Research

Solar photovoltaics

Photovoltaics

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comicrack mac free dry feet cracked skin The Durrant group solar cell team has a primary research interest in the development and understanding of low cost, printed photovoltaic technologies for harnessing solar energy to produce electricity. It has previously studied on dye-sensitised solar cells; more recently the team has focused on solar cells fabricated from organic polymers and small molecules (OPV) and, since 2014, perovskite solar cells. The image highlihgts the brilliant range of colours OPV can be, including some exciting non-fullerene acceptor (NFA) materials that the group is currently working on. These technologies have the potential to be efficient, light weight and flexible whilst being manufactured at low cost on a large area through solution processing.

descargar crack para warcraft 3 reign of chaos no cd The group undertakes fundamental scientific studies of new materials and device concepts, aiming to elucidate design principles which enable technological development. Our work addresses both material thin films and complete devices. One of the main branches of research within the Durrant group is based around using transient laser spectroscopies to undertake photochemical and photophysical studies of light driven electron and energy transfer reactions on relevant timescales. These experiments allow the study of the fundamental charge generation and recombination processes that occur within a solar cell. These spectroscopic studies are supplemented with a range of opto-electronic experimental techniques, these measure the electronic response of a complete solar cell to various illuminations. These techniques offer a broad spectrum of analytic tools that have proved vital in analysing recombination loss processes that define the power conversion efficiencies of organic solar cells. These studies are corrlated with studies of materials structure on the nanometre length scale and therefore the nano-morphology and the use of nanostructured materials is a key component of our research.

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Solar fuels

Solar-driven fuel synthesis

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Figure1. The kinetics of photoanode function studied by transient spectroscopies in the Durrant group.

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Figure 2. Electron transfer reactions occurring between a semiconductor functionalized with a molecular photosensitiser and a catalyst for H+ reduction