Photovoltaics: Life-cycle analyses
En savoir plus, Solar Energy, 85 (8), p.1609, Aug 2011 doi:10.1016/j.solener.2009.10.002Abstract Life-cycle analysis is an invaluable tool for investigating the environmental profile of a product or technology from cradle to grave. Such life-cycle analyses of energy technologies are essential, especially as material and energy flows ...
Date : 23/07/2011 - Source : Scirus Patent
Towards sustainable photovoltaics: the search for new materials
En savoir plus, Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 369 (1942), p.1840-1856, May 2011 doi:10.1098/rsta.2010.0348The opportunities for photovoltaic (PV) solar energy conversion are reviewed in the context of projected world energy demands for the twenty-first century.
Date : 05/06/2011 - Source : Scirus Patent
Optical response of grain boundaries in upgraded metallurgical-grade silicon for photovoltaics
En savoir plus, Solar Energy Materials and Solar Cells, In Press, Corrected Proof,May 2011 doi:10.1016/j.solmat.2011.04.039Abstract Using upgraded metallurgical-grade silicon (UMG-Si) is a cost-effective and energy-efficient approach for the production of solar cells. Grain boundaries (GBs) play a major role in determining the device performance of multicrystalline Si ...
Date : 05/06/2011 - Source : Scirus Patent
Angle-resolved characteristics of silicon photovoltaics with passivated conical-frustum nanostructures
En savoir plus, Solar Energy Materials and Solar Cells, In Press, Corrected Proof,May 2011 doi:10.1016/j.solmat.2011.05.010Abstract Passivation plays a critical role in silicon photovoltaics, yet how a passivation layer affects the optical characteristics of nano-patterned surfaces has rarely been discussed. In this paper, we demonstrate conical-frustum nanostructures ...
Date : 05/06/2011 - Source : Scirus Patent
Fast determination of impurities in metallurgical grade silicon for photovoltaics by instrumental neutron activation analysis
En savoir plus, Applied Radiation and Isotopes, In Press, Accepted Manuscript,May 2011 doi:10.1016/j.apradiso.2011.05.024Abstract Standard wafer solar cells are made of near-semiconductor quality silicon. This high quality material makes up a significant part of the total costs of a solar module. Therefore, new concepts with less expensive so called solar grade ...
Date : 05/06/2011 - Source : Scirus Patent
Introduction to the special issue on organic photovoltaics and dye sensitized solar cells
En savoir plus, Solar Energy, 85 (6), p.1171, Jun 2011 doi:10.1016/j.solener.2011.04.007With the steady 30–40% yearly growth of photovoltaic (PV) deployments during the last decade, PV power generation is a serious player among other renewable energy sources. Research and development in the PV field is therefore increasingly important. ...
Date : 05/06/2011 - Source : Scirus Patent
Developing perylene diimide based acceptor polymers for organic photovoltaics
En savoir plus, Synthetic Metals, 161 (11-12), p.1014, Jun 2011 doi:10.1016/j.synthmet.2011.03.009Abstract Perylene diimides are known as promising n-type semiconductor building blocks. Here we report the synthesis and characterization of a set of three soluble poly(perylene diimide)s and their preliminary characterization in organic ...
Date : 05/06/2011 - Source : Scirus Patent
Dimethyl-2H-benzimidazole based small molecules as donor materials for organic photovoltaics
En savoir plus, Solar Energy Materials and Solar Cells, 95 (7), p.1838, Jul 2011 doi:10.1016/j.solmat.2011.02.005Abstract Utilization of 2,2-dimethyl-2H-benzimidazole has received strong attention as the electron-deficient unit for the generation of electron donor material for organic photovoltaic cells (OPVs). This paper reports the first small organic ...
Date : 05/06/2011 - Source : Scirus Patent
Photochemical “Self-healing” pyrrole based treatment of CdS/CdTe photovoltaics
En savoir plus, Solar Energy Materials and Solar Cells, 95 (7), p.1716, Jul 2011 doi:10.1016/j.solmat.2011.01.038Abstract An improved post-deposition treatment for CdS/CdTe photovoltaic devices has been developed. Aqueous solutions containing pyrrole and sodium chloride provide a treatment of the CdTe surface when the device is illuminated with visible ...
Date : 05/06/2011 - Source : Scirus Patent
Natural convection in an internally finned phase change material heat sink for the thermal management of photovoltaics
En savoir plus, Solar Energy Materials and Solar Cells, 95 (7), p.1598, Jul 2011 doi:10.1016/j.solmat.2011.01.008Abstract Elevated operating temperatures reduce the solar to electrical conversion efficiency of building integrated photovoltaic devices (BIPV). Phase change materials (PCM) can be used to passively limit this temperature rise although their ...
Date : 05/06/2011 - Source : Scirus Patent