Journal
CHEMICAL COMMUNICATIONS
Volume 57, Issue 39, Pages 4815-4818Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc08105a
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Funding
- Science Foundation of Chinese Academy of Inspection and Quarantine [2019JK004]
- National Key Research and Development Program of China [2017YFF0210003]
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By synthesizing rough VO2(D) nanostars and nanospheres with highly dense and rough surfaces, highly sensitive Raman spectrum substrates can be prepared with a detection limit as low as 10^(-9) M for Rhodamine 6G.
Structure and size control are always considered to be effective routes to enhance the sensitivity of materials. Herein, rough VO2 (D) nanostars and nanospheres with highly dense and rough surfaces were synthesized. Accompanied by the properties inherited from the rough VO2 nanospheres, i.e., high adsorption and strong plasma resonance, these VO2 (D) nanospheres exhibit highly sensitive activity as a surface enhanced Raman spectrum substrate. The detection limit of Rhodamine 6G on this semiconductor SERS substrate is as low as 10(-9) M.
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