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首页> 外文期刊>RSC Advances >Synthesis, characterization, photophysical, thermal and electrical properties of composite of polyaniline with zinc bis(8-hydroxyquinolate): a potent composite for electronic and optoelectronic use
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Synthesis, characterization, photophysical, thermal and electrical properties of composite of polyaniline with zinc bis(8-hydroxyquinolate): a potent composite for electronic and optoelectronic use

机译：聚苯胺与双（8-羟基喹啉锌）的复合物的合成，表征，光物理，热和电性能：电子和光电用途的有效复合物

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摘要

A composite of polyaniline (PANI) with the metal complex zinc bis(8-hydroxyquinolate) [Zn(8HQ)(2)] is synthesized by an in situ polymerization technique. The metal complex and the synthesized PANI[Zn(8HQ)(2)] composite are characterized by EDX, FTIR, XRD and TG analysis. FESEM analysis shows distinct morphological features of PANI and the PANI-[Zn(8HQ)(2)] composite. XRD shows the crystalline nature of the metal complex, which is retained in the PANI-[Zn(8HQ)(2)] composite. TG reveals the higher thermal stability of the PANI-[Zn(8HQ)(2)] composite as compared to pure PANI. DSC shows an increase in the glass transition temperature of the PANI-[Zn(8HQ)(2)] composite, which indicates its rigid nature. UV-visible spectral characterization confirms the red shift of polyaniline upon doping with the zinc complex. The metal complex exhibits excellent photophysical properties, good thermal stability and conducting behavior. The fluorescence intensity of the PANI-[Zn(8HQ)(2)] composite is found to be much higher than that of pure PANI. The relative fluorescence quantum yield of the PANI-[Zn(8HQ)(2)] composite is a few orders of magnitude higher than that of pure PANI. The conductivity of the PANI[Zn(8HQ)(2)] composite is greater than that of the pure PANI, as detected by a four probe method, and IV characteristics suggest semiconducting and conducting behavior of the pure PANI and PANI-[Zn(8HQ)(2)] composite, respectively. The aforementioned results suggest that the synthesized polymer composite is a potent material for electronic and optoelectronic applications such as light emitting diodes, solar cells and other semiconductor devices.
机译：通过原位聚合技术合成了聚苯胺（PANI）与金属配合物双（8-羟基喹啉锌）[Zn（8HQ）（2）]的复合物。通过EDX，FTIR，XRD和TG分析对金属配合物和合成的PANI [Zn（8HQ）（2）]复合材料进行了表征。 FESEM分析显示了PANI和PANI- [Zn（8HQ）（2）]复合材料的独特形态特征。 XRD显示金属络合物的晶体性质，该络合物保留在PANI- [Zn（8HQ）（2）]复合物中。 TG显示，与纯PANI相比，PANI- [Zn（8HQ）（2）]复合材料具有更高的热稳定性。 DSC显示PANI- [Zn（8HQ）（2）]复合材料的玻璃化转变温度升高，表明其刚性。紫外可见光谱表征证实了掺杂锌配合物后聚苯胺的红移。该金属配合物表现出优异的光物理性质，良好的热稳定性和导电性能。发现PANI- [Zn（8HQ）（2）]复合材料的荧光强度远高于纯PANI。 PANI- [Zn（8HQ）（2）]复合材料的相对荧光量子产率比纯PANI高几个数量级。通过四探针法检测，PANI [Zn（8HQ）（2）]复合材料的电导率大于纯PANI的电导率，IV特性表明纯PANI和PANI- [Zn（ 8HQ）（2）]复合。前述结果表明，合成的聚合物复合材料是用于电子和光电应用的有效材料，例如发光二极管，太阳能电池和其他半导体器件。

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