聚乙烯亚胺官能化的[5,10,15,20-（四苯基卟啉）]和二氯化（5,10,15,20-四苯基卟啉）锑（V）六氯锑酸（V）新配合物：合成、表征及在 Eriochrome Black T 水吸附中的应用

IF 2.4 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Polyhedron Pub Date : 2024-11-16 DOI:10.1016/j.poly.2024.117305

Raoudha Soury , Mahjoub Jabli , Mabrouka El Oudi , Khalaf M. Alenezi , Ahmed Al Otaibi , Fahad Abdulaziz , Hind A. AlGhamdi , Amor Bchetnia

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引用次数: 0

摘要

本研究成功制备了[5,10,15,20（四苯基卟啉）]/聚乙烯亚胺（H2TPP-PEI）和二氯（5,10,15,20-四苯基卟啉）锑（V）六氯锑酸（V）/聚乙烯亚胺（[Sb(TPP)Cl2][SbCl6]-PEI）新配合物，并对其进行了表征。使用 1H NMR、UV、XRD、XRF、TGA-DTA、SEM 和 EDAX 对制备的化合物进行了全面分析。扫描电镜分析表明，在卟啉核心中添加聚乙烯亚胺明显改变了其形态特性。通过陶氏图法计算得出，H2TPP、[Sb(TPP)Cl2] [SbCl6]、H2TPP-PEI 和 ([Sb(TPP)Cl2][SbCl6]-PEI) 的光隙值分别为 1.877、2.030、1.862 和 2.017 eV。在 16° 和 80° 之间的 2θ 处存在尖锐的峰值，这表明所制备的卟啉化合物具有结晶性质。H2TPP、[Sb(TPP)Cl2][SbCl6]、H2TPP-PEI 和（[Sb(TPP)Cl2][SbCl6]-PEI）的热分解变化表明，在卟啉中加入聚乙烯亚胺会影响热特性。研究人员还进一步研究了制备的复合物对水中 Eriochrome Black T（一种阴离子染料）的吸附能力。在以下实验条件下（pH = 5、温度 = 19 °C、时间 = 60 分钟），[Sb(TPP)(Cl2)]-PEI（164 毫克/克）和 H2TPP-PEI（82 毫克/克）的吸附容量最高。然而，H2TPP 和 Sn(TPP)(Cl2) 的吸附容量仍然很低。吸附数据完全符合伪二阶、Freundlich 和 Temkin 方程。总之，吸附结果证实了聚乙烯亚胺官能化卟啉可用作水中阴离子染料的有效吸附剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

New complexes of [5,10,15,20-(tetraphenylporphyrin)] and dichloride (5,10,15,20-tetraphenylporphyrinato) antimony(V) hexachloridoantimonate(V) functionalized with polyethyleneimine: Synthesis, characterization, and application in Eriochrome Black T adsorption from water

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In the current work, new complexes namely [5,10,15,20 (tetraphenylporphyrin)] /Polyethyleneimine (H₂TPP-PEI) and Dichlorido(5,10,15,20-tetraphenylporphyrinato)antimony(V) hexachloridoantimonate(V)/Polyethyleneimine ([Sb(TPP)Cl₂][SbCl₆]-PEI) were successfully prepared and characterized. The prepared compounds were thoroughly analysed using ¹H NMR, UV, XRD, XRF, TGA-DTA, SEM, and EDAX. SEM analysis showed that the addition of polyethyleneimine to the porphyrin core clearly changed the morphological properties. The optical gap values were calculated using the tauc plot method and were equal to 1.877, 2.030, 1.862, and 2.017 eV for H₂TPP, [Sb(TPP)Cl₂] [SbCl₆], H₂TPP-PEI and ([Sb(TPP)Cl₂][SbCl₆]-PEI), respectively. The existence of sharp peaks at 2θ between 16° and 80° displayed the crystalline nature of the prepared porphyrinic compounds. The change in thermal decompositions for H₂TPP, [Sb(TPP)Cl₂][SbCl₆], H₂TPP-PEI and ([Sb(TPP)Cl₂][SbCl₆]-PEI) revealed that the addition of polyethyleneimine to porphyrin affected the thermal characteristics. The prepared complexes were, further, investigated for the adsorption of Eriochrome Black T (an anionic dye) from water. Highest adsorption capacities were accomplished using [Sb(TPP)(Cl₂)]-PEI (164 mg/g) and H₂TPP-PEI (82 mg/g) under the following experimental conditions (pH = 5, temperature = 19 °C, time = 60 min). However, the adsorption capacities remains poor for H₂TPP and Sn(TPP)(Cl₂). The adsorption data complied well with pseudo second order, Freundlich, and Temkin equations. Overall, the adsorption results had confirmed that polyethyleneimine functionalized porphyrins could be used as a proficient adsorbent of anionic dyes from water.

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来源期刊

Polyhedron 化学-晶体学

CiteScore

4.90

自引率

7.70%

发文量

515

审稿时长

2 months

期刊介绍： Polyhedron publishes original, fundamental, experimental and theoretical work of the highest quality in all the major areas of inorganic chemistry. This includes synthetic chemistry, coordination chemistry, organometallic chemistry, bioinorganic chemistry, and solid-state and materials chemistry. Papers should be significant pieces of work, and all new compounds must be appropriately characterized. The inclusion of single-crystal X-ray structural data is strongly encouraged, but papers reporting only the X-ray structure determination of a single compound will usually not be considered. Papers on solid-state or materials chemistry will be expected to have a significant molecular chemistry component (such as the synthesis and characterization of the molecular precursors and/or a systematic study of the use of different precursors or reaction conditions) or demonstrate a cutting-edge application (for example inorganic materials for energy applications). Papers dealing only with stability constants are not considered.