The interaction between polyvinylpyrrolidone and I2 as probed by Raman ...
1999年3月1日 · The characteristic vibrations of I 2 and its polyiodide derivatives (I 3 − and I 5 −) give rise to strong peaks in the Raman spectrum which are observed in the region below 300 …
Raman spectra of the pure PVP (a) and Ag nanowires covered by PVP …
In this study, we attempt to make a transparent polymer electrode by laminating polym... [...] The surfactant polyvinylpyrrolidone (PVP) commonly used to synthesize silver nanowires (AgNW) in...
Physicochemical Characterization of Polyvinyl Pyrrolidone: A Tale …
2020年11月16日 · This Perspective includes discussions of the properties of PVP-capped NPs for surface enhanced Raman spectroscopy (SERS), assembly, catalysis, and more. The …
A facile method in removal of PVP ligands from silver nanowires …
2020年3月5日 · PVP ligands can be easily removed from the AgNWs by NaBH 4 solution. The clean AgNWs−AgNWs interface can effectively enhance the LSPR. The clean AgNWs film can …
Raman spectra in PVP (a) before and (b) after grafting with 4.0 m …
Raman spectra in PVP (a) before and (b) after grafting with 4.0 m M C 60 in a nano fl uid of 40.0 g/L PVP in water. In this article, a possible mechanism of solubilizing C60 molecules through...
Studies of UV crosslinked poly - ScienceDirect
2010年6月24日 · Poly(N-vinylpyrrolidone) (PVP) hydrogels have become increasingly important materials for pharmaceutical and biomedical applications. UV-light initiated oxidative …
Inquiring the mechanism of formation, encapsulation, and
2013年2月6日 · We present a plausible mechanism of formation, encapsulation, and stabilization of gold nanoparticles (GNPs) in presence of poly (vinyl pyrrolidone) (PVP) in 1-butanol in …
银表面上PVP分子的表面增强拉曼光谱研究 - 维普期刊官网
摘要 报道了PVP分子的常规拉曼光谱 (NRS)及该分子在活性衬底银镜上的表面增强拉曼散射 (SERS),并对它的拉曼特征谱带进行了初步的指认.通过对比PVP的常规拉曼光谱和SERS谱,发 …
Abstract: PVP-capped silver nanoparticles (Ag@PVP) were synthesized through a chemical reduction method using sodium borohydride (NaBH4) as reducing agent in an aqueous …
Replacement of Poly (vinyl pyrrolidone) by Thiols: A Systematic …
In this work, we used surface-enhanced Raman scattering (SERS) to monitor the replacement of poly(vinyl pyrrolidone) (PVP) on Ag nanocubes by cysteamine, thiol-terminated PEG, and …