INCLUSION COMPOUNDS OF ORGANIC AZOCHROMOPHORES IN THE CAVITIES OF METAL-ORGANIC FRAMEWORKS (Cr, Al)- MIL-101: SYNTHESIS AND PHOTOCHEMICAL STUDIES

被引：0
|
作者：
Orlioglo, B. M. [1 ]
Kovalenko, K. A. [2 ]
Glebov, E. M. [3 ]
机构：
[1] Novosibirsk State Univ, Novosibirsk, Russia
[2] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk, Russia
[3] Russian Acad Sci, Voevodsky Inst Chem Kinet & Combust, Siberian Branch, Novosibirsk, Russia
来源：
JOURNAL OF STRUCTURAL CHEMISTRY | 2022年 / 63卷 / 01期
关键词：
metal-organic frameworks; MIL-101; inclusion compound; organic photochromes; diffuse reflection; photostability; PHOTOCHROMIC TRANSFORMATIONS; SOLID-STATE; DIARYLETHENES; THERMOCHROMISM; ISOMERIZATION; FLUORESCENCE; SPIROOXAZINE; MODULATION; AZOBENZENE; MOLECULES;
D O I：
10.1134/S0022476622010152
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Inclusion compounds of nitrogen-containing aromatic chromophores 4,4 '-bispyridylethylene (bpe) and 4,4 '-azopyridine (apy) in the cavities of mesoporous metal-organic frameworks Cr-MIL-101 and Al-MIL-101 are prepared and characterized by elemental analysis and nitrogen adsorption methods with a goal of finding approaches to the design of solid photochromic materials combining the benefits of photochromes in liquid solutions (high quantum yields) and in solid states (increased resistance to photodegradation). Photochemical properties of these compounds are qualitatively studied. Compound apy@Al-MIL-101 exhibits higher photoactivity than polycrystalline apy. Three other inclusion compounds are not photoactive. Possible reasons of the lack of photoactivity in these compounds are discussed.
引用
收藏
页码：152 / 163
页数：12
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