Inclusion compounds of organic azochromophores in the cavities of metal-organic frameworks (Cr, Al)– MIL-101: synthesis and photochemical studies

B. M. Orlioglo; K. A. Kovalenko; E. M. Glebov

doi:10.1134/S0022476622010152

Inclusion compounds of organic azochromophores in the cavities of metal-organic frameworks (Cr, Al)– MIL-101: synthesis and photochemical studies

B. M. Orlioglo, K. A. Kovalenko, E. M. Glebov

Факультет естественных наук

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

Аннотация

С целью поиска подходов к созданию твердотельных фотохромных материалов, сочетающих преимущества фотохромов в жидких растворах (высокие квантовые выходы) и в твердом состоянии (повышенная устойчивость к фотодеградации), синтезированы и охарактеризованы методами элементного анализа и адсорбции азота соединения включения азотсодержащих ароматических хромофоров 4,4'-биспиридилэтилена (bpe) и 4,4'-азопиридина (apy) в полости мезопористых металл-органических координационных полимеров Cr-MIL-101 и Al-MIL-101. Качественно исследованы фотохимические свойства. Соединение apy@Al-MIL-101 проявляет бóльшую фотоактивность по сравнению с apy в поликристаллическом состоянии. Для трех других соединений включения не установлена фотоактивность. Обсуждаются возможные причины отсутствия фотоактивности у них.

Язык оригинала	английский
Страницы (с-по)	152-163
Число страниц	12
Журнал	Journal of Structural Chemistry
Том	63
Номер выпуска	1
DOI	https://doi.org/10.1134/S0022476622010152
Состояние	Опубликовано - янв. 2022

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2.05 ТЕХНОЛОГИЯ МАТЕРИАЛОВ
1.04 ХИМИЧЕСКИЕ НАУКИ

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title = "Inclusion compounds of organic azochromophores in the cavities of metal-organic frameworks (Cr, Al)– MIL-101: synthesis and photochemical studies",

abstract = "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.",

keywords = "diffuse reflection, metal-organic frameworks, MIL-101, inclusion compound, organic photochromes, photostability",

author = "Orlioglo, {B. M.} and Kovalenko, {K. A.} and Glebov, {E. M.}",

note = "Funding Information: The reported study was funded by RFBR (project No. 18-03-00161) and by the Ministry of Science and Higher Education of the Russian Federation (project No. 121031700321-3). Publisher Copyright: {\textcopyright} 2022, Pleiades Publishing, Ltd.",

year = "2022",

month = jan,

doi = "10.1134/S0022476622010152",

language = "English",

volume = "63",

pages = "152--163",

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issn = "0022-4766",

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Inclusion compounds of organic azochromophores in the cavities of metal-organic frameworks (Cr, Al)– MIL-101: synthesis and photochemical studies. / Orlioglo, B. M.; Kovalenko, K. A.; Glebov, E. M.

В: Journal of Structural Chemistry, Том 63, № 1, 01.2022, стр. 152-163.

Результат исследования: Научные публикации в периодических изданиях › статья › рецензирование

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AU - Orlioglo, B. M.

AU - Kovalenko, K. A.

AU - Glebov, E. M.

N1 - Funding Information: The reported study was funded by RFBR (project No. 18-03-00161) and by the Ministry of Science and Higher Education of the Russian Federation (project No. 121031700321-3). Publisher Copyright: © 2022, Pleiades Publishing, Ltd.

PY - 2022/1

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N2 - 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.

AB - 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.

KW - diffuse reflection

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KW - MIL-101, inclusion compound

KW - organic photochromes

KW - photostability

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