Patent · US Active

Photovoltaic cell with copper poor CIGS absorber layer and method of making thereof

US9169548B1 · kind B1 · utility

2Cited by
50References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 19, 2010
Grant dateOct 27, 2015
Priority date
Expiry dateSep 3, 2032

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02P70/50
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A photovoltaic cell includes a p-type copper-indium-gallium-selenide absorber layer, where a content of Cu, In, and Ga in a first portion of the p-type copper-indium-gallium-selenide absorber layer satisfies the equation Cu/(In+Ga)≦0.3, and where the content is measured in atomic percent.

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