Textured micrometer scale templates as light managing fabrication platform for organic solar cells
Abstract
A three-dimensional, microscale-textured, grating-shaped organic solar cell geometry. The solar cells are fabricated on gratings to give them a three-dimensional texture that provides enhanced light absorption. Introduction of microscale texturing has a positive effect on the overall power conversion efficiency of the devices. This grating-based solar cell having a grating of pre-determined pitch and height has shown improved power-conversion efficiency over a conventional flat solar cell. The improvement in efficiency is accomplished by homogeneous coverage of the grating with uniform thickness of the active layer, which is attributed to a sufficiently high pitch and low height of the underlying gratings. Also the microscale texturing leads to suppressed reflection of incident light due to the efficient coupling of the incident light into modes that are guided in the active layer.
- Inventors:
- Issue Date:
- Research Org.:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1273194
- Patent Number(s):
- 9401442
- Application Number:
- 13/223,351
- Assignee:
- Iowa State University Research Foundation, Inc. (Ames, IA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B82 - NANOTECHNOLOGY B82Y - SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01L - SEMICONDUCTOR DEVICES
- DOE Contract Number:
- AC02-07CH11358
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 2011 Sep 01
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 14 SOLAR ENERGY; 36 MATERIALS SCIENCE
Citation Formats
Chaudhary, Sumit, Ho, Kai-Ming, Park, Joong-Mok, Nalwa, Kanwar Singh, and Leung, Wai Y. Textured micrometer scale templates as light managing fabrication platform for organic solar cells. United States: N. p., 2016.
Web.
Chaudhary, Sumit, Ho, Kai-Ming, Park, Joong-Mok, Nalwa, Kanwar Singh, & Leung, Wai Y. Textured micrometer scale templates as light managing fabrication platform for organic solar cells. United States.
Chaudhary, Sumit, Ho, Kai-Ming, Park, Joong-Mok, Nalwa, Kanwar Singh, and Leung, Wai Y. Tue .
"Textured micrometer scale templates as light managing fabrication platform for organic solar cells". United States. https://www.osti.gov/servlets/purl/1273194.
@article{osti_1273194,
title = {Textured micrometer scale templates as light managing fabrication platform for organic solar cells},
author = {Chaudhary, Sumit and Ho, Kai-Ming and Park, Joong-Mok and Nalwa, Kanwar Singh and Leung, Wai Y.},
abstractNote = {A three-dimensional, microscale-textured, grating-shaped organic solar cell geometry. The solar cells are fabricated on gratings to give them a three-dimensional texture that provides enhanced light absorption. Introduction of microscale texturing has a positive effect on the overall power conversion efficiency of the devices. This grating-based solar cell having a grating of pre-determined pitch and height has shown improved power-conversion efficiency over a conventional flat solar cell. The improvement in efficiency is accomplished by homogeneous coverage of the grating with uniform thickness of the active layer, which is attributed to a sufficiently high pitch and low height of the underlying gratings. Also the microscale texturing leads to suppressed reflection of incident light due to the efficient coupling of the incident light into modes that are guided in the active layer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Jul 26 00:00:00 EDT 2016},
month = {Tue Jul 26 00:00:00 EDT 2016}
}
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