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Chalcogenide Photovoltaics: Physics, Technologies, and Thin Film Devices

Chalcogenide Photovoltaics: Physics, Technologies, and Thin Film Devices

Roland Scheer, Hans-Werner Schock

ISBN: 978-3-527-63372-2

Mar 2011

384 pages

Description

This first comprehensive description of the most important material properties and device aspects closes the gap between general books on solar cells and journal articles on chalcogenide-based photovoltaics.

Written by two very renowned authors with years of practical experience in the field, the book covers II-VI and I-III-VI2 materials as well as energy conversion at heterojunctions. It also discusses the latest semiconductor heterojunction models and presents modern analysis concepts. Thin film technology is explained with an emphasis on current and future techniques for mass production, and the book closes with a compendium of failure analysis in photovoltaic thin film modules.

With its overview of the semiconductor physics and technology needed, this practical book is ideal for students, researchers, and manufacturers, as well as for the growing number of engineers and researchers working in companies and institutes on chalcogenide photovoltaics.
Preface
Symbols and Acronyms

INTRODUCTION
History of Cu(In,Ga)(S,Se), Solar Cells
History of CdTe Solar Cells
Prospects of Chalcogenide Photovoltaics

THIN FILM HETEROSTRUCTURES
Energies and Potentials
Charge Densities and Fluxes
Energy Band Diagrams
Diode Currents
Light Generated Currents
Device Analysis and Parameters

DESIGN RULES FOR HETEROSTRUCTURE SOLAR CELLS AND MODULES
Absorber Bandgap
Band Alignment
Emitter Doping and Doping Ratio
Fermi Level Pinning
Absorber Doping
Absorber Thickness
Grain Boundaries
Back Contact Barrier
Buffer Thickness
Front Surface Gradient
Back Surface Gradients
Monolithic Series Interconnection

THIN FILM MATERIAL PROPERTIES
AII-BVI Absorbers
AI-BIII-C2VI Absorbers
Buffer Layers
Window Layers
Interfaces

THIN FILM TECHNOLOGY
CdTe Cells and Modules
Cu(In,Ga)(S,Se)2 Cells and Modules

PHOTOVOLTAIC PROPERTIES OF STANDARD DEVICES
CdTe Device Properties
AI-BIII-C2VI Device Properties

APPENDIX A: FREQUENTLY OBSERVED ANOMALIES
JV Curves
Colar Cell Parameters
Diode Parameters
Quantum Efficiency
Transient Effects

APPENDIX B: TABLES