Content: Preface APPLICATIONS OF ELECTROCHEMISTRY IN THE FABRICATION AND CHARACTERIZATION OF THIN-FILM SOLAR CELLS Introduction Electrochemical Routes to Thin-Film Solar Cells Characterization of Solar Cell Materials using Electrolyte Contacts Conclusions TAILORING OF INTERFACES FOR THE PHOTOELECTROCHEMICAL CONVERSION OF SOLAR ENERGY Introduction Operation Principles of Photoelectrochemical Devices Surface and Interface Analysis Methods Case Studies: Interface Conditioning Photovoltaic, Photoelectrochemical Devices Photoelectrocatalytic Devices Synopsis PRINTAB LE MATERIALS AND TECHNOLOGIES FOR DYE-SENSITIZED PHOTOVOLTAIC CELLS WITH FLEXIBLE SUBSTRATES Introduction: Historical Background Low-Temperature Coating of Semiconduc tor Films Photoelectric Performance of Plastic Dye-Sensitized Photocells Polymer-Based Counter Electrodes with Printable Materials Investigation of High-Extinction Sensitizers and Co-Adsorbents Durability Development for Plastic DSSCs Fabrication of Large-Area Plastic DSSC Modules Concluding Remarks ELECTRODEPOSTIED POROUS ZnO SENSITIZED BY ORGANIC DYES - PROMISING MATERIALS FOR DYE-SENSITIZED SOLAR CELLS WITH POTENTIAL APPLICATION IN LARGE-SCALE PHOTOVOLTAICS Introduction Electrodeposition - A Well-Established Technology Electrodeposition of ZnO Thin Films Sensitization of ZnO Alternative Sensitizer Molecules Electrodeposition of Hybrid ZnO/Organic Thin Films Porous Crystalline Networks of ZnO as Starting Material for Dye-Sensitized Solar Cells Adaption of Electrodeposition Towards Specific Demands of Alternative Substrate Materials State of the Art and Outlook THIN-FILM SEMICONDUCTORS DEPOSITED IN NANOMETRIC SCALES BY ELECTROCHEMICAL AND WET CHEMICAL METHODS FOR PHOTOVOLTAIC SOLAR CELL APPLICATIONS Introduction Materials and Composite Materials Fabrication Systems Development Conclusions and Perspectives