Ordered Array of Gold Semishells on TiO2 Spheres: An Ultrasensitive and Recyclable SERS Substrate
Ordered array of Au semishells on TiO2 spheres with controlled size are prepared by
combining the nanosphere self-assembly and atomic layer deposition (ALD). This ordered 2-
D structure with designed array of metal nanogaps can be used as an ultrasensitive surface-
enhanced Raman scattering (SERS) substrate with high reproducibility and stability. More
importantly, the SERS substrates are recyclable, as enabled by their self-cleaning function
due to the TiO2 photocatalytic degradation of the target molecules. The high SERS …
combining the nanosphere self-assembly and atomic layer deposition (ALD). This ordered 2-
D structure with designed array of metal nanogaps can be used as an ultrasensitive surface-
enhanced Raman scattering (SERS) substrate with high reproducibility and stability. More
importantly, the SERS substrates are recyclable, as enabled by their self-cleaning function
due to the TiO2 photocatalytic degradation of the target molecules. The high SERS …
[引用][C] Ordered Array of Gold Semishells on TiO2 Spheres: An Ultrasensitive and Recyclable SERS Substrate
L Xianglin, H Hailong, L Dehui, S Zexiang, X Qihua… - 2012
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