Soochow University

Infovision Optoelectronics (kunshan) Co., Ltd.

Suzhou Timelyblue Environmental Technology, Co., Ltd.

Jun Jiang

Jianmei Lu

Dongyun Chen

Te-Chen Chung

Najun Li

Limei Jiang

Jiajun Shen

A display panel with switchable wide and narrow viewing angles, a driving method, and a display device are provided. The display panel is provided with a patterned identification area and a non-identification area. The display panel includes a light adjusting box and a display box which are arranged in a stacked manner. The light adjusting box includes a first substrate, a second substrate and a first liquid crystal layer. The first substrate is provided with a common viewing angle electrode, the second substrate is provided with a first viewing angle electrode and a second viewing angle electrode matching the common viewing angle electrode, the first viewing angle electrode corresponds to the identification pattern area, and the second viewing angle electrode corresponds to the non-identification pattern area.

Display panel with switchable wide and narrow viewing angles, driving method and display device

The invention discloses a phosphorus-doped tubular carbon nitride micro-nano material and application thereof in waste gas treatment. Melamine is partially hydrolyzed into cyanuric acid through a phosphorous acid-assisted hydrothermal method to form a melamine-cyanuric acid super molecular precursor; the center of the precursor starts to be pyrolyzed under heating calcination, and thus phosphorus-doped tubular carbon nitride is obtained; the phosphorus-doped tubular carbon nitride and sodium borohydride are mixed and subjected to low-temperature calcination in an inert gas atmosphere, and defect-modified phosphorus-doped tubular carbon nitride is obtained. The defect-modified phosphorus-doped tubular carbon nitride micro-nano material has a good photocatalytic effect on catalytic degradation of waste gas; besides, the production raw materials are abundant and easy to obtain, and the phosphorus-doped tubular carbon nitride micro-nano material is good in stability and recyclable and has application prospects in waste gas treatment.

Phosphorus-doped tubular carbon nitride micro-nano material and application thereof in catalytic treatment of exhaust gas

The invention discloses a visible light responsive titanium dioxide nanowire/metal organic skeleton/carbon nanofiber membrane and preparation method and application thereof. A CNF (Carbon Nano Fiber)/TiOnano-wire/MIL-100 (represented as CTWM) membrane material is prepared and an MIL-100 material is used for adsorbing waste gas to enhance the photocatalytic effect of titanium dioxide on the membrane material; a CNF/TiO/MIL-100 membrane catalyst sufficiently utilizes the adsorption capability of MIL-100 on the waste gas, the photocatalytic degradation performance of the TiOand high electrical conductivity of CNF to effectively prolong the service life of photoelectrons and promote the photocatalytic activity of the photoelectrons.

Visible light responsive titanium dioxide nanowire/metal organic skeleton/carbon nanofiber membrane and preparation method and application thereof

Disclosed are a honeycomb-like homo-type heterojunction carbon nitride composite material and a preparation method thereof, and an application of the honeycomb-like homo-type heterojunction carbon nitride composite material in catalytic treatment of waste gas. The preparation method includes the following steps: with two different carbon nitride precursors namely urea and thiourea as raw materials, weighing certain amounts of the urea and the thiourea, adding the urea and the thiourea into a crucible, adding a certain amount of ultrapure water, placing the crucible in a muffle furnace, and carrying out calcination molding. The honeycomb-like homo-type heterojunction carbon nitride prepared by the one-step method has good photocatalytic effect to catalytic degradation of NO; meanwhile, the honeycomb-like homo-type heterojunction carbon nitride composite material has the advantages of rich and easily-available production raw materials, good stability, reusability, etc., and has application prospects in the field of treatment of NO in the air.

