Journal article
Tuning the absorptions of Au nanospheres on a microshell by photo-deformation
Nanotechnology, v 17(18), pp 4600-4605
28 Sep 2006
PMID: 21727583
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
We report the design, modelling, fabrication, and testing of a photo-tunable particulate medium that comprises photo-responsible polymeric microshells covered by Au nanospheres. The microshells were formed by a layer-by-layer method. The charged Au nanospheres were coated on outer surfaces of the microshells. The polymeric shells contain azobenzene moieties and shrink upon ultraviolet irradiation; therefore, the interparticle spaces between the nanospheres are tunable by UV light. The absorption spectrum of the Au nanosphere modified microshells changed drastically after the shrinkage. A decreased absorption peak of Au nanospheres and an enhanced absorption in the near-infrared region were clearly observed. The results of theoretical modelling suggest that the overall spectral changes stem mainly from the enhanced particle interactions and also from the field enhancements in the space among the nanospheres.
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Details
- Title
- Tuning the absorptions of Au nanospheres on a microshell by photo-deformation
- Creators
- Li-Hsin Han - The University of Texas at AustinTingji Tang - The University of Texas at AustinShaochen Chen - The University of Texas at Austin
- Publication Details
- Nanotechnology, v 17(18), pp 4600-4605
- Publisher
- Institute of Physics (IOP)
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics; Drexel University
- Web of Science ID
- WOS:000241157000012
- Scopus ID
- 2-s2.0-33748368703
- Other Identifier
- 991020100049704721
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InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Web of Science research areas
- Materials Science, Multidisciplinary
- Nanoscience & Nanotechnology
- Physics, Applied