国家/地区 中国（2）
IPC部 C（2）
IPC大类 C09（2）
IPC小类 C09K（2）
IPC C09K011/65（2）
发明人 CAI Y（2）
公开年
申请年 2016（2）
专利权人 UNIV TIANJIN POLYTECHNIC（2）

Preparation of nitrogen-doped graphene quantum dot with high selectivity used for, e.g. detection of hexavalent chromium ion by mixing citric acid and ammonia water, hydrothermally reacting, cooling, heating, dialyzing, and freeze-drying.

ZHANG J, CAI Y, MI C, FAN Y, ZHANG Z, MA Q

Preparation of blue-emitting b-graphene quantum dot includes weighing citric acid, liquefying, heating, absorbing orange liquid, adding sodium hydroxide solution, mixing, neutralizing, refrigerating, dialyzing, purifying and vacuum drying.

ZHANG J, MI C, CAI Y, FAN Y, ZHANG Z, MA Q