| OBJECTIVES AND IMPORTANCE OF THE CONFERENCE |
Renewable energy and energy efficiency technologies are key to creating a clean energy future for not only the nation, but the world. Traditional solar cells made from silicon, are usually flat-plate, and generally are the most efficient. Second-generation solar cells are called thin-film solar cells because they are made from amorphous silicon or nonsilicon materials such as gallium arsenide and cadmium telluride. Thin film solar cells use layers of semiconductor materials only a few micrometers thick. Because of their flexibility, thin film solar cells can double as rooftop shingles and tiles, building facades, or the glazing for skylights. For large electric utility or industrial applications, hundreds of solar arrays are interconnected to form a large utility-scale PV system.
To identify areas for the applications of Science and Technology to the development needs, objectives and goals of Tamil Nadu, and in particular, to the prevailing conditions of backwardness, rural, unemployment and poverty.
Third-generation solar cells are being made from variety of new materials besides silicon, including solar inks using conventional printing press technologies, solar dyes, and conductive plastics. Some new solar cells use plastic lenses or mirrors to concentrate sunlight onto a very small piece of high efficiency PV material. The PV material is more expensive, but because so little is needed, these systems are becoming cost effective for use by utilities and industry.
Many power plants today use fossil fuels as a heat source to boil water. The steam from the boiling water spins a large turbine, which drives a generator to produce electricity. However, a new generation of power plants with concentrating solar power systems uses the sun as a heat source. Today, many buildings are designed to take advantage of this natural resource through the use of passive solar heating and daylighting.
Recent developments in optoelectronic materials have extended device capabilities beyond those of the silicon. Gallium nitride and related alloys based devices especially LEDS (light emitting diodes) is used to replace conventional display systems and lighting which has potential of saving 30 % or more energy that is being utilized for the above purposes. For such devices many separate layers in the form of thin films with controlled doping may be necessary. To produce one of these device demands extreme processing sophistication. The preparation of devices such as photovoltaics, dye sensitized solar cells and many more requires an in-depth understanding of materials science. Extensive theoretical and experimental activities on the nano materials and integrated electronics and device fabrication are going on at the different parts of our country.
Therefore the objective of this International workshop focusing on the current trends and developments Science, Technology and Industry, is to train the researchers of the University/National Laboratories establishments working in the fascinating and technologically important field of renewable energy by giving them an overview and an opportunity to explore established new concepts and emerging technologies in renewable energy.
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Anna University Chennai Progress through Knowledge |
Renewable energy has the potential to create many employment opportunities at all levels, especially in rural areas.
Development of comprehensive educational and awareness modules for renewable energy systems. Development of cost-effective, high-efficiency and long-lasting photovoltaic cells. Mandatory renewable energy systems provision for new residential, commercial and industrial buildings
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