纤维素基荧光材料的制备及荧光检测性能研究  

Preparation and detection performance of cellulose based fluorescent material

作　　者：曹庆华 刘斐[2] 冯玉红[1] 那海宁[2] 朱锦 Cao Qinghua;Liu Fei;Feng Yuhong;Na Haining;Zhu Jin(Key Laboratory of Advanced Materials of Tropical Island Resources,Ministry of Education,College of Materials and Chemical Engineering,Hainan University,Haikou 570228;Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province,Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo 315201)

机构地区：[1]海南大学化学工程学院,热带岛屿资源先进材料教育部重点实验室,海口570228 [2]中国科学院宁波材料技术与工程和研究所浙江省生物基高分子材料技术与应用重点实验室,宁波315201

出　　处：《化工新型材料》2022年第9期80-83,共4页New Chemical Materials

基　　金：国家自然科学基金(21978310&51773217);中国科学院科技服务网络计划区域重点项目(KFJ-STS-QYZD-2021-16-002);中国科学院“一带一路”专题项目(174433KYSB20190082);宁波市公益类科技计划重点项目(2021S020);宁波市自然科学基金(2021J196)。

摘　　要：利用二甲基亚砜(DMSO)/1.8-二氮二环[5.4.0]十一碳-7-烯(DBU)/二氧化碳(DMSO/DBU/CO_(2))溶剂体系,对纤维素进行荧光功能化改性,制备用于pH和Fe^(3+)检测的纤维素基荧光材料。研究结果表明,用该材料制备的薄膜具有较好的pH响应能力,在pH=7~14范围内通过明显的颜色变化对pH进行测定,同时对pH在11~14范围内的识别能力较强,且可重复使用。所制备的纤维素基荧光薄膜还能用于Fe^(3+)的检测,检测极限为0.81μmol/L。该材料在环境检测领域具有较大的应用潜力。By using dimethyl sulfoxide(DMSO)/DBU/carbon dioxide(CO_(2)) solvent system,cellulose was modified by fluorescence functionalization to prepare cellulose based fluorescent material for pH value and Fe^(3+) detection.The film prepared by this cellulose based fluorescent material had good ability to determine pH value in the range of 7~14 by obvious color change.At the same time,it had strong recognition ability in the range of 11~14 of pH value with good reusability.The film of the material can also be used for the detection of Fe^(3+),and the detection limit was 0.81μmol/L.This material had good potential application in the field of environmental detection technology.

关 键 词：纤维素 DMSO/DBU/CO_(2)溶剂体系 荧光 检测 

分 类 号：TQ152[化学工程—电化学工业] TM53[电气工程—电器]