Electrically induced fluorescence Fe3+ sensing behavior of nanostructured Tiron doped polypyrrole

Tavoli, Farnaz; Alizadeh, Naader

doi:10.1016/j.aca.2016.10.008

Cited by 10 publications

(7 citation statements)

References 40 publications

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“…除了合成新型的荧光分子, 科研人员还把目光投 [103] (网络版彩图) [121] 用电化学沉积的方法在FTO电极上原位生长了图 22 (a) S1、S2和S3的聚合路线; (b) ZnO纳米阵列上S1膜在300 s曝光后对不同化合物饱和蒸气的荧光响应 [104] (网络版彩图)…”

Section: 基于薄膜制备和优化的荧光薄膜基传感应用于爆炸物检测unclassified

“…−5 M的干扰离子(蓝条)和 1.0×10 −7 M三价铁离子(黑白条)后的荧光强度 [121] (网络版彩图) (1.50 mM)和EDTA (20 mM)的水:乙醇=1:1溶液中监测水凝胶膜的可逆性 [122] (网络版彩图) [37] (网络版彩图) 出对氟离子 [134] 、碘离子 [135] 和多卤离子 [136] [132] (网络版彩图) (c) 此化学传感器在435 nm处的荧光强度比(I/I 0 , I 0 和I分别代表在溶液中无离子和含有阳离子时的荧光强度), 浓度为1 mM; mix是一种混合溶液, 包含所有被测试的阳离子 [133] (网络版彩图) [137] (网络版彩图) , 对人类中性粒细胞弹性蛋白酶进行检测的新型纤维素薄膜 [146] , 对多巴胺和单链脱氧核糖核酸进行检测的石墨烯荧光薄膜也被陆续报道出来 [147] . [138] (网络版彩图) [143] (网络版彩图) 图 36 (a) JEVIPS的制备过程; (b) 荧光检测流程示意图; (c) 不同浓度的病毒溶液的荧光发射光谱(相同的色线代表有和没有 JEVIP存在的荧光曲线) [144] (网络版彩图)…”

Section: 其中就重金属离子而言铅离子较为常见且毒性高会unclassified

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Recent advances in film-based fluorescence sensing

Liu¹,

Li²,

Liu³

et al. 2019

Sci. Sin.-Chim

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Section: 基于薄膜制备和优化的荧光薄膜基传感应用于爆炸物检测unclassified

Section: 其中就重金属离子而言铅离子较为常见且毒性高会unclassified

Recent advances in film-based fluorescence sensing

Liu¹,

Li²,

Liu³

et al. 2019

Sci. Sin.-Chim

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show abstract

“…The optical responses produced by the electrochemical stimulation of the optically transparent electrode can be monitored by recording the absorbance changes. The simultaneous application of spectroscopy and electrochemistry considerably improves the sensitivity and selectivity of hybrid sensors. − Surface-enhanced Raman scattering (SERS) was used for TNT detection as a hybrid method. − Also, Forzani et al used the electrochemical stimulation to generate reaction products which were detected with an optical imaging device using room temperature ionic liquids …”

mentioning

confidence: 99%

Hybrid Optoelectrochemical Sensor for Superselective Detection of 2,4,6-Trinitrotoluene Based on Electrochemical Reduced Meisenheimer Complex

Alizadeh

Ghoorchian

2018

Anal. Chem.

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2,4,6-Trinitrotoluene (TNT) is known as one of the most used explosives, and its detection is significant in public security, human health, and environmental protection. The fabrication of absorbance based optical sensors for TNT is a serious challenge due to poor selectivity and sensitivity. We reported the design and fabrication of a superselective hybrid optoelectrochemical sensor based on the electrochemical reduction of Meisenheimer complex in a deep eutectic solvent (DES) modified with n-butylamine (nBA) for determination of TNT. The hybrid optoelectrochemical sensor (HOPES) that placed in DES modified with nBA and also an optical sensor (OPS) were fabricated. The electrochemical reduction of Meisenheimer complex occurred at HOPES when the potential was applied and consequently the sensing performance (sensitivity and selectivity) was dramatically enhanced compared to OPS. The both OPS and HOPES responded linearly to TNT with detection limits of 310 and 8 nmol L, respectively. The selectivity observed for the HOPES toward TNT compared to the other interferences was enhanced by a factor of 10-10, thus we can use the term "superselectivity" for HOPES. The mechanism of HOPES response was proved by optoelectrochemical and electrochemical impedance spectroscopy (EIS) techniques. The field emission scanning electron microscope (FESEM) was employed for the characterization of electrodeposited Meisenheimer layer. Finally, we presented a proposed model for the sensing mechanism of OPS and HOPES based on TNT complexation in the absence and presence of electric potential, respectively.

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“…The empty d shells and efficient quench of the fluorescence intensity through energy or electron transfer were the factors leading to the selectivity of PPy-Tiron film regarding Fe 3+ . In a concentration range of 0.05-1 µM, the calculated limit of detection was 0.01 µM [68].…”

Section: Conducting Polymer-based Materialsmentioning

confidence: 92%

Development of Biopolymer and Conducting Polymer-Based Optical Sensors for Heavy Metal Ion Detection

et al. 2020

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Great efforts have been devoted to the invention of environmental sensors as the amount of water pollution has increased in recent decades. Chitosan, cellulose and nanocrystalline cellulose are examples of biopolymers that have been intensively studied due to their potential applications, particularly as sensors. Furthermore, the rapid use of conducting polymer materials as a sensing layer in environmental monitoring has also been developed. Thus, the incorporation of biopolymer and conducting polymer materials with various methods has shown promising potential with sensitively and selectively toward heavy metal ions. In this feature paper, selected recent and updated investigations are reviewed on biopolymer and conducting polymer-based materials in sensors aimed at the detection of heavy metal ions by optical methods. This review intends to provide sufficient evidence of the potential of polymer-based materials as sensing layers, and future outlooks are considered in developing surface plasmon resonance as an excellent and valid sensor for heavy metal ion detection.

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Electrically induced fluorescence Fe3+ sensing behavior of nanostructured Tiron doped polypyrrole

Cited by 10 publications

References 40 publications

Recent advances in film-based fluorescence sensing

Recent advances in film-based fluorescence sensing

Hybrid Optoelectrochemical Sensor for Superselective Detection of 2,4,6-Trinitrotoluene Based on Electrochemical Reduced Meisenheimer Complex

Development of Biopolymer and Conducting Polymer-Based Optical Sensors for Heavy Metal Ion Detection

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