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Published on: April 25, 2018
Oriented Gold Nanorod Arrays: Self-Assembly and Optoelectronic Applications
Wenbo Wei1, Feng Bai1, Hongyou Fan2,3,4
1Key Laboratory for Special Functional Materials of Ministry of Education, National & Local Joint Engineering Research Center for High-efficiency Display and Lighting Technology, School of Materials Science and Engineering, and Collaborative Innovation Center of Nano Functional Materials and Applications, Henan University, Kaifeng, 475004, China.
Self-assembly of gold nanorods (GNRs) creates ordered superstructures with unique optical properties. This review covers strategies for forming oriented GNR arrays on substrates for optoelectronic applications like SERS.
Area of Science:
- Nanoscience
- Materials Science
- Optoelectronics
Background:
- Anisotropic plasmonic nanomaterials self-assemble into superstructures with unique optical and electronic properties.
- Gold nanorods (GNRs) are key building blocks due to their anisotropic plasmonic characteristics and responsiveness to light.
- Ordered GNR arrays are fabricated using methods like solvent evaporation and interfacial assembly.
Purpose of the Study:
- To review recent progress in self-assembled gold nanorod arrays.
- To focus on the formation of oriented GNR arrays on substrates.
- To discuss driving forces, strategies, and applications of these oriented arrays.
Main Methods:
- Review of existing literature on GNR self-assembly.
- Analysis of driving forces and assembly strategies.
- Overview of applications in optoelectronic devices.
Main Results:
- Progress in developing self-assembled GNR arrays is described.
- Key driving forces for oriented GNR array formation are discussed.
- Various strategies and self-assembly processes are presented.
Conclusions:
- Oriented GNR arrays are crucial for advanced optoelectronic devices.
- Self-assembly offers a pathway to control GNR superstructure formation.
- Surface-enhanced Raman scattering (SERS) is a key application area.
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