TEXTURED MICROMETER SCALE TEMPLATES AS LIGHT MANAGING FABRICATION PLATFORM FOR ORGANIC SOLAR CELLS
摘要
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.
申请公布号
WO2012031083(A3)
申请公布日期
2012.06.07
申请号
WO2011US50152
申请日期
2011.09.01
申请人
IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.;CHAUDHARY, SUMIT;HO, KAI-MING;PARK, JOONG-MOK;NALWA, KANWAR SINGH;LEUNG, WAI, Y.
发明人
CHAUDHARY, SUMIT;HO, KAI-MING;PARK, JOONG-MOK;NALWA, KANWAR SINGH;LEUNG, WAI, Y.