Excellent quality ultrathin TiO2 films were obtained from tetrabutyl titanate andarachidic acid by a two-dimensional sol-gel process, followed with thermal decomposition ofthe complex multilayer Langnuirblodgett films...Excellent quality ultrathin TiO2 films were obtained from tetrabutyl titanate andarachidic acid by a two-dimensional sol-gel process, followed with thermal decomposition ofthe complex multilayer Langnuirblodgett films. The UV-vis spectra of the multilayer filmsshowed a blue shift of the absorption band relative to those of bulk TiO2, inlplying the for-mation of nanoparticles of TiO2-based condensates. Their uniformity and rutile type struc-ture were revealed by TEM and XRD results.展开更多
基金supported by the National Natural Science Foundation of China(52002366,22075263)the Fundamental Research Funds for the Central Universities(WK2060000039)+1 种基金support from the USTC Center for Micro-and Nanoscale Research and Fabricationthe supercomputing system in the Supercomputing Center of USTC for helpful discussions regarding the experimental design。
文摘Excellent quality ultrathin TiO2 films were obtained from tetrabutyl titanate andarachidic acid by a two-dimensional sol-gel process, followed with thermal decomposition ofthe complex multilayer Langnuirblodgett films. The UV-vis spectra of the multilayer filmsshowed a blue shift of the absorption band relative to those of bulk TiO2, inlplying the for-mation of nanoparticles of TiO2-based condensates. Their uniformity and rutile type struc-ture were revealed by TEM and XRD results.