Honeycomb-like homo-type heterojunction carbon nitride composite material and preparation method thereof, and application in catalytic treatment of waste gas

The invention discloses a functionalized hybrid nanotube C@MoS/SnSand preparation method and application thereof. Dissolving ammonium molybdate tetrahydrate in water under ultrasound, adding ethylenediamine with stirring, and then adding dilute hydrochloric acid dropwise to react to obtain MoO-EDA nanowires; adding L-cysteine and glucose into water containing MoO-EDA nanowires, and obtaining a dispersion by ultrasonication; heating the dispersion and then centrifuging, then drying the solid matter and then calcining to obtain C@MoSnanotubes; adding C@MoSnanotubes into water containing SnCl.5HO and KSCN, and hydrothermally reacting to obtain functionalized hybrid nanotubes C@MoS/SnS. The invention realizes photocatalytic reduction of heavy metal ions to achieve treatment of heavy metal ion solution.

Functionalized hybrid nanotube C@MoS/SnSand preparation method and application thereof

The present invention discloses a material used for rapid separation of oil and water and preparation method and application thereof, the mesh material is placed into monomer solution, reacting with the presence of initiator to prepare material used for rapid separation of oil and water. The monomer is divinylbenzene or 2-(dimethylamino) ethyl methacrylate, and the mesh material is stainless steel mesh. The present invention modifies the functional small molecules and polymers to the surface of the materials, thereby preparing multifunctional composite materials, effectively separating oil-water emulsion, so as to achieve the purpose of oil-water separation.

Material used for rapid separation of oil and water and preparation method and application thereof

A hollow porous carbon nitride nanospheres composite loaded with AgBr nanoparticles, preparation method thereof, and its application in dye degradation are disclosed. Using silica nanosphere with core-shell structure as a template and hydrogen cyanamide as precursor, melting to enter the pores of mesoporous silica, after calcination, the silica template is etched with ammonium bifluoride to obtain hollow porous carbon nitride nanospheres; dispersing hollow porous carbon nitride nanospheres in deionized water, adding silver nitrate and sodium bromide in sequence, and obtaining silver bromide nanoparticles by in-situ ion exchange method, stirring, washing and centrifuging to obtain the hollow porous carbon nitride nanospheres composite. The hollow porous carbon nitride prepared by the template method has good photocatalytic effect on dye degradation after composite with silver bromide; and it has the advantages of easy production of raw materials, good stability, reusability, etc. It has application prospects in the treatment of dyes.

Hollow porous carbon nitride nanospheres composite loaded with AgBr nanoparticles, preparation method thereof, and its application in dye degradation

A 3D ruthenium/graphene aerogel composite loaded with MOF, preparation method thereof, and its application in continuous treatment of CO are disclosed. Using a simple solvothermal method, ruthenium is simultaneously embedded in the aerogel formation process to form a 3D ruthenium/graphene aerogel, which is freeze-dried; the dried aerogel is surface carboxylated, and the MOF material is modified on the surface by step-by-step assemble strategy, and finally the ruthenium/graphene aerogel composite loaded with MOF is obtained. Also disclosed are a simple method, and a cycle involving the simultaneous adsorption and catalytic oxidation of CO eventually formed due to the adsorption ability of MOF and the catalytic ability of catalysts. Furthermore, the adsorption of MOF can increase the instantaneous concentration of CO around the catalyst, which in turn increases the reaction rate. In particular, the product prepared by the simple method has excellent properties for catalytic CO performance.

3D ruthenium / graphene aerogel composite loaded with metal-organic frameworks, preparation method thereof, and its application in continuous treatment of CO

The invention discloses a preparation method of a graphene aerogel metallic organic frame composite material loaded with microorganism as well as preparation method and application thereof in the treatment of azo dye. By using a hydrothermal method, a GA/MIL-100 graphene aerogel metallic organic frame composite material is successfully prepared, and in addition, the composite material disclosed by the invention has good adsorption and degradation effects on an azo dye. In addition, an adsorption method and a biological method are effectively combined, advantages of the two methods are taken into play, and a good application prospect can be achieved.

