Photoconductivity of Quantum Dot Films Towards Third-Generation Solar Cells

Colloidal semiconductor nanoparticles, also called quantum dots, have unique opto-electronic properties that make them promising candidates for many applications such as solar cells, light–emitting diodes, lasers, or biological imaging. One of the most interesting features is that the bandgap energy can be tuned by changing the particle size....

Photogeneration and dynamics of charge carriers in the conjugated polymer poly(3-hexylthiophene)

The conjugated polymer poly(3-hexylthiophene) is a promising candidate for applications in organic thin-film electronic and optoelectronic devices. This dissertation addresses fundamental issues regarding the photogeneration and recombination dynamics of charge carriers in this polymer. Measurements were carried out using an electrodeless, low...