Photoeffects at semiconductor-electrolyte interfaces (ACS symposium series)

Title Page......Page 1
Half Title Page......Page 3
Copyright......Page 4
ACS Symposium Series......Page 5
FOREWORD......Page 6
PdftkEmptyString......Page 0
PREFACE......Page 7
Factors which control the yield of photocurrents......Page 9
Photoredox reactions at different surfaces of layered semiconductors......Page 13
Photocurrent and anisotropy of light absorption......Page 17
The role of crystal imperfections......Page 19
Conclusions......Page 21
Literature Cited......Page 23
2 Carrier Recombination at Steps in Surfaces of Layered Compound Photoelectrodes......Page 25
The Correlation Between Surface Morphology and Solar Cell Performance of WSe2 and MoSe2 Photoanodes......Page 27
Identification of Recombination Sites by EBIC......Page 33
Discussion......Page 35
REFERENCES......Page 42
3 Rate of Reduction of Photogenerated, Surface-Confined Ferricenium by Solution Reductants Derivatized n-Type Silicon Photoanode-Based Photoelectrochemical Cells......Page 44
Background and Working Hypothesis......Page 46
Solvent Dependence of I- Oxidation......Page 48
Reduction of Surface-Ferricenium by One-Electron Reductants......Page 51
Discussion......Page 56
Summary......Page 58
Electrodes......Page 59
Electrochemistry......Page 60
Literature Cited......Page 61
4 Chemical Control of Surface and Grain Boundary Recombination in Semiconductors......Page 64
Chemical Model......Page 65
Si......Page 68
GaAs and InSb......Page 70
REFERENCES......Page 82
Chemisorption......Page 85
Surface Decomposition......Page 88
Charge Transfer......Page 91
Electromigation of Ions......Page 94
Literature Cited......Page 106
6 The Role of Interface States in Electron-Transfer Processes at Photoexcited Semiconductor Electrodes......Page 108
Quantitative Reaction Rates......Page 110
Factors Affecting Cross Section......Page 111
Experimental Examples......Page 112
Conclusions......Page 119
LITERATURE CITED......Page 121
2. Experimental......Page 124
3. Results......Page 125
4. Discussion......Page 126
Literature Cited.......Page 135
Experimental......Page 136
Results......Page 137
Discussion......Page 144
Abstract......Page 147
Literature Cited......Page 148
9 Electrochemical Behavior and Surface Structure of Gallium Phosphide Electrodes......Page 149
Results and Discussions......Page 151
Concluding Remarks......Page 159
Literature Cited......Page 161
10 Surface Aspects of Hydrogen Photogeneration on Titanium Oxides......Page 163
II. Experimental......Page 164
III. Results......Page 165
IV. Discussion......Page 177
Literature Cited......Page 181
11 Photocorrosion in Solar Cells The Enhanced Effectiveness of Stabilization Agents Due to Oxide Films1......Page 183
Results and Discussion......Page 184
Concluding Remarks......Page 191
Literature Cited......Page 193
12 Conditions for Rapid Photocorrosion at Strontium Titanate Photoanodes......Page 194
Characteristics of the Photocorrosion Process......Page 196
Proposed Mechanism of Photocorrosion......Page 202
Abstract......Page 206
Literature Cited......Page 207
13 Photoelectronic Properties of Ternary Niobium Oxides......Page 209
Effects of Composition and Structure......Page 210
Band-Gap Analysis......Page 212
Results and Discussion......Page 213
Summary and Conclusions......Page 215
Literature Cited......Page 218
Composite Electrodes......Page 219
Alloys......Page 222
Experiments......Page 224
Abstract......Page 231
Literature Cited......Page 232
15 Photoelectrochemical Systems Involving Solid-Liquid Interfacial Layers of Chlorophylls......Page 233
1. Morphological Aspects of Chlorophyll Interfacial Layers......Page 234
3. Electrochemical Energetics of Chlorophyll......Page 236
2. Intrinsic Photoelectrical Behavior of Solid Chlorophyll Films......Page 237
4. Photoelectrochemical Systems Involving Chlorophyll-Coated Semiconductor and Metal Electrodes......Page 239
5. Other Related Systems Involving Model Compounds......Page 246
6. Concluding Remarks: Relevance to Photosynthetic Model Systems.......Page 247
Literature Cited......Page 249
I. Introduction......Page 254
II. Experimental Results......Page 256
Ill. Discussion......Page 258
Literature Cited......Page 267
17 Study of the Potential Distribution at the Semiconductor-Electrolyte Interface in Regenerative Photoelectrochemical Solar Cells......Page 268
Relaxation Spectrum Analysis......Page 270
Electrolyte Electroreflectance......Page 273
ABSTRACT......Page 278
Literature Cited......Page 279
18 Luminescence and Photoelectrochemistry of Surfactant Metalloporphyrin Assemblies on Solid Supports......Page 280
Preparationn and Purification of Materials.......Page 283
Monolayer Techniques.......Page 284
Monolayer Properties.......Page 285
Luminescence Studies.......Page 288
Photoelectrochemical Studies.......Page 290
Acknowledgement......Page 292
Literature Cited......Page 294
19 Effects of Temperature on Excited-State Descriptions of Luminescent Photoelectrochemical Cells Employing Tellurium-Doped Cadmium Sulfide Electrodes......Page 295
Experimental......Page 296
Results and Discussion......Page 297
Acknowledgment......Page 303
Literature Cited......Page 304
Experiment......Page 306
Experimental Results......Page 307
Evaluation of Photocurrent......Page 315
Relation to Other Work......Page 321
Acknowledgements......Page 322
Appendix I......Page 326
Appendix II......Page 330
Balance:......Page 333
"Literature Cited"......Page 334
21 Carbanion Photooxidation at Semiconductor Surfaces......Page 336
References and Notes......Page 341
22 Fundamental Aspects of Photoeffects at the n-Gallium Arsenide-Molten-Salt Interphase......Page 342
Apparatus and Technique......Page 343
Results and Discussion......Page 344
Electrolyte Composition Effects......Page 347
Automated Admittance Measurements......Page 350
Abstract......Page 354
Literature Cited......Page 356
Theoretical Discussion......Page 358
Discussion of Experiment......Page 360
Comparison of Theory & Experiment......Page 362
Abstract......Page 366
Literature Cited......Page 367
24 Stability of Cadmium-Chalcogenide-Based Photoelectrochemical Cells......Page 368
Results......Page 369
Discussion......Page 378
Abstract......Page 383
Literature Cited......Page 384
25 Photoeffects on Solid-State Photoelectrochemical Cells......Page 385
Experimental......Page 386
Results and Discussion......Page 387
Conclusion......Page 393
Acknowledgment......Page 396
Literature Cited......Page 397
C......Page 398
E......Page 400
G......Page 402
I......Page 403
M......Page 404
P......Page 405
R......Page 407
S......Page 408
W......Page 410
Z......Page 411