Phenylenediamine-derived near infrared carbon dots: The kilogram-scale preparation, formation process, photoluminescence tuning mechanism and application as red phosphors苯二胺衍生的近红外碳点: 千克级制备,形成过程,光致发光调谐机理及其作为红色荧光粉的应用CARBONIF11.62022-06-0197OAAI