Luminescent Cu2+ Probes Based on Rare-Earth (Eu3+ and Tb3+) Emissive Transparent Cellulose Hydrogels

被引：23

作者：

Tan, Chaoliang ^{[1
]}

Wang, Qianming ^{[1
]}

机构：

[1] S China Normal Univ, Sch Chem & Environm, Minist Educ MOE, Key Lab Theoret & Environm Chem, Guangzhou 510006, Guangdong, Peoples R China

来源：

JOURNAL OF FLUORESCENCE | 2012年 / 22卷 / 06期

关键词：

Copper; Luminescent; Cellulose; Films; Probe; FLUORESCENT; OXYGEN; FE3+;

D O I：

10.1007/s10895-012-1098-1

中图分类号：

Q5 [生物化学];

学科分类号：

071010 ; 081704 ;

摘要：

Cellulose hydrogels are biodegradable materials that can be applied as accommodating hosts for various species. Here we report the preparation of novel thin films based on luminescent cellulose hydrogels. The spectroscopic behavior of these soft materials and their sensing effects are investigated. Interestingly, we found that these films only give selective signal changes in the presence of Cu2+ in water in comparison with Na+, K+, Ag+, Mn2+, Co2+, Ca2+, Cd2+, Hg2+, Pd2+, Mg2+, Ni2+, Fe2+, and Fe3+. High visible-light transmittance and good flexibility for these films can be observed. More importantly, the thermal stability of rare-earth complexes could be significantly enhanced in aqueous solution as result of the protection by hydrogel matrix.

引用

页码：1581 / 1586

页数：6

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