The UV-absorption spectra and FT-IR spectra of chelate rings with Y ions sol and gel films were investigated.

• 以甲醇为溶剂,二乙烯三胺为络合剂,醋酸钇为前驱物,采用溶胶-凝胶与化学修饰相结合的方法制备了含钇螯合物凝胶薄膜。