Surface enhanced Raman scattering of melamine on silver substrate: An experimental and DFT study
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- 作者：Nguyen Thi Thai Ana ; Duy Quang Daoa ; daoduyquang@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Pham Cam Namb ; pcnam@dut.udn.vn" class="auth_mail" title="E-mail the corresponding author ; Bui The Huyc ; Hong Nhung Trana
- 关键词：Melamine ; Surface enhanced Raman scattering (SERS) ; Density functional theory (DFT) ; HOMO ; LUMO ; Silver nanoparticles
- 刊名：Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
- 出版年：2016
- 出版时间：5 December 2016
- 年：2016
- 卷：169
- 期：Complete
- 页码：230-237
- 全文大小：1305 K
文摘
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Experimental and DFT studies of SERS of melamine on silver substrate is investigated.
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Interaction of melamine and different Agn cluster (n = 4–20) were computed.
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676 and 983 cm− 1 typical peaks were enhanced and well reproduced by calculations.
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Spectra enhancement results from charge transfer phenomenon within molecule.
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SERS of melamine show distinct spectra like ring breathing or trigonal bending.