ABSTRACT

Wide bandgap (WBG) semiconductors are known for their excellent electrical and mechanical properties, biocompatibility, and biodegradability, being promising candidates in the development of wearable and implantable bioelectronics, such as ultraviolet (UV) and mechanical sensors, energy devices, and wide areas of knowledge. In this chapter, four main subjects will be discussed: (i) presentation and explanation of fundamental concepts about the classes of wide bandgap materials, II-VI semiconductors, III-nitride (ZnO, GaN, for instance, respectively) and SiC; (ii) the properties of interest of these classes, such as piezoelectric effect, direct bandgap, and high electron mobility; (iii) the main methods of manufacturing wide bandgap nanostructures; and (iv) some applications of these materials with a bioelectronic approach. At the end of this chapter, it will be possible to evaluate the desired properties of a material, as well as choose the best manufacturing methodology and the most suitable application for the synthesized product or material of interest.