在甲苯/水界面自组装的 5-(4-羧基苯基)-10,15,20-三苯基卟吩单层聚合体的微观结构

IF 1.4 4区化学 Q3 CHEMISTRY, MULTIDISCIPLINARY

Chemistry Letters Pub Date : 2024-07-10 DOI:10.1093/chemle/upae108

Tania Avianda Gusman, Satoshi Tsukahara

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引用次数: 0

摘要

在碱性条件下，5-(4-羧基苯基)-10,15,20-三苯基卟吩（TPPCOOH）被酸解离，其盐与碱金属离子（TPPCOO-M+，M+=Li+、Na+ 和 K+）在甲苯/水界面形成有序的针状单层聚集体。聚集体在 451 纳米波长处的光吸收取决于偏振方向。该依赖关系揭示了两种类型的 TPPCOO-M+ 聚集体，它们的生长方向不同，但微观结构和界面浓度几乎相同。用原子力显微镜测量的聚合体高度大致相当于 TPPCOO- 的高度。

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Microstructure of monolayered aggregate of 5-(4-carboxyphenyl)-10,15,20-triphenylporphine self-assembled at the toluene/water interface

5-(4-Carboxyphenyl)-10,15,20-triphenylporphine (TPPCOOH) was acid-dissociated and its salt with alkali metal ions (TPPCOO−M+, M+=Li+, Na+, and K+) formed ordered needlelike monolayered aggregates at the toluene/water interface under alkaline conditions. The light absorption of the aggregates at 451 nm depended on the polarization direction. The dependence revealed 2 types of TPPCOO−M+ aggregates with different growth direction, but their microstructure and interfacial concentration were almost the same. The height of the aggregates measured by atomic force microscopy was approximately equivalent to that of titled TPPCOO−.

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来源期刊

Chemistry Letters 化学-化学综合

CiteScore

3.00

自引率

6.20%

发文量

260

审稿时长

1.2 months

期刊介绍： Chemistry Letters covers the following topics: -Organic Chemistry- Physical Chemistry- Inorganic Chemistry- Analytical Chemistry- Materials Chemistry- Polymer Chemistry- Supramolecular Chemistry- Organometallic Chemistry- Coordination Chemistry- Biomolecular Chemistry- Natural Products and Medicinal Chemistry- Electrochemistry