿¼ÑÐ] ²ÄÁÏ£¬·ÄÖ¯£¬ÉúÎ0856¡¢0710£©£¬»¯Ñ§ÕÐÉúÀ² +3 Eember. 2026-03-17 9/450 2026-03-18 10:28 by Eember.
[¿¼ÑÐ] 293Çóµ÷¼Á +11 zjlµÄºÅ 2026-03-16 16/800 2026-03-18 08:10 by zhukairuo
[¿¼ÑÐ] 268Çóµ÷¼Á +8 Ò»¶¨ÓÐѧÉÏ- 2026-03-14 9/450 2026-03-17 17:47 by laoshidan
[¿¼ÑÐ] 332Çóµ÷¼Á +6 Zz°æ 2026-03-13 6/300 2026-03-17 17:03 by ruiyingmiao
[¿¼ÑÐ] 302Çóµ÷¼Á +4 С¼Öͬѧ123 2026-03-15 8/400 2026-03-17 10:33 by С¼Öͬѧ123
[¿¼ÑÐ] ¿¼Ñе÷¼Á +3 ä¿ya_~ 2026-03-17 5/250 2026-03-17 09:25 by Winj1e
[¿¼ÑÐ] ҩѧ383 Çóµ÷¼Á +3 ҩѧchy 2026-03-15 4/200 2026-03-16 20:51 by Ôª×Ó^0^
[¿¼ÑÐ] 0703 ÎïÀí»¯Ñ§µ÷¼Á +3 ÎÒ¿ÉÒÔÉϰ¶µÄ¶Ô 2026-03-13 5/250 2026-03-16 10:50 by ÎÒ¿ÉÒÔÉϰ¶µÄ¶ÔÂ
ÐÅÏ¢Ìáʾ
ÇëÌî´¦ÀíÒâ¼û