@proceedings {7123,
	title = {"Porous Silicon Modified Photovoltaic Junctions - An Approach to High-Efficiency Solar Cells{\textquotedblright}},
	journal = { Modern Trends in Physics Research; American Institute of Physics },
	year = {2007},
	pages = {29-36},
	publisher = {(AIP Conference Proceedings,     Volume 888, Melville, New York, 2007, Pages 29-36. },
	address = {Cairo Univ.,Faculty of Sci. Cairo Egypt},
	author = {W. A. Badawy}
}
