Monocrystalline silicon piece

• Main Author: ZHANG ZHONGAN
• Format: Patent
• Language: Chinese; English
• Published: 22.06.2016
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGYGENERATION, TRANSMISSION OR DISTRIBUTION; SEMICONDUCTOR DEVICES; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE

The utility model discloses a monocrystalline silicon piece, including the monocrystalline silicon piece main part, the positive matte structure that is unevenness of monocrystalline silicon piece main part, the monocrystalline silicon piece main part back is planar structure, even doping distribution has the gallium in the monocrystalline silicon piece main part, the matte structure of monocrystalline silicon main part is the profile of tooth structure, the utility model discloses simple structure is through mixing the gallium in the monocrystalline silicon piece main part for monocrystalline silicon piece resistivity realizes the level the same with the boron doping in the prerequisite of costneutrality, has realized the utilization of crystal 100% and has restrained the light decay more than 95%, on average eliminates 6% light decay, is equivalent to that efficiency improves one percentage point, cost reduction 6%, and produced huge economic benefits. 本实用新型公开了一种单晶硅片，包括单晶硅片主体，单晶硅片主体正面为凹凸不平的绒面结构，所述单晶硅片主体背面为平