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- Title
- Type-II core/shell nanoparticle induced photorefractivity
- Author(s)
- Li, Xiangping; Van Embden, Joel; Evans, Richard A.; Gu, Min
- Abstract
- We demonstrate engineering the photocharge generation efficiency of nanoparticles on the nanometer scale by using a type-II band-gap structure. Compared to bare CdSe cores, the dispersion of type-II core/shell nanoparticles in photorefractive polymer led to an average 100% increase in photocurrents. An improvement to the refractive-index construction time, and a near 100% enhancement to the two beam coupling net-gain coefficients and four-wave mixing internal diffraction efficiencies have been achieved at moderate biases.
- Publication type
- Journal article
- Research centre
- Swinburne University of Technology. Faculty of Engineering and Industrial Sciences. Centre for Micro-Photonics
- Source
- Applied Physics Letters, Vol. 98, no. 23 (Jun 2011), article no. 231107
- Publication year
- 2011
- FOR Code(s)
- 01 Mathematical Sciences; 02 Physical Sciences; 09 Engineering
- Keyword(s)
- CdSe; High optical gain; Nanocomposites; Nanocrystals; Photorefractive performances; Polymer composites; Quantum dots; Wavelength
- Publisher
- American Institute of Physics
- ISSN
- 0003-6951
- Publisher URL
- http://dx.doi.org/10.1063/1.3596437
- Copyright
- Copyright © 2011 American Institute of Physics. Published version of this paper reproduced here with the kind permission of the publisher.
- Research Projects
-
An accelerating journey to the new era of Petabyte optical memory systems, Australian Research Council grant number FL100100099
Nanoparticle-enabled photorefractive digital holography: toward the next generation ultrafast and multi-colour three dimensional display technology, Australian Research Council grant number DP110101422
- Full text
- Peer reviewed
