ELECTROCHEMICAL-BEHAVIOR OF IRREVERSIBLY ADSORBED TELLURIUM DOSED FROM SOLUTION ON PT(H, K, L) SINGLE-CRYSTAL ELECTRODES IN SULFURIC AND PERCHLORIC-ACID MEDIA

被引：38

作者：

FELIU, JM

LLORCA, MJ

GOMEZ, R

ALDAZ, A

机构：

[1] Departament de Química Física, Universitat d'Alacant, 03080 Alacant

来源：

SURFACE SCIENCE | 1993年 / 297卷 / 02期

关键词：

D O I：

10.1016/0039-6028(93)90265-L

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The voltammetric behaviour of irreversibly adsorbed tellurium on the three platinum basal planes has been studied. It has been shown that there exists a surface redox process on both Pt(111) and Pt(100) electrodes which involves 4 electrons per adatom species. This process leads to the formation of oxygenated tellurium adspecies that remain stable on the surface. For both Pt(111) and Pt(100) electrodes adatom desorption takes place at higher potential values than those corresponding to the surface redox process. However, in the case of Pt(110) electrodes the first oxidation process leads to the dissolution of the adlayer.

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页码：209 / 222

页数：14

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共 34 条

[1] STRUCTURAL EFFECTS IN ELECTROCATALYSIS - OXYGEN AND HYDROGEN-PEROXIDE REDUCTION ON SINGLE-CRYSTAL GOLD ELECTRODES AND THE EFFECTS OF LEAD AD-ATOMS [J].

ADZIC, RR ;

MARKOVIC, NM .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1982, 138 (02) :443-447

[2] EFFECT OF BI AND SN ADATOMS ON FORMIC-ACID AND METHANOL OXIDATION AT WELL DEFINED PLATINUM SURFACES [J].

CAMPBELL, SA ;

PARSONS, R .

JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS, 1992, 88 (06) :833-841

[3] AN IRREVERSIBLE STRUCTURE SENSITIVE ADSORPTION STEP IN BISMUTH UNDERPOTENTIAL DEPOSITION AT PLATINUM-ELECTRODES [J].

CLAVILIER, J ;

FELIU, JM ;

ALDAZ, A .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1988, 243 (02) :419-433

[4] INSITU PROBING OF STEP AND TERRACE SITES ON PT(S)-[N(111)X(111)] ELECTRODES [J].

CLAVILIER, J ;

ELACHI, K ;

RODES, A .

CHEMICAL PHYSICS, 1990, 141 (01) :1-14

[5] ELECTROCHEMICAL MONITORING OF THE THERMAL REORDERING OF PLATINUM SINGLE-CRYSTAL SURFACES AFTER METALLOGRAPHIC POLISHING FROM THE EARLY STAGE TO THE EQUILIBRIUM SURFACES [J].

CLAVILIER, J ;

ELACHI, K ;

PETIT, M ;

RODES, A ;

ZAMAKHCHARI, MA .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1990, 295 (1-2) :333-356

[6] ELECTROCHEMICAL-BEHAVIOR OF IRREVERSIBLY ADSORBED BISMUTH ON PT (100) WITH DIFFERENT DEGREES OF CRYSTALLINE SURFACE ORDER [J].

CLAVILIER, J ;

FELIU, JM ;

FERNANDEZVEGA, A ;

ALDAZ, A .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1989, 269 (01) :175-189

[7] THE BEHAVIOR OF LEAD AND BISMUTH ADATOMS ON WELL-DEFINED PLATINUM SURFACES [J].

FELIU, JM ;

FERNANDEZVEGA, A ;

ORTS, JM ;

ALDAZ, A .

JOURNAL DE CHIMIE PHYSIQUE ET DE PHYSICO-CHIMIE BIOLOGIQUE, 1991, 88 (7-8) :1493-1518

[8] NEW OBSERVATIONS OF A STRUCTURE SENSITIVE ELECTROCHEMICAL-BEHAVIOR OF IRREVERSIBLY ADSORBED ARSENIC AND ANTIMONY FROM ACIDIC SOLUTIONS ON PT (111) AND PT (100) ORIENTATIONS [J].

FELIU, JM ;

FERNANDEZVEGA, A ;

ALDAZ, A ;

CLAVILIER, J .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1988, 256 (01) :149-163

[9] ELECTROCHEMICAL-BEHAVIOR OF IRREVERSIBLY ADSORBED SELENIUM DOSED FROM SOLUTION ON PT(H,K,L) SINGLE-CRYSTAL ELECTRODES IN SULFURIC AND PERCHLORIC-ACID MEDIA [J].

FELIU, JM ;

GOMEZ, R ;

LLORCA, MJ ;

ALDAZ, A .

SURFACE SCIENCE, 1993, 289 (1-2) :152-162

[10] ARRANGEMENT OF AD-ATOMS OF VARIOUS KINDS ON SUBSTRATES .1. PLATINUM SUBSTRATE [J].

FURUYA, N ;

MOTOO, S .

JOURNAL OF ELECTROANALYTICAL CHEMISTRY, 1979, 98 (02) :189-194

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