Organometallic and hydrocarbon additives for use with aluminum back solar cell contacts

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United States of America Patent

PATENT NO 9680036
APP PUB NO 20120186647A1
SERIAL NO

13342231

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Abstract

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A method of reducing bow and/or improving the electrical performance of an aluminum back contacted silicon solar cell includes applying to a silicon wafer substrate a paste including aluminum and an organometallic compound, and firing the substrate. The organometallic compound is a C1 to C30 organometallic compound of a metal selected from the group consisting of Ag, Al, Ba, Bi, Ca, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Mo, Na, Nd, Ni, Sb, Si, Sn, Sr, Ta, V, Zn, Zr. A paste is formed having an exothermic reaction peak at a temperature of at least 300° C. to less than 660° C.

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Patent Owner(s)

Patent OwnerAddress
HERAEUS PRECIOUS METALS NORTH AMERICA CONSHOHOCKEN LLC24 UNION HILL ROAD WEST CONSHOHOCKEN PA 19428

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jiang, Hong Irvine, US 548 6417
Khadilkar, Chandrashekhar S Broadview Heights, US 23 308
Merchant, Nazarali San Diego, US 7 77
Shaikh, Aziz S San Diego, US 44 630
Sridharan, Srinivasan Strongsville, US 135 3479

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