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1、ReviewofPolarography,Vol.61,No.1,(2015)13)N.Oyama,T.Hirokawa,S.Yamaguchi,N.Hotta,T.Osakai,Anal.Chem.,74,1177–2014年志方メダル受賞記念総説Ushizawa,T.Shimomura,Anal.Chem.,59,1181(2002).AwardReviewArticle,2014ShikataMedal258–262(1987).18)A.Yoshizumi,A.Uehara,M.Kasuno,Y.14)S.Dong,Z.Su
2、n,Z.Lu,J.Chem.Soc.Chem.Kitatsuji,Z.Yoshida,S.Kihara,J.RecentAchievementsintheAnalysisoftheElectrochemicalCommun.,993–995(1988).Electroanal.Chem.,581,275–283(2005).15)A.Ivaska,Electroanalysis,3,247–25419)Y.Yoshida,K.Maeda,O.Shirai,J.PropertiesofPolyoxometalates(1991).El
3、ectroanal.Chem.,578,17–24(2005).TadaharuUeda16)Y.Yoshida,S.Nakamura,J.Uchida,A.20)Y.Yoshida,K.Maeda,O.Shirai,J.Nucl.DepartmentofAppliedScience,FacultyofScience,KochiUniversity,Kochi,780-8520,JapanHemmi,K.Maeda,J.Electroanal.Chem.,Radiochem.Sci.,6,61–64(2005).E-mail:chu
4、ji@kochi-u.ac.jp707,95–101(2013).21)Y.Yoshida,K.Maeda,O.Shirai,T.Ohnuki,17)S.Sawada,M.Taguma,T.Kimoto,H.Chem.Lett.,35,132–133(2006).ReceivedApril13,2015Polyoxometalates(POMs)havebeenstudiedforca.200yearssincethefirstreportonthesynthesisof(NH4)3PMo12O40in1826.Evennow,no
5、velPOMsarestillbeingprepared,characterizedandappliedtovariousfields.Multi-step,multi-electrontransfersreversiblyoccurformanyredoxactivePOMs,whichisinterestingtomanyelectrochemists.Recently,theelectrocatalyticbehaviourofPOMshasbeenfocussedonduetothepotentialasasolutionf
6、orenergyproblems.However,unclearaspectsremainintermsofthefundamentalelectrochemicalpropertiesofPOMs.ThisarticlereviewsrecentachievementsontheelectrochemistryofPOMsinthesolutionphase.Keywords:Polyoxometalate,Keggin,Wells–Dawson,simulation,redoxmechanismIntroductiononthe
7、Keggin-typeandtheWells-Dawson-typePolyoxometalates(POMs)areaclassofstructuresareredoxactive.Multi-electrontransfersmetal-oxideclusters.Theyconsistofaddendaatoms,reversiblyoccurinmulti-steps,whichareuniquesuchastungstenandmolybdenum,heteroatoms,chemicalproperties,rather
8、thanmetalcomplexessuchasphosphorusandsilicon,andoxygenatoms,withvariousligands.Inaddition,reducedspeciesorwhicharebon