β-NaYF4:Yb,Er nanoparticles (NPs) are one of the most efficient upconversion materials, which can convert near-infrared......

背景和目的 几丁质又称甲壳素,在昆虫、甲壳类动物外骨骼、真菌细胞壁及某些绿藻中广泛存在,是自然界中最丰富的生物资源之一。几......