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Nanofibers containing TiO2 nanoparticles formed using conventional and non-conventional electrospinning

机译：含有TiO的纳米纤维，纳米粒子使用常规和非常规静电纺丝形成

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Electrospinning is a simple technique that has been largely used in the fabrication of nanofibers for a vast number of applications. In this work, we studied the formation of fibers containing polyvinylpyrrolidone (PVP), colloidal titanium dioxide (TiO2) nanoparticles, and ethyl alcohol as solvent. Titanium dioxide presents electrical, electrochemical, and catalytic properties that find several relevant applications. Fibers were formed using conventional electrospinning and, also, a non-conventional setup that uses a collector that consists of two connected parallel conducing wires separated by centimeters. The purpose of this modification was to obtain a net of fibers formed between the two parallel wires. Using a colloidal solution with an appropriated viscosity, a netlike structure is formed between the wires of the collector, with fibers presenting a certain degree of orientation (an advantage of the proposed modification of the electrospinning setup), and with diameters in the range of micro and nanometers. The use of Energy-Dispersive X-Ray Spectroscopy (EDS) confirmed the incorporation of titanium dioxide in the fibers.
机译：静电纺丝是一种简单的技术，该技术主要用于制造纳米纤维的广泛应用。在这项工作中，我们研究了含有聚乙烯吡咯烷酮（PVP）的纤维，胶体钛二氧化钛（TiO 2 ）纳米颗粒，以及乙醇作为溶剂。二氧化钛呈现出若干相关应用的电气，电化学和催化性质。使用常规静电纺丝形成纤维，并且，也是一种使用收集器的非常规设置，该收集器由分开的两个连接的平行调速线组成。该修改的目的是获得在两个平行线之间形成的纤维网。使用具有适当粘度的胶体溶液，在收集器的电线之间形成网状结构，具有呈现一定程度的取向的纤维（静电纺丝设置的所提出的修改的优点），并且在微型范围内具有直径的直径和纳米。使用能量分散X射线光谱（EDS）证实掺入纤维中的二氧化钛。

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