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Titanium dioxide and prussian blue orderly assembled mesocrystal nano material and preparation method thereof

A Prussian blue and titanium dioxide technology, applied in the field of materials, can solve the problems that limit the practicality of MOF-INC, and achieve the effects of easy access to equipment and materials, uniform size, and simple process operation

Active Publication Date: 2021-01-08
FUZHOU UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is an inherent limitation that severely limits the utility of MOF-INC for advanced applications

Method used

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  • Titanium dioxide and prussian blue orderly assembled mesocrystal nano material and preparation method thereof
  • Titanium dioxide and prussian blue orderly assembled mesocrystal nano material and preparation method thereof
  • Titanium dioxide and prussian blue orderly assembled mesocrystal nano material and preparation method thereof

Examples

Experimental program
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Embodiment 1

[0036](1) Completely dissolve 0.12g potassium ferrocyanide and 3.8g polyvinylpyrrolidone in dilute hydrochloric acid solution, stir for 30min in a magnetic stirrer with a rotating speed of 500 rpm until the solid is completely dissolved, and obtain solution A.

[0037](2) Add 0.682g of titanium sulfate to the above solution A, stir for 5min, sonicate for 25min, place it in a 100ml autoclave, and hydrothermally react at 80℃ for 24h.

[0038](3) Wash 3 times with 60ml alcohol and 60ml deionized water, andoThe orderly assembled composite material was obtained by drying in an oven of C for 12 hours.

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Abstract

The invention discloses a preparation method of a titanium dioxide and prussian blue ordered assembly state mesocrystal nano material. The preparation method comprises the following steps: preparing anovel flower-like mesocrystal nano material consisting of nanowire arrays by utilizing a hydrothermal method; preparing the monodisperse high-purity flower-like titanium dioxide and prussian blue composite material (TiO2-PB) by taking potassium ferrocyanide and titanium sulfate as raw materials, PVP as a stabilizer and diluted hydrochloric acid as a solvent and reacting at a specific temperature.The preparation method is simple in preparation process, reliable in design principle, low in production cost, short in period and environment-friendly in application; the prepared composite materialis good in monodispersity, high in purity and uniform in morphology, and has a wide application prospect in various aspects. A solid film constructed by utilizing the composite material can be conveniently applied to the surface of conventional paper so as to produce inkless printing rewritable paper with the same hand feeling and appearance. The composite material and the solid film are simple and convenient to produce, and the light printing mode is simple, environment-friendly, safe and efficient.

Description

Technical field[0001]The invention belongs to the technical field of materials, and specifically relates to a one-step synthesis of titanium dioxide and Prussian blue ordered assembled mesogenic nanomaterials and a preparation method thereof.Background technique[0002]Metal organic frameworks (MOF) and inorganic nanocrystals (INC) are both powerful materials that help alleviate the energy crisis and solve environmental problems. Some examples of successfully assembling the complementary functions of MOF and INCS provide a good reference for the design of new materials, for example, the TiO grown in the hole of MIL-1012 NCs has produced a new type of catalyst that uses TiO2And MOF to promote the photocatalytic reduction of CO2, While generating O2.[0003]However, the self-assembly of MOF-INC with definite crystallographic orientation has not been completed yet. MOF and INCs have different lattice parameters and synthesis methods. Because the self-assembly solution of colloidal particle...

Claims

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Application Information

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IPC IPC(8): C01G23/047C01C3/14B82Y40/00B82Y30/00
CPCB82Y30/00B82Y40/00C01C3/14C01G23/047C01P2002/72C01P2002/82C01P2002/85C01P2004/04C01P2004/80
Inventor 庄赞勇曹若丹兰伟灿于岩
Owner FUZHOU UNIVERSITY
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