Size of this JPG preview of this PDF file: 800 × 426 pixels. Other resolutions: 320 × 170 pixels | 640 × 341 pixels | 1,024 × 545 pixels | 1,280 × 681 pixels | 2,306 × 1,227 pixels.
Original file (2,306 × 1,227 pixels, file size: 574 KB, MIME type: application/pdf)
Summary
| Description |
English: Conversion efficiencies of best research solar cells worldwide from 1976 through 2019 for various photovoltaic technologies. Efficiencies determined by certified agencies/laboratories. |
| Date | |
| Source | National Renewable Energy Laboratory (NREL), Golden, CO |
| Author | Dean Levi/Dan Friedman |
Licensing
|
This work is in the public domain in the United States because it is a work prepared by an officer or employee of the United States Government as part of that person’s official duties under the terms of Title 17, Chapter 1, Section 105 of the US Code.
Note: This only applies to original works of the Federal Government and not to the work of any individual U.S. state, territory, commonwealth, county, municipality, or any other subdivision. This template also does not apply to postage stamp designs published by the United States Postal Service since 1978. (See § 313.6(C)(1) of Compendium of U.S. Copyright Office Practices). It also does not apply to certain US coins; see The US Mint Terms of Use.
|
 |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:43, 17 April 2019 |  | 2,306 × 1,227 (574 KB) | Dgwinner | User created page with UploadWizard |
File usage
The following pages on the English Wikipedia use this file (pages on other projects are not listed):
Global file usage
The following other wikis use this file:
- Usage on it.wikipedia.org