Fluorescence chemical sensor based on water-soluble poly(p-phenylene ethynylene)-graphene oxide composite for Cu2+

被引：5
作者：
Adachi, Naoya [1 ]
Nakajima, Mai [1 ]
Okada, Mari [1 ]
Sugeno, Masafumi [1 ]
Norioka, Takayuki [1 ]
机构：
[1] Tokyo Denki Univ, Div Sci, Sch Sci & Engn, Hatoyama, Saitama 3500394, Japan
来源：
POLYMERS FOR ADVANCED TECHNOLOGIES | 2016年 / 27卷 / 03期
关键词：
water-soluble conjugated polymer; graphene oxide; chemical sensor; metal ion sensing; fluorescence change; CONJUGATED CATIONIC POLYMER; GRAPHENE OXIDE; SHEETS; FUNCTIONALIZATION; POLYELECTROLYTE; DEVICES; ASSAY; IONS;
D O I：
10.1002/pat.3633
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
A chemical sensor for metal ions was fabricated based on a water-soluble conjugated polymer-graphene oxide (GO) composite. Water-soluble poly(p-phenylene ethynylene) (PPE) with sulfonic acid side chain groups was used to prepare a very stable water-soluble PPE-GO composite with strong - interactions in water. The relationship between the optical properties and metal ion sensing capability of the PPE-GO composite in aqueous solution was investigated. Addition of metal ions enhanced the fluorescence intensity of the composite, and, in particular, the composite enabled the fluorescence detection of Cu2+ in aqueous solutions with high selectivity and sensitivity. Therefore, this conjugated polymer-GO composite sensor system was found to be an effective turn-on type chemical sensor for metal ions. Copyright (c) 2015 John Wiley & Sons, Ltd.
引用
收藏
页码：284 / 289
页数：6
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