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A facile self-deposition of Ag nanosheets on silicon substrates for high-performance SERS sensing

机译:用于高性能SERS感测的硅基板上AG NanosheS的容易自沉积

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This paper reports on a facile low-cost electroless deposition method with a short reaction time to directly fabricate Ag nanosheets onto a silicon substrate. Silver nitrate, hydrofluoric acid, and trisodium citrate were used as a silver source, etchant, and capping reagent by a wet chemical approach. The surface morphology of the Ag nanostructures could be controlled by adjusting the difference of reaction conditions (such as concentrations of hydrofluoric acid and trisodium citrate, reaction time). Ag nanosheets provide high corners, anisotropy, and hot spots for enhancing localized surface plasmon resonance with higher surface-enhanced Raman scattering enhancement and lower detection limits, which shall be beneficial in SERS-based chemical sensing.
机译:本文报道了一种容易的低成本无电沉积方法,其短反应时间是直接制造在硅衬底上的AG纳晶片。用湿化学方法用硝酸银,氢氟酸和柠檬酸三氧化锂作为银源,蚀刻剂和封端试剂。 Ag纳米结构的表面形态可以通过调节反应条件的差异(例如氢氟酸浓度和柠檬酸三钠,反应时间)来控制。 AG NanosheS提供高角落,各向异性和热点,用于增强具有更高表面增强的拉曼散射增强和较低检测限的局部表面等离子体共振,并在基于SERS的化学传感中是有益的。

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