An innovative pressure sensitive nanocomposite based on reduced graphene oxide and pressure sensitive paints was created to facilitate the application and ensure uniform coverage on complex surfaces. Three nanocomposite compositions of 4 mg/mL, 8 mg/mL and 12 mg/mL were produced by ultrasonication. Morphological and structural analyses of the material were carried out by Scanning electron microscope (SEM-FEG), Fourier-transform infrared spectroscopy (FT-IR) and x-ray photoelectron spectroscopy (XPS). Conductivity and sensitivity measurements were investigated for impedance. SEM-FEG results show that rGO interacts with titanium dioxide (TiO₂). This interacting is different for each concentration and interferes in the sensitivity to pressure. An FT-IR test indicated a possible mechanism of this sensitivity: induction and resonance interactions between polymer and rGO. It is influenced by oxygen binding with metalloporphyrin molecules. Results of XPS confirm the chemical interaction by FT-IR and migration of TiO₂ by SEM. XPS measurement also indicates interactions between metalloporphyrin and rGO This generated an increase in active platinum sites. The carbon reinforcement generates an increase in conductivity, and it was important to realize the sensibility of nanocomposites. Composition of 12 mg/mL presented the highest conductivity and sensitivity.

创建了一种基于还原型氧化石墨烯和压敏涂料的创新型压敏纳米复合材料，以促进应用并确保在复杂表面上的均匀覆盖。通过超声处理产生三种分别为4mg / mL，8mg / mL和12mg / mL的纳米复合材料组合物。通过扫描电子显微镜（SEM-FEG），傅立叶变换红外光谱（FT-IR）和X射线光电子能谱（XPS）对材料进行形态和结构分析。研究了电导率和灵敏度测量的阻抗。SEM-FEG结果表明rGO与二氧化钛（TiO ₂）。对于每种浓度，这种相互作用是不同的，并且会干扰对压力的敏感性。FT-IR测试表明了这种敏感性的可能机制：聚合物与rGO之间的感应和共振相互作用。它受与金属卟啉分子的氧结合的影响。XPS的结果证实了通过FT-IR的化学相互作用和通过SEM的TiO ₂的迁移。XPS测量还表明金属卟啉与rGO之间的相互作用。这增加了活性铂位。碳增强剂增加了电导率，因此重要的是要实现纳米复合材料的敏感性。12 mg / mL的成分具有最高的电导率和灵敏度。