Patent · US Active

Copper tin sulfide and copper zinc tin sulfide ink compositions

US9112094B2 · kind B2 · utility

3Cited by

2References

14Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Lynda Kaye Johnson · Wilmington, US
John Catron · Smyrna, US
Daniela Rodica Radu · Bucharest, RO

Key dates

Filing date	May 21, 2010
Grant date	Aug 18, 2015
Priority date	—
Expiry date	Apr 15, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/50
WIPO fieldSemiconductors
WIPO sectorElectrical engineering

Abstract

This invention relates to ink compositions useful for preparing films of CTS and CZTS and their selenium analogues on a substrate. Such films are useful in the preparation of photovoltaic devices.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.