Patent · US Active

Photovoltaic devices and method of making

US9608144B2 · kind B2 · utility

2Cited by

8References

19Claims

0Family size

Assignee

First Solar, Inc. · US

Inventors

James Neil Johnson · Scotia, US
Bastiaan Arie Korevaar · Schenectady, US
Timothy John Sommerer · Ballston Spa, US

Key dates

Filing date	Jun 1, 2011
Grant date	Mar 28, 2017
Priority date	—
Expiry date	Oct 30, 2031

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P70/50

Abstract

In one aspect of the present invention, a photovoltaic device is provided. The photovoltaic device includes a window layer and an absorber layer disposed on the window layer, wherein the absorber layer includes a first region and a second region, the first region disposed adjacent to the window layer. The absorber layer further includes a first additive and a second additive, wherein a concentration of the first additive in the first region is greater than a concentration of the first additive in the second region, and wherein a concentration of the second additive in the second region is greater than a concentration of the second additive in the first region. Method of making a photovoltaic device is also provided.

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