本研究的目标是制备掺杂 CuO 纳米颗粒的 P(VDF-TrFE)/P3HT 高分子纳米纤维，以实现多种应用。我们通过 X 射线衍射（XRD）、傅里叶变换红外光谱（FTIR）、紫外-可见光谱（UV-Vis）及扫描电子显微镜（SEM）对制备的纳米纤维膜的结构特性进行了表征。此外，还进一步研究了静电纺丝膜的电学及介电性能。二：摘要 采用...
此外,注意到XRD峰强度随溶液质量比增加而增加,这表明在较大质量比的溶液中得到的P(VDF-TrFE)薄膜具有较高的结晶度。考虑到表面粗糙度和结晶度对突触器件集成的影响,本文以6 wt%的溶液浓度制备了P(VDF-TrFE)薄膜,薄膜厚度约为300 nm。图2d为Al/P(VDF-TrFE)/Au电容器的铁电迟滞回线,表明剩余极化约为4 μC/...
本研究选用P(VDF-TrFE)作为研究对象，通过静电纺丝技术制备纳米纤维。采用电晕三极管极化装置对纳米纤维进行极化处理，通过调整极化电压、极化时间和电晕放电条件，研究极化参数对纳米纤维极化效果的影响。同时，利用扫描电子显微镜（SEM）、X射线衍射（XRD）、傅里叶变换红外光谱（FTIR）等手段对纳米纤维的微观结构、相组成...
纳米纤维薄膜材料压电性能柔性传感器提高力学传感器件灵敏度,改善器件的电信号输出和力学性能是扩展器件使用范围的基本方法.利用电纺技术和柔性电极材料制备了基于偏二氟乙烯和三氟乙烯的共聚物[P(VDF-TrFE)]纳米纤维薄膜的新型柔性力学传感器.利用SEM,XRD对纳米纤维薄膜的形貌及晶体结构进行测试,通过自制的测试系统获得了...
纯[P(VDF-HFP)]以及包含了 PANI、ZnS 和 PANI/ZnS 微球的复合物的 XRD 图谱。解卷积后的 XRD 图表明有电活性的β相和γ相存在，纯[P(VDF-HFP)]的衍射图案，其α相的晶面在 2θ值为 17.9°(100)、18.2°(020)以及 19.8°(110)处。PVDF-HFP 的 XRD 图谱显示，在负载了 PANI、ZnS 以及 PANI/...
The crystal structure of the PT particles and the microstructure of the composite were characterized by XRD and SEM, respectively. The composites were poled at elevated temperature to produce samples with only the ceramic phase polarized. The poling current was recorded during the poling process, ...
properties of the P(VDF-TrFE) films annealed at different temperatures were systematically compared, and a me-thod for quickly testing the acoustic emission response performance of P(VDF-TrFE) films was es-tablished. The results show that the crystallinity and dielectric constant of P(VDF-TrFE)...
The XRD and DSC analyses prove that the SA treatment effectively formed the P(VDF-TrFE) film with a high portion of the β-phase and a high crystallinity of 23.13%, well consistent with the conjectures based on the theories. Fourier transform infrared (FTIR) measurement was conducted to ...
所得到的产物P(VDF-TrFE)取向薄膜SEM如图1所示,XRD表征如图2所示。可以看出P(VDF-TrFE)分子在此技术条件下形成了大面积一维取向织构的有机薄膜。 实施例2 1)将P(VDF-TrFE)粉末溶解在四氢呋喃中,充分搅拌后形成P(VDF-TrFE)质量分数为4%的均匀溶液,静置10min; ...
(Tokyo Instruments, Inc., Japan) with 532 nm laser excitation. A Rigaku Smartlab X-ray diffractometer operated at 3 kW X-ray power was used to perform the GI-XRD to further assess the crystalline properties of the α-phase P(VDF-TrFE) films. Regular AFM characterizations were ...