RU2019112679A - Комплекс соединения металла - оксида графена - Google Patents

Комплекс соединения металла - оксида графена Download PDF

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RU2019112679A
RU2019112679A RU2019112679A RU2019112679A RU2019112679A RU 2019112679 A RU2019112679 A RU 2019112679A RU 2019112679 A RU2019112679 A RU 2019112679A RU 2019112679 A RU2019112679 A RU 2019112679A RU 2019112679 A RU2019112679 A RU 2019112679A
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compound
molybdenum
graphene oxide
cobalt
nickel
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RU2019112679A
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Хидеки ХАСИМОТО
Киёси ИСОБЕ
Томоко ХОРИБЕ
Йосихико СЕРА
Эйдзи ЯМАСИТА
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Квансей Гакуин Эдьюкейшнл Фаундейшн
Фудзи Кемикал Индастриз Ко., Лтд.
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Claims (17)

1. Композит соединения металла - оксида графена, который представляет собой композит из по меньшей мере одного соединения металла, выбранного из группы, состоящей из соединения кобальта, соединения никеля и соединения молибдена, и оксида графена, в котором поглощение, связанное с C-O группой, присутствует, но поглощение, относящееся к O-H группе и C=O группе, а также поглощение, относящееся к связи между оксидом графена и кобальтом или никелем через атом кислорода, по существу отсутствуют в инфракрасном спектре поглощения композита в случае, когда соединение металла включает соединение кобальта или соединение никеля, и поглощение, относящееся к C-O группе, O-H группе и C=O группе, и поглощение, относящееся к связи между оксидом графена и молибденом через атом кислорода, по существу отсутствуют в инфракрасном спектре поглощения композита в случае, когда соединение металла представляет собой соединение молибдена.
2. Композит соединения металла - оксида графена по п.1, в котором соединение металла имеет размер частиц 10 нм или менее.
3. Композит соединения металла - оксида графена по п.1 или 2, в котором содержание кобальта, никеля и молибдена, рассчитанное по результатам элементного анализа на поверхности композита соединения металла - оксида графена с помощью сканирующей электронной микроскопии с энергодисперсионной спектроскопией, составляет 0,1-50% масс.
4. Композит соединения металла - оксида графена по любому из пп.1-3, в котором размер первичной частицы составляет 100 мкм или менее.
5. Композит соединения металла - оксида графена по любому из пп.1-4, в котором композит по существу не имеет сигнала, относящегося к кристаллу металла или соединению металла при 2θ=30° или более, при измерении рентгеновской порошковой дифрактометрией.
6. Композит соединения металла - оксида графена по любому из пп.1-5, в котором соединение кобальта представляет собой оксид кобальта, соединение никеля представляет собой оксид никеля, и соединение молибдена представляет собой соединение молибдена с халькогеном.
7. Способ получения композита из по меньшей мере одного соединения металла, выбранного из группы, состоящей из соединения кобальта, соединения никеля и соединения молибдена, и оксида графена, причем способ включает
стадию приготовления суспензии путем смешивания по меньшей мере одного исходного материала соединения металла, выбранного из группы, состоящей из соединения кобальта, соединения никеля и соединения молибдена, и оксида графена в качестве исходных материалов в инертном растворителе; и
стадию облучения суспензии светом, имеющим длину волны в диапазоне от 100 нм до 800 нм.
8. Способ получения композита по п.7, в котором
соединение кобальта в качестве исходного материала представляет собой по меньшей мере одно соединение из соли кобальта с неорганической кислотой, соли кобальта с карбоновой кислотой, соли кобальта с сульфоновой кислотой, гидроксида кобальта, двойной соли кобальта или комплекса кобальта,
соединение никеля в качестве исходного материала представляет собой по меньшей мере одно соединение из соли никеля с неорганической кислотой, соли никеля с карбоновой кислотой, соли никеля с сульфоновой кислотой, гидроксида никеля, двойной соли никеля или комплекса никеля, и
соединение молибдена в качестве исходного материала представляет собой по меньшей мере одно соединение из соли молибдена с неорганической кислотой, соли молибдена с карбоновой кислотой, соли молибдена с сульфоновой кислотой, гидроксида молибдена, двойной соли молибдена, комплекса молибдена или соли молибдена с серой.
9. Фотокатализатор, содержащий композит соединения металла - оксида графена по любому из пп.1-6.
10. Способ получения водорода, включающий стадию облучения источника водорода, содержащего по меньшей мере воду или спирт, светом, в присутствии композита соединения металла - оксида графена по любому из пп.1-6.
11. Способ получения водорода по п.10, в котором в качестве облучающего света используется по меньшей мере солнечный свет или свет от белого светодиода.
12. Устройство для получения водорода, содержащее композит соединения металла - оксида графена по любому из пп.1-6 в качестве катализатора.
RU2019112679A 2016-10-05 2017-10-05 Комплекс соединения металла - оксида графена RU2019112679A (ru)

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