photom.abbr.=photometryphoton.照片v.拍照photoelectronics and laser光电子学与激光技术photoelectron spectroscopy电光子分光光谱photopic negative response明视负波反应photolectric work function[电] 光电工作函数photochemical crosslinking光化学交联photodetector responsivity光电检波器响应度photostability enhancement光稳定性提高photosensitive film resist光敏抗蚀膜photocatalysis oxidization光催化氧化photocalytic sterilization光催化除菌