Chemisorption And Reactions On Metallic Films V1

1st Edition - January 1, 1971
Editor: J Anderson
Language: English
eBook ISBN:
9 7 8 - 0 - 3 2 3 - 1 4 5 6 9 - 5

Chemisorption and Reactions on Metallic Films, Volume 1 is a six-chapter text that describes the role of evaporated metal films in advancing the understanding of the metal-gas… Read more

Chemisorption And Reactions On Metallic Films V1

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Chemisorption and Reactions on Metallic Films, Volume 1 is a six-chapter text that describes the role of evaporated metal films in advancing the understanding of the metal-gas interface chemistry. Chapter 1 presents electron microscopy and diffraction studies and their contributions in elucidating the growth and structure of polycrystalline and epitaxially grown films. Chapter 2 describes the techniques of preparation and characterization of metallic films and examines the heats of adsorption, electrical conductivity, surface area, and sticking probabilities of such films. Chapter 3 discusses the strength of pairwise interactions; the influence of the intermetallic bond on the equilibrium shape of metal crystallites; the bonding of individual metal atoms to different crystallographic planes; the interaction of metal atoms and crystallites with non-conducting substrates; and the effects of residual gases on this interaction. Chapters 4 and 5 address the adsorption of metallic films, with an emphasis on general trends in adsorptive and electronic properties of bulk metals. These chapters also discuss the effects of adsorption on the electrical conductance of island-like and coherent films and on the ferromagnetic properties of films. Chapter 6 evaluates the application of infrared spectroscopy to the studies of the surfaces of metal films and the use of the available infrared spectroscopic data in reconciling the results of adsorption studies on oxide-supported metal particles with those obtained with clean evaporated metal films prepared under ultra high vacuum conditions. Research scientists and graduate students who are interested in the fundamentals of adsorption and catalysis will find this volume invaluable.

Volume One

List of Contributors

Preface

Chapter 1 Structure of Evaporated Metal Films

I. Introduction

II. Techniques of Electron Microscopy and Diffraction

III. Mechanism of Growth of Films

IV. Epitaxial Films

V. Defects in Films

VI. Influence of Deposition Parameters on Structure

VII. Conclusions

References

Chapter 2 Experimental Techniques

I. Introduction

II. Vacuum Apparatus

III. Gas Handling

IV. Pressure Measurement and Gas Analysis

V. Vapour Deposited Films

VI. Evaporated Film Techniques

VII. Oriented Films

VIII. Alloy Films

IX. Characterization of Films

X. Infrared Spectra of Adsorbed Molecules

XI. Work Functions and Surface Potentials

XII. Emission of Electrons and Ions

XIII. Heats of Adsorption

XIV. Measurements of Electrical Conductivity

XV. Surface Area Determination

XVI. Sticking Probabilities

References

Chapter 3 Fundamental Concepts in Film Formation

I. Introduction

II. Energetics

III. Kinetics

References

Chapter 4 Gas Adsorption

I. Introduction

II. Clean Surfaces

III. Relative Merits of Different Types of Adsorbent

IV. Classification and General Characteristics of Gas

V. The Electronic Theory of Metals and Metal Surfaces

VI. The Variation of Activity in Adsorption among the Metals and Semimetals

VII. Variation of Binding Energy with Surface Coverage and the Nature of the Surface Species

VIII. The Nature of the Surface Bond

References

Chapter 5 The Influence of Adsorption on Electrical and Magnetic Properties of Thin Metal Films

I. Introduction

II. Theoretical

III. Effects of Adsorption on Electrical and Magnetic Properties of Vapour Deposited Metal Films

References

Chapter 6 Infrared Spectra of Surface Species

I. Introduction

II. Experimental Technique Used in Infrared Study of Adsorption Systems

III. Carbon Monoxide and Carbon Dioxide on Metal Surfaces

IV. Adsorption of Nitrogen on Metal Surfaces

V. Adsorption of Hydrogen on Metal Surfaces

VI. Adsorption of Hydrocarbons on Metal Surfaces

VII. Future Developments of the Technique

References

Author Index

Subject Index

Volume Two

List of Contributors

Preface

Chapter 7 Adsorption, Kinetics and Surface Structure in Catalysis

I. Introduction

II. The Surface Structure of Metal Films

III. Adsorption Equilibria

IV. Kinetic Processes at Surfaces

References

Chapter 8 Catalytic Reactions on Metal Films

I. Introduction

II. The Adsorbed State

III. Exchange Reactions of Saturated Molecules

IV. Hydrogenation of Unsaturated Molecules

V. Hydrogenolysis and Skeletal Isomerization Reactions

VI. Oxidation and Dehydrogenation Reactions

VII. Prognosis for Future Work

References

Chapter 9 Properties and Reactions of Alloy Films

I. Introduction

II. Preparation

III. Characterization and Structure

IV. Surface Properties

References

Chapter 10 The Oxidation of Evaporated Metal Films

I. Introduction

II. A Review of the Oxidation of Metals

III. The Oxidation of Evaporated Metal Films

IV. Conclusions

References

Author Index

Subject Index