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¡° 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±£¡ |
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