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IPC

G01N27/12(2006-01-01)

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Application

2016149975, 2016-12-19

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Start date

2016-12-19

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Actual filing date

2016-12-19

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Published

2018-03-05

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Inventor

Baranov Aleksandr VasilevichGromova Yuliya AleksandrovnaDubovik Aleksej YurevichKolesova Ekaterina PetrovnaMaslov Vladimir GrigorevichMiropoltsev Maksim AndreevichOrlova Anna OlegovnaReznik Ivan AlekseevichFedorov Anatolij ValentinovichCherevkov Sergej Aleksandrovich

(73)

Holder

Federalnoe Gosudarstvennoe Avtonomnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Natsionalnyj Issledovatelskij Universitet Informatsionnykh Tekhnologij, Mekhaniki I Optiki" Itmo)

ELECTRIC SENSOR FOR VAPORS OF HYDRAZINE Russian patent published in 2018 - IPC G01N27/12

Abstract RU 2646419 C1

FIELD: electricity.

SUBSTANCE: electric sensor for vapours of hydrazine contains dielectric substrate on which the electrodes and the sensitive layer are located, which changes the photoconductivity as a result of the adsorption of hydrazine vapours, consisting of a graphene-semiconductor nanocrystal structure in the form of quantum dots, whose photoconductivity decreases upon adsorption of hydrazine molecules on the surface of semiconductor nanocrystals in proportion to the concentration of hydrazine vapor in the sample. Semiconductor nanocrystals are made in the form of semiconductor nanoplatelets in the unfolded state.

EFFECT: lowering the sensitivity threshold, expanding the dynamic range of determining the concentration of hydrazine vapor and increasing the life of the sensor.

10 dwg

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RU 2 646 419 C1

Authors

Baranov Aleksandr Vasilevich

Gromova Yuliya Aleksandrovna

Dubovik Aleksej Yurevich

Kolesova Ekaterina Petrovna

Maslov Vladimir Grigorevich

Miropoltsev Maksim Andreevich

Orlova Anna Olegovna

Reznik Ivan Alekseevich

Fedorov Anatolij Valentinovich

Cherevkov Sergej Aleksandrovich

Dates

2018-03-05—Published

2016-12-19—Filed