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Novel Reactor Design and Method for Atmospheric Pressure Chemical Vapor Deposition of Micro and Nano SiO2-x Films in Photovoltaic Applications
A laboratory-scale reactor and a novel method for the atmospheric pressure chemical vapor deposition (APCVD) of SiO2-x films are developed. The deposited films are investigated to synthesize heterogeneously upon the substrate surface with the elimination of the so-called gas-phase reaction, hence preventing parasitic oxide particles upon the substrate surface and the reactor inner walls. The films are extensively inspected in terms of chemical and optical properties and utilized for crystalline silicon solar cell applications. Simple reactor design with low safety measures, a wide range of deposition rates, high film resilience, and stability for the intended applications are successfully achieved. The newly developed APCVD SiO2-x is proven to protect the Si wafer surface against texturing in alkaline and acidic solutions. Electroplated metallization schemes of heterojunction and passivated emitter rear contact solar cells are examined with the use of the SiO2-x as a masking layer in the grid electrode-free area.
The Weekly Review
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Kenya Gazette
The Kenya Gazette is an official publication of the government of the Republic of Kenya. It contains notices of new legislation, notices required to be published by law or policy as well as other announcements that are published for general public information. It is published every week, usually on Friday, with occasional releases of special or supplementary editions within the week.
Kenya Gazette
The Kenya Gazette is an official publication of the government of the Republic of Kenya. It contains notices of new legislation, notices required to be published by law or policy as well as other announcements that are published for general public information. It is published every week, usually on Friday, with occasional releases of special or supplementary editions within the week.
Kenya Gazette
The Kenya Gazette is an official publication of the government of the Republic of Kenya. It contains notices of new legislation, notices required to be published by law or policy as well as other announcements that are published for general public information. It is published every week, usually on Friday, with occasional releases of special or supplementary editions within the week.
Chess Results, 1986-1988
This reference work continues a comprehensive series chronicling men's chess competitions. Listed in this volume are the results of chess competitions from all over the world--including individual and team matches--from 1986 through 1988. Entries record location and, when available, the group that sponsored the event. First and last names of players are included whenever possible and are standardized for easy reference. Compiled from contemporary sources such as newspapers, periodicals, tournament records and match books, this work contains 843 tournament crosstables and 130 match scores, and is indexed by events and by players.
