EA201700522A3 - METHOD OF OBTAINING ORGANOMETALLIC FRAME COMPOUNDS WITH LUMINESCENT PROPERTIES - Google Patents

METHOD OF OBTAINING ORGANOMETALLIC FRAME COMPOUNDS WITH LUMINESCENT PROPERTIES

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Publication number
EA201700522A3
EA201700522A3 EA201700522A EA201700522A EA201700522A3 EA 201700522 A3 EA201700522 A3 EA 201700522A3 EA 201700522 A EA201700522 A EA 201700522A EA 201700522 A EA201700522 A EA 201700522A EA 201700522 A3 EA201700522 A3 EA 201700522A3
Authority
EA
Eurasian Patent Office
Prior art keywords
ytterbium
erbium
reaction mixture
solution
luminescent properties
Prior art date
Application number
EA201700522A
Other languages
Russian (ru)
Other versions
EA032837B1 (en
EA201700522A2 (en
Inventor
Алексей Владимирович Емелин
Аида Витальевна Рудакова
Анна Владимировна Шурухина
Антон Витальевич Маевский
Дмитрий Анатольевич Жаровов
Original Assignee
Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ)
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Application filed by Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ) filed Critical Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет" (СПбГУ)
Publication of EA201700522A2 publication Critical patent/EA201700522A2/en
Publication of EA201700522A3 publication Critical patent/EA201700522A3/en
Publication of EA032837B1 publication Critical patent/EA032837B1/en

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C63/00Compounds having carboxyl groups bound to a carbon atoms of six-membered aromatic rings
    • C07C63/307Monocyclic tricarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09KMATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00Luminescent materials, e.g. electroluminescent or chemiluminescent
    • C09K11/06Luminescent materials, e.g. electroluminescent or chemiluminescent containing organic luminescent materials

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)

Abstract

Изобретение относится к области химической технологии, а именно к получению металлоорганического каркасного соединения с люминесцентными свойствами. Способ получения металлоорганической каркасного соединения с люминесцентными свойствами заключается в приготовлении реакционной смеси из двух растворов, один из которых состоит из гидратов нитратов редкоземельных металлов, или иттербия, или эрбия, или иттербия и эрбия, и растворителя диметилформамида, второй - из бензол-1,3,5-трикарбоновой кислоты и растворителя диметилформамида. Общая концентрация солей редкоземельных металлов в первом растворе не превышает 9 ммоль/л, а общая концентрация бензол-1,3,5-трикарбоновой кислоты во втором растворе составляет не менее 42 ммоль/л. При получении раствора гидратов солей иттербия и эрбия, мольное соотношение пентагидратов нитратов иттербия и эрбия между собой берут как n:1, где n - мольное содержание пентагидрата нитрата иттербия и больше 1. Для получения реакционной смеси раствор соли редкоземельных металлов прикапывают при комнатной температуре ко второму раствору бензол-1,3,5-трикарбоновой кислоты без контроля скорости при интенсивном перемешивании, помещают ее в закрытый реактор, ставят в печь, которая нагрета до 85-150°C. Реакцию проводят без перемешивания при указанной температуре в течение 12-16 ч. Далее реакционную смесь охлаждают, фильтруют, а образовавшуюся твердую фазу промывают 30 мл диметилформамида и 30 мл этанола по три раза и подвергают сушке в вакууме при 300°C в течение 30 мин. Полученное металлоорганическое каркасное соединение имеет структуру MOF-76 и демонстрирует высокую термостабильность. Техническим результатом изобретения является сокращение длительности проведения процесса, уменьшение трудоёмкости проведения процесса благодаря упрощению регламента из-за отсутствия необходимости жесткого контроля условий дозированного прикапывания и кислотности при приготовлении реакционной смеси с одновременным уменьшением температуры процесса. Технический результат позволяет повысить выход продукта и дает возможность масштабировать процесс. Получаемые металлоорганические каркасные соединения обладают наряду с люминесцентными и ап-конверсионными люминесцентными свойствами, что позволяет использовать их в качестве фотоактивных материалов для преобразования инфракрасного излучения в видимый свет.The invention relates to the field of chemical technology, namely, to obtain an organometallic skeleton compound with luminescent properties. The method of obtaining an organometallic skeleton compound with luminescent properties consists in preparing a reaction mixture from two solutions, one of which consists of hydrates of rare earth metal nitrates, or ytterbium, or erbium, or ytterbium and erbium, and dimethylformamide solvent, the second one from benzene-1,3 , 5-tricarboxylic acid and dimethylformamide solvent. The total concentration of salts of rare-earth metals in the first solution does not exceed 9 mmol / l, and the total concentration of benzene-1,3,5-tricarboxylic acid in the second solution is at least 42 mmol / l. Upon receipt of a solution of hydrates of ytterbium and erbium, the molar ratio of pentahydrates of ytterbium nitrate and erbium between themselves is taken as n: 1, where n is the molar content of ytterbium nitrate pentahydrate and more than 1. To obtain the reaction mixture, the salt of rare-earth metals is added dropwise at room temperature to the second a solution of benzene-1,3,5-tricarboxylic acid without speed control with vigorous stirring, put it in a closed reactor, put in an oven that is heated to 85-150 ° C. The reaction is carried out without stirring at the same temperature for 12-16 hours. The reaction mixture is then cooled, filtered, and the resulting solid is washed with 30 ml of dimethylformamide and 30 ml of ethanol three times and dried in vacuum at 300 ° C for 30 minutes. The obtained organometallic skeletal compound has the structure MOF-76 and demonstrates high thermal stability. The technical result of the invention is to reduce the duration of the process, reducing the complexity of the process due to the simplification of the procedure due to the lack of need for strict control of the conditions of metered dropping and acidity in the preparation of the reaction mixture while reducing the process temperature. The technical result allows to increase the yield of the product and makes it possible to scale the process. The resulting organometallic frame compounds possess, along with luminescent and up-conversion luminescent properties, which makes it possible to use them as photoactive materials for the conversion of infrared radiation into visible light.

