Photovoltaic devices and method of making

US10062800B2 · kind B2 · utility

Assignee

• First Solar, Inc. · US

Inventors

• Holly Ann Blaydes · Burnt Hills, US
• Kristian William Andreini · Burnt Hills, US
• William Hullinger Huber · Scotia, US
• Eugene Thomas Hinners · Gansevoort, US
• Joseph John Shiang · Niskayuna, US
• Yong Liang · Niskayuna, US
• Jongwoo Choi · Suwon-si, KR
• Adam Fraser Halverson · Albany, US

Key dates

• Filing date: Jun 7, 2013
• Grant date: Aug 28, 2018
• Expiry date: Dec 27, 2034

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P70/50

Abstract

A photovoltaic device is presented. The photovoltaic device includes a layer stack; and an absorber layer is disposed on the layer stack. The absorber layer includes selenium, and an atomic concentration of selenium varies non-linearly across a thickness of the absorber layer. A method of making a photovoltaic device is also presented.