期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 114, 期 16, 页码 7336-7340出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp909253w
关键词
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资金
- Spanish MEC [MAT2007-62696, MAT2007-66050]
- Xunta de Galicia [PGIDIT06TMT31402PR, 08TMT008314PR]
- EU [STRP-016881-SPANS, 13-026019-ESTEEM, MEST CT 2004 514307]
Advances in nanophotonics have shown the potential of colloidal metal particles with sharp tips, such as nanostars, to focalize the plasmonic electromagnetic fields. We describe in this paper the performance of gold nanostars in common surface-enhanced scattering (SES) experiments, including SERS, SERRS, and SEF. The study was carried out for several analytes and demonstrated the potential of nanostars for ultradetection of nonfunctionalized analytes, by simply depositing nanostars on top of analyte thin films previously assembled onto a smooth gold surface.
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