Keywords titanium oxide nanoparticulate film;nitrogen doping;N:H-codoping;visible-light photocatalysis;pulsed laser deposition;ion implantation;calcination;first-principles;

• 二氧化钛纳米颗粒膜;氮掺杂;氮氢共掺杂;可见光催化;激光烧蚀;离子注入;煅烧;第一性原理;