Anti-reflection resonance in distributed Bragg reflectors-based ultrathin highly absorbing dielectric and its application in solar cells
- 11 March 2013
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 102 (10)
- https://doi.org/10.1063/1.4795286
Abstract
We present a design of anti-reflection resonance in distributed Bragg reflectors (DBRs) based ultrathin highly absorbing dielectric. In such structure, anti-reflection resonance can be supported at wavelengths much longer than those achieved by the previous metal-based structure due to the appropriate reflection phase from the DBRs surface. The proposed anti-reflection resonance can find applications in thin-film organic solar cells for light trappings. By replacing partial metal electrode with DBRs to provide the desired reflection phase, the overall absorptivity can be greatly increased by ∼31% due to the good matching between anti-reflection resonance and high-absorption range of the active layers.Keywords
Funding Information
- National Natural Science Foundation of China (90923037, 61137001, 61107024, 61177090)
This publication has 20 references indexed in Scilit:
- Omnidirectional luminescence enhancement of fluorescent SiC via pseudoperiodic antireflective subwavelength structuresOptics Letters, 2012
- Broadband Optical Antireflection Enhancement by Integrating Antireflective Nanoislands with Silicon Nanoconical‐Frustum ArraysAdvanced Materials, 2011
- Optimizing one-dimensional photonic-crystals based semitransparent organic solar cells by tailoring reflection phase shift within photonic bandgapApplied Physics Letters, 2011
- Non‐Reflecting Silicon and Polymer Surfaces by Plasma Etching and ReplicationAdvanced Materials, 2010
- Enhancement of optical absorption in thin-film organic solar cells through the excitation of plasmonic modes in metallic gratingsApplied Physics Letters, 2010
- Critically coupled resonators in vertical geometry using a planar mirror and a 5 nm thick absorbing filmOptics Letters, 2006
- Resonant cavity-enhanced (RCE) photodetectorsIEEE Journal of Quantum Electronics, 1991
- Self-electro-optic device based on a superlattice asymmetric Fabry–Perot modulator with an on/off ratio ≳100:1Applied Physics Letters, 1990
- Multilayer reflectors by molecular-beam epitaxy for resonance enhanced absorption in thin high-speed detectorsJournal of Vacuum Science & Technology B, 1990
- Electroabsorptive Fabry-Perot reflection modulators with asymmetric mirrorsIEEE Photonics Technology Letters, 1989