In the 21st century, the applications of wearable devices are already extended beyond the scope of predicting gambling results. In practice, it has been widely applied in various fields like defense, fitness and more. However, the power supply is still a problem for the wearable device. In that case, it is necessary to develop an advanced power source for the wearable device. Perovskite solar cell has potentially become a promising power source for the flexible device. This research tried to introduce a new process for depositing perovskite solar cells on the flexible substrate.
Fires cause significant loss of life and financial damage, but current fire-retardant materials produce hazardous byproducts. New fire-retardant materials made from nanomaterials are being pursued. In this project, titanium diboride (TiB2) nanosheets in aqueous dispersions were produced by ultrasonication exfoliation. Using thermal gravimetric analysis (TGA) and ASTM D6413 vertical flame test, it was found that coating TiB2 nanosheets layer by layer on fabrics can improve the flame retardancy of polymer fibers.