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Sensing properties of infrared nanostructured plasmonic crystals fabricated by electron beam lithography and argon ion milling
| Content Provider | Semantic Scholar |
|---|---|
| Author | Quan, Baogang Sun, Weijie Xu, Xinlong Xia, Xiaoxiang Yang, Haifang Li, Junjie Gu, Changzhi |
| Copyright Year | 2012 |
| Abstract | In this paper, the authors report on the fabrication, theory simulation, and optical characterization of X-shaped nanoscale plasmonic crystals (PCs) and their application in biosensors. X-shaped PCs with 30 nm feature line-widths and different intersection angles were fabricated by a combination of electron beam lithography and argon ion beam milling techniques. Both experimental measurement and finite-difference time-domain simulations were employed to study the transmission properties of PCs under two different incident light polarizations. With the reduction of the symmetry of the X-shaped PCs, the transmission spectra of PCs show a new peak at ∼900 nm in the near-infrared region, and the optical experimental results were consistent with the simulated results. Plasmonic crystal-based biosensors were then prepared by self-assembly of octadecanethiol to the PCs followed by biotinylation and immobilization of streptavidin to the biosensor. The sensing properties of the PC-based biosensors with a 30° inter. |
| File Format | PDF HTM / HTML |
| DOI | 10.1116/1.4767274 |
| Volume Number | 30 |
| Alternate Webpage(s) | http://in.iphy.ac.cn/upload/1605/201605171951092415.pdf |
| Alternate Webpage(s) | https://doi.org/10.1116/1.4767274 |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