Graphene aerogel metallic organic frame composite material loaded with microorganism as well as preparation method and application thereof in the treatment of azo dye

Titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane and its preparation method and application are disclosed. Mixing graphene oxide, sodium chloroethanesulfonate, and sodium hydroxide uniformly in the water, and then adding concentrated nitric acid to obtain sulfonated graphene oxide; mixing the aqueous solution of said sulfonated graphene oxide with the aqueous solution of silver nitrate, stirring in the dark, then adding ascorbic acid, and continuing to stir to obtain a silver nanoparticle/sulfonated graphene oxide composite material; dispersing said silver nanoparticle/sulfonated graphene oxide composite material in water, and then deposited on said titanium dioxide nanorods arrays by vacuum deposition, and vacuum dried to obtain titanium dioxide/sulfonated graphene oxide/silver nanoparticle composite membrane. The membrane possessed photocatalytic effect under UV light and special wettability: super-hydrophobic oil under water/super-hydrophobic under oil, which could in situ separation and degradation of oil/water emulsion.

Titanium dioxide / sulfonated graphene oxide / Ag nanoparticle composite membrane and preparation and application thereof

A preparation method of hollow mesoporous carbon nanosphere composite material loaded with gold nanoparticles includes the following steps: (1) in the presence of an initiator, aniline and pyrrole are polymerized in deionized water containing a surfactant to form hollow carbon precursors, and then calcined to obtain hollow mesoporous carbon nanospheres, (2) said hollow mesoporous carbon nanospheres are immersed in a chloroauric acid solution, stirred and then centrifuged to remove the liquid, finally, hollow mesoporous carbon nanosphere composite material loaded with gold nanoparticles are obtained by reduction treatment.

Hollow mesoporous carbon nanosphere composite material loaded with gold nanoparticles, and preparation method thereof and application in continuous processing of CO

A preparation method of a titanium-dioxide-based double-layer hollow material includes the following steps: (1) using polystyrene nanospheres with particle size of 180 nm as a template, tetrabutyl titanate as a precursor, to prepare hollow titanium dioxide by calcining; (2) subjecting said hollow titanium dioxide to carboxylation modification to prepare carboxylated titanium dioxide; and (3) dispersing said carboxylated titanium dioxide in ethanol, using chromic nitrate nonahydrate as an assembly agent and trimesic acid as a crosslinking agent to carry out layer-by-layer self-assembly so as to prepare the titanium-dioxide-based double-layer hollow material.

Titanium-dioxide-based double-layer hollow material, preparation method thereof, and application thereof in photocatalytic treatment of hydrogen sulfide

The invention discloses a composite with an adsorption-visible light catalytic degradation synergistic effect and a preparation method and application thereof. The preparation method includes the specific steps that firstly, a bismuth oxyiodide/bismuth oxychloride composite nano-particle loaded activated carbon fiber composite ACF@BiOIClis synthesized; then, the fiber surface is grafted with polyethyleneimine, and the end composite PEI-g-ACF@BiOIClis obtained. The composite can rapidly adsorb pollutants in water, and meanwhile the pollutants are efficiently degraded with a photocatalyst loaded on the surface of the composite; besides, the purpose of recycling and reusing the photocatalyst is achieved, the comprehensive treatment capability of the composite is improved, the service life of the composite is prolonged, and the use cost is lowered.

Composite with synergistic effect of adsorption and visible light catalytic degradation and preparation method and application thereof

This invention relates to an oil-absorbent polymer and the preparation method thereof, and disclosed a preparation method of quick oil absorbent material, which comprises: (1) Mixing and stirring well monomer A, vinyl monomer, initiator and vesicant to form a copolymerization system, wherein the amount of monomer A is in the range of approximately 10-50 wt %, the amount of vinyl monomer is in the range of approximately 48-88 wt %, the amount of initiator is in the range of approximately 0.01-5 wt %, the amount of vesicant is in the range of approximately 1-5 wt %; (2) And then immersing fiber carriers into the liquid of above-said copolymerization system to adsorb the liquid on the fiber carriers, then heating the fiber carriers under a temperature between 60&#x2dc;80&#xb0; C. for 1&#x2dc;4 hours to synthesize polymers on the fiber carriers. The quick oil absent material is less dense than water, and has both high adsorption capacity and high adsorption rate, meanwhile it can be repeatedly used and the absorbed valuable oils can be regenerated to reduce cost effectively.

Growing community of inventors

Suzhou, China

Jun Jiang