EA201700522A 2016-12-28 2017-11-23 Method of production of a metal-organic frame compound with luminescent properties EA032837B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2016152381A RU2645513C1 (en) 2016-12-28 2016-12-28 Method of a metal-organic frame compound production with luminescent properties

Publications (3)

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EA201700522A2 EA201700522A2 (en) 2018-08-31
EA201700522A3 true EA201700522A3 (en) 2018-12-28
EA032837B1 EA032837B1 (en) 2019-07-31

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RU (1) RU2645513C1 (en)

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RU2703227C1 (en) * 2018-07-04 2019-10-15 Федеральное государственное бюджетное учреждение науки Физический институт им. П.Н. Лебедева Российской академии наук (ФГБУН ФИАН) Sensor luminescent material, method of its production and method for determination of water content in analyzed liquid
CN116589689B (en) * 2023-02-14 2025-03-11 山西大学 A three-dimensional binuclear terbium coordination polymer and its preparation method and application
CN116062717A (en) * 2023-03-08 2023-05-05 韶关学院 Synthesis method of graphite phase carbon nitride with single-atom Yb doping
CN118930890B (en) * 2024-08-16 2025-10-21 上海大学 A new rare earth metal organic framework material, preparation method and application

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JP3572009B2 (en) * 2000-10-26 2004-09-29 独立行政法人 科学技術振興機構 Solid organometallic compounds with small molecule trapping ability
FR2921661B1 (en) * 2007-10-01 2013-05-31 Centre Nat Rech Scient INORGANIC ORGANIC HYBRID SOLID WITH MODIFIED SURFACE.
RU2401860C2 (en) * 2008-04-18 2010-10-20 Общество с ограниченной ответственностью научно-производственная фирма "ЛЮМ" Yttrium oxysulphide-based multifunctional anti-stokes luminophor with long afterglow
JP2014172830A (en) * 2013-03-07 2014-09-22 Shoei Chem Ind Co Method for producing porous metal complex
CN103450886B (en) * 2013-08-20 2015-03-18 福建师范大学 Preparation of purple light-excited tri-stimulus composite white light complexes

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EA032837B1 (en) 2019-07-31
RU2645513C1 (en) 2018-02-21
EA201700522A2 (en) 2018-08-31

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