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Facile synthesis of up‐conversion Cit‐NaYF4:Yb,Tm @phenol‐formaldehyde resin@Ag composites for the sensitive detection of S2−
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-08-09 , DOI: 10.1002/app.49710
Xiangfei Sun 1 , Ping Yang 1 , Shaohua Wang 1 , Lina Feng 1 , Jianjun Shi 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2020-08-09 , DOI: 10.1002/app.49710
Xiangfei Sun 1 , Ping Yang 1 , Shaohua Wang 1 , Lina Feng 1 , Jianjun Shi 1
Affiliation
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In this work, we synthesized the core‐shell structure citric acid‐modified up‐conversion luminescent nanoparticles (Cit‐NaYF4:Yb,Tm) (denoted as UC)@ polymer of phenol‐formaldehyde resin (PFR) particles. Ag nanoparticles were successfully loaded onto the PFR's shell by direct reduction of AgNO3 in situ with rich hydroxyl groups in PFR and a new application of the UC@PFR@Ag composites for detection of S2− was investigated. A good linear relationship between the fluorescence intensity of as‐synthesis of UC@PFR@Ag composites and the concentration of S2− could be found within the range of 2–100 nM (R2 = 0.9929) with a limit of detection of 0.67 nM. The values of S2− content in actual water samples obtained with the proposed method are much closer to unity as compared to the corresponding values obtained with the UV method.
中文翻译:
上转换Cit-NaYF4:Yb,Tm @酚醛树脂@Ag复合材料的简便合成,用于S2-的灵敏检测
在这项工作中,我们合成了酚醛树脂(PFR)颗粒的聚合物的核壳结构柠檬酸修饰的上转换发光纳米粒子(Cit-NaYF 4:Yb,Tm)(表示为UC)。通过直接还原具有丰富羟基的PNO原位AgNO 3将Ag纳米颗粒成功地装载到PFR的壳上,并研究了UC @ PFR @ Ag复合材料在S 2-的检测中的新应用。UC @ PFR @ Ag复合材料的合成荧光强度与S 2−的浓度之间存在良好的线性关系,检出限为0.67 ,范围为2-100 nM(R 2 = 0.9929)。 nM。S 2−的值 与使用紫外线法获得的相应值相比,使用该方法获得的实际水样中的水含量更接近于单位。
更新日期:2020-10-08
中文翻译:
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上转换Cit-NaYF4:Yb,Tm @酚醛树脂@Ag复合材料的简便合成,用于S2-的灵敏检测
在这项工作中,我们合成了酚醛树脂(PFR)颗粒的聚合物的核壳结构柠檬酸修饰的上转换发光纳米粒子(Cit-NaYF 4:Yb,Tm)(表示为UC)。通过直接还原具有丰富羟基的PNO原位AgNO 3将Ag纳米颗粒成功地装载到PFR的壳上,并研究了UC @ PFR @ Ag复合材料在S 2-的检测中的新应用。UC @ PFR @ Ag复合材料的合成荧光强度与S 2−的浓度之间存在良好的线性关系,检出限为0.67 ,范围为2-100 nM(R 2 = 0.9929)。 nM。S 2−的值 与使用紫外线法获得的相应值相比,使用该方法获得的实际水样中的水含量更接近于单位。