Study on the decay behavior of a flexible sensor based on silver fiber fabrics

Abstract

Flexible sensors are affected by various external factors during their use, such as water, thermal oxidation, and ultraviolet light, which causes a decrease in their sensitivity, but little research has been done in this area. This paper investigates the effects of washing, acid, ultraviolet, and thermal oxidation treatments on flexible sensors made of silver fiber fabrics, and the sensitivity and sensing performance before and after the treatments are compared. The findings show that the flexible sensor in use has a broad response range (0–70%) and strong stability (>1000 cycles). The sensitivity decreased significantly after washing, acid treatment, UV treatment, and thermal oxidation treatment but maintained good stability after 1000 tensile cycle tests.