Polymer-Based Solar Cells

Dear Colleagues,

Today the world has serious energy problems due to various technological developments and the large energy consumption. In order to meet the exponential growth in energy demand, new energy systems must be developed to replace fossil fuels in order to limit CO₂ emissions to ensure a sustainable future environment. Solar cells have been studied for a long time as a next-generation energy system owing to their promise as an environmentally friendly and infinite energy source.

Organic/inorganic and hybrid semiconductor-based electronic devices (e.g. photovoltaic cells, photo-sensors, thin film transistors, and light-emitting diodes) have the potential to provide a solution to present energy issues and to fulfil our future needs by fabricating large surface area, lightweight, and flexible panels through low-cost casting techniques.

In order to improve the performance of polymer-based solar cells, many strategies have been introduced such as: 1) synthesizing electron donor and acceptor materials with a wide absorption range; 2) higher charge carrier mobility (electrical parameters); 3) controlling the nano-morphology; 4) efficient buffer layers; 5) flexible conductive electrodes; and 6) development of new device structures and process, etc.

The aim of this Special Issue is to highlight the progress and phenomena related to organic electronic devices such as photovoltaic cells, photo-sensors, thin film transistors, and light-emitting diodes, etc. We look forward to your contribution describing your recent promising research.

Prof. Dr. Dong Hwan Wang
Guest Editor

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