Compound solar cell and production method therefor
US10304978B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Jun 18, 2013 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Jun 18, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
Abstract
A compound solar cell having a higher conversion efficiency and a method for producing the compound solar cell at lower costs are provided. The compound solar cell includes a CIGS light absorbing layer, a buffer layer and a front side electrode layer provided on a substrate. An interface layer made of a mixed crystal compound having a composition represented by the following general formula is provided between the CIGS light absorbing layer and the buffer layer: Zn(Ox,S1-x) . . . (1), wherein X is 0.9<X≤1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.