https://www.selleckchem.com/pr....oducts/apoptozole.ht
The decreased traps of photo-induced electrons at surface defect states effectively facilitate the PICT efficiency within the substrate-molecule system. An ultrahigh enhancement factor of 7.7 × 105 and low limit of detection (1 × 10-7 M) for a 4-mercaptopyridine molecule at a temperature of 77 K are successfully obtained. More importantly, the low temperature-enhanced SERS effect is also obtainable in other metal oxide semiconductors, such as d-TiO2 and d-Cu2O nanoparticles. To the best of our knowledge, this is the first time the lo
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