Effect of Photoanode Process Sequence on Efficiency of Dye-Sensitized Solar Cells

Abstract

Owing to its contribution to carbon emission reduction, green energy has received widespread attention. Among green energy sources, solar energy is regarded as the most important. In solar energy production, dye-sensitized solar cells (DSSCs) have been favored owing to their characteristics of simple manufacturing and high efficiency as a third-generation solar cell technology. DSSCs are prospective candidates for powering indoor Internet of Things (IoT) devices. In this study, to find a method to enhance DSSCs’ efficiency, the advantages and disadvantages of the screen printing method and the mechanical pressing and annealing method were analyzed. Using an improved method, a TiO2 photoanode was processed and annealed, and the DSSCs with the photoanode showed an efficiency increase from 1.10 to 4.78%.

Design and Preparation of Bending-Resistant Flexible All-Solid Dye-Sensitized Solar Cells

“…Dye-sensitized solar cells (DSCs) offer a technically and economically alternative concept to current p-n junction photovoltaic devices [1][2][3][4]. Different from the semiconductor in p-n junction cells, which performs both light absorption and carrier transport, the light is absorbed by the sensitizer on the surface of the wide band gap semiconductor in DSC, and the charge is separated at the interface between the sensitizer and the semiconductor, and then the carrier flows to the external circuit through the conduction band of the semiconductor.…”