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电化学  2006 

铁氰化钆修饰电极的制备及表征

, PP. 382-387

Keywords: 电沉积,化学修饰电极,铁氰化钆

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Abstract:

应用电化学循环扫描法于玻碳电极表面沉积并形成铁氰化钆修饰电极(GdHCF/GC),扫描电镜(SEM)显示,有两种大小和外形明显不同的颗粒状GdHCF附着在电极表面.红外光谱表明,GdCHF的C≡N弯曲振动吸收峰出现在2062.5cm-1处.循环伏安法测试表明,在0.2mol/LNaCl溶液中,GdHCF/GC电极出现两对氧化还原峰,扫速为20mV/s时,其氧化还原峰的式量电位分别为E0’(I)=192.5mV和E0’(II)=338.5mV.研究了不同支持电解质对GdHCF/GC电极电化学性能的影响,GdHCF对Na+离子有优先选择性.

References

[1]  Karyak in A A.Prussian b lue and its analogues:electro-chem istry and analytical app lications[J].E lectroanaly-sis,2001,13:813~819.
[2]  de Taccon i N R,Rajeshwar K,Lezna R O.M etalhexacyanoferrates:electrosynthesis,in situ characteriza-tion,and app lication[J].Chem.M ater.,2003,15:3046~3062.
[3]  Xun Z Y,Cai C X,X ingW,et al.E lectrocatalytic oxi-dation of dopam ine at a cobalt hexacyanoferrate mod ifiedglassy carbon electrode prepared by a new m ethod[J].J.E lectroanal.Chem.,2003,545:19~27.
[4]  Xun Z Y,Cai C X,Lu T H.E ffects of a surfactant onthe electrocatalytic activity of cobalt hexacyanoferratemod ified glassy carbon electrode toward dopam ine oxida-tion[J].E lectroanalysis,2004,16:674~683.
[5]  Xun Zh i-yin(荀志银),Cai Chen-xin(蔡称心),X ingW e i(邢巍),et al.A new m ethod on fabrication of acobalt hexacyanoferrate mod ified glassy carbon electrodeand electrocatalytic reaction of dopam ine there on[J].Ch inese J.App l.Chem.(in Ch inese),2003,20:499~501.
[6]  Cai C X,Xue K H,Xu SM.E lectrocatalytic activity ofcobalt hexacyanoferrate mod ified glassy carbon electrodetoward ascorb ic ac id oxidation[J].J.E lectroanal.Chem.,2000,486:111~118.
[7]  Cu i X P,Hong L,L in X Q.E lectrochem ical prepara-tion,characterization and app lication of electrodesmod i-fied w ith hybrid hexacyanoferrates of copper and cobalt[J].J.E lectroanal.Chem.,2002,526:115~124.
[8]  Lezna R O,Rom agnoli R,Taccon i N R,et al.Cobalthexacyanoferrate:compound stoich iom etry,infraredspectroelectrochem istry,and photoinduced electrontransfer[J].J.Phys.Chem.B,2002,106:3612~3621.
[9]  L iu S Q,Chen H Y.Spectroscop ic and voltamm etricstud ies on a lanthanum hexacyanoferrate mod ified elec-trode[J].J.E lectroanal.Chem.,2002,528:190~195.
[10]  Cai Chen-xin(蔡称心),Zhao Dong-jiang(赵东江),W ang Bao-chen(王宝忱).An impedance study of thehydrogen storage electrode[J].Chem.J.Ch ineseUn iv.(in Ch inese),1993,14:1419~1422.
[11]  Van D ruten G M R,LabbéE,Pau l-BoncourV,et al.E lectrocatalytic hydrogenation of alkenes on LaN i5elec-trodes[J].J.E lectroanal.Chem.,2000,487:31~36.
[12]  Zhao S,S in J K O,Xu B,et al.A h igh perform anceethanol sensor based on field-effect transistor using aLaFeO3nano-crystalline th in-film as a gate electrode[J].Sens.Actuat.B,2000,64:83~87.
[13]  Jiang H J,Huang X H,W ang X F,et al.Promotoreffect of La3+on the electrochem ical reaction of m i-croperoxidase-11[J].J.E lectroanal.Chem.,2003,545:83~88.
[14]  W u P,Cai C X.E lectrochem ical preparation and char-acterization of sam arium hexacyanoferrate mod ified e-lectrode[J].J.E lectroanal.Chem.,2004,569:143~150.
[15]  W u P,Cai C X.E lectrochem ical preparation and char-acterization of lanthanum hexacyanoferrate mod ified e-lectrode[J].Ch in.J.Chem.,2005,23:127~131.
[16]  W u P,Cai C X.The solid state electrochem istry ofdysprosium(III)hexacyanoferrate(II)[J].E lectro-analysis,2005,17:1583~1588.
[17]  W u P,Cai C X.Solvent effects on the solid-state elec-trochem istry of sam arium(III)hexacyanoferrate(II)[J].J.E lectroan l.Chem.,2005,576:49~56.
[18]  W u P,Sh iY M,Cai C X.E lectrochem ical preparationand characterization of dysprosium hexacyanoferratemod ified electrode[J].J.Solid State E lectrchem.,2006,10:270~276.
[19]  Cu i X ing-p in(崔兴品),W ang X ia-yan(汪夏燕),Zhang Le i(张雷),et al.E lectrochem istry,XRD andXPS of a p latinum electrode mod ified w ith hybridhexacyanoferrate film s of copper and cobalt[J].ActaCh im ica S in ica,2002,60:704~710.
[20]  Bard A J,Fau lkner L R.E lectrochem ical M ethods,Fundam entals and App lications[M].2nd Ed ition.New York:John W iley&Sons,Inc,2001.
[21]  Ku lesza P J,M alikM A,Berretton iM,et al.E lectro-chem ical charging,countercation accommodation,andspectrochem ical identity of m icrocystalline solid cobalthexacyanoferrate[J].J.Phys.Chem.B,1998,102:1870~1876.

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