New organic solar cell opens new basic energy strategy
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In the future, solar cells will become light and mechanically flexible, and they will be produced at low cost with the help of the printing process. POPUP is a new project funded by the German Federal Ministry of Education and Research (BMBF) and aims to develop more efficient materials and new structures for organic photovoltaic devices. Recently, an interdisciplinary team led by Dr. Alexander Colsmann from the Institute of Light Technology (LTI) of the Karlsruhe Institute of Technology (KIT) in Germany is working to improve the basic understanding and develop a new system for translucent and opaque solar cell modules. structure.
The project lasted for three years with a large number of participants, including ten famous universities, research institutes and enterprises in various fields. Its total R&D budget was 16 million Euros, of which BMBF funded 8.2 million Euros, and the rest was borne by companies involved in the project. . KIT's tasks in this project include developing in-depth understanding and learning new architectures that work closely with industry partners for semi-transparent and opaque solar cells and modules.
The POPUP project aims to harness the power of new organic solar cells to produce electricity. To achieve this goal, the R&D team plans to research and develop more efficient and stable materials in a way that can be produced at a low cost and suitable for industrial printing coatings. At the same time, they need to develop new materials that are rigid, flexible and flexible to produce translucent/opaque materials. Solar cell module.
Depending on the application, solar cells can be divided into flexible plastic films or rigid glass carriers. In the field of organic solar cells, KIT scientists studied two goals, namely the development of fully printable solar cells and the replacement of indium tin oxide (ITO) electrode materials. The difference is that scientists use transparent conductive flakes as a flexible carrier, while for glass carriers, they study the deposition of transparent electrodes in the microstructure of metals and in conductive buffer layers. In addition, KIT's research team is focused on making organic semiconductors using highly translucent micro modules for solar cells.
From a near-term and long-term perspective, these industry companies plan to manufacture organic solar battery modules through competitive mass production methods. These solar modules will be integrated into future automotive power supplies, automotive electronics, buildings and glass facades, providing power for independent buildings and equipment, emergency systems, transportation and navigation equipment. This new technology will also be used to charge off-grid-powered leisure activities or mobile consumer devices. In this process, the results obtained by KIT researchers will directly affect various applications.
POPUP as a "basic research energy 2020+" project has been included in the German Federal Government's high-tech development implementation strategy.
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