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Morphological and SERS Properties of Silver Nanorod Array Films Fabricated by Oblique Thermal Evaporation at Various Substrate Temperatures
| Content Provider | Scilit |
|---|---|
| Author | Oh, Myoung-Kyu Shin, Yong-Seok Lee, Chang-Lyoul De, Ranjit Kang, Hoonsoo Yu, Nan Ei Kim, Bok Hyeon Kim, Joon Heon Yang, Jin-Kyu |
| Copyright Year | 2016 |
| Abstract | Aligned silver nanorod (AgNR) array films were fabricated by oblique thermal evaporation. The substrate temperature during evaporation was varied from 10 to 100 °C using a home-built water cooling system. Deposition angle and substrate temperature were found to be the most important parameters for the morphology of fabricated films. Especially, it was found that there exists a critical temperature at ~90 °C for the formation of the AgNR array. The highest enhancement factor of the surface-enhanced Raman scattering (SERS), observed in the Ag films coated with benzenethiol monolayer, was ~6 × 107. Hot spots, excited in narrow gaps between nanorods, were attributed to the huge enhancement factor by our finite-difference time-domain (FDTD) simulation reflecting the real morphology. |
| Related Links | http://europepmc.org/articles/pmc4464578?pdf=render |
| DOI | 10.1515/nano.11671_2015.306 |
| Language | English |
| Publisher | Walter de Gruyter GmbH |
| Publisher Date | 2016-01-01 |
| Access Restriction | Open |
| Subject Keyword | Spectroscopy Silver Nanorod Array Oblique Angle Deposition Sers Thermal Evaporation |
| Content Type | Text |
| Resource Type | Article |
