Chemical and Colloidal Stability 胶体稳定性 Similarly,many ·Major problems to be semiconductor overcome in nanoparticles,such as nanoparticle metal chalcogenides, dispersions are the are air sensitive,so that degradation of the they can be completely material through dissolved in the chemical etching and presence of oxygen and the agglomeration light.These processes caused by strong van will be discussed below, der Waals attractive as well as possible forces. means to prevent them. PDF文件使用"pdfFactory Pro”试用版本创建www.fineprint.com.cn Chemical and Colloidal Stability 胶体稳定性 • Similarly, many semiconductor nanoparticles, such as metal chalcogenides, are air sensitive, so that they can be completely dissolved in the presence of oxygen and light. These processes will be discussed below, as well as possible means to prevent them. • Major problems to be overcome in nanoparticle dispersions are the degradation of the material through chemical etching and the agglomeration caused by strong van der Waals attractive forces. PDF 文件使用 "pdfFactory Pro" 试用版本创建 www.fineprint.com.cn