Abstract
Using polyvinyl pyrrolidone (PVP) as the structure-directing agent, the high shape-selective synthesis of the gold regular octahedra with purity up to 90% has been realized in the water/PVP/n-pentanol system created to realize the specific selective adsorption of PVP on Au which directs Au to grow in the form of regular octahedron. By modifying the water/PVP/n-pentanol interface via varying the amount of PVP and water and adding C6H5O7Na3∙2H2O, the edge length and plasmon resonance position of the Au regular octahedra can be tuned in the ranges of 33–120 and 538–683nm, respectively. The truncation of octahedron reduces the plasmon resonance in wavelength.
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Dates
Type | When |
---|---|
Created | 18 years, 4 months ago (April 20, 2007, 6:09 p.m.) |
Deposited | 2 years, 1 month ago (June 30, 2023, 7:44 p.m.) |
Indexed | 3 weeks, 3 days ago (July 30, 2025, 6:48 a.m.) |
Issued | 18 years, 4 months ago (April 16, 2007) |
Published | 18 years, 4 months ago (April 16, 2007) |
Published Online | 18 years, 4 months ago (April 20, 2007) |
Published Print | 18 years, 4 months ago (April 16, 2007) |
@article{Zhang_2007, title={Synthesis of gold regular octahedra with controlled size and plasmon resonance}, volume={90}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.2730733}, DOI={10.1063/1.2730733}, number={16}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Zhang, Jianhui and Liu, Huaiyong and Wang, Zhenlin and Ming, Naiben}, year={2007}, month=apr }