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Transparent and anti-fogging AlPO_(4)-5 films constructed by oblique oriented nano-flake crystals

Chinese Journal of Chemical Engineering 2022年第4期35卷 332-340页

作者： Fei Tong Jie Gong Liang Yu Ming Li Lixiong Zhang School of Chemistry and Environmental Engineering Jiangsu University of TechnologyChangzhou 213001China State Key Laboratory of Materials-Oriented Chemical Engineering and College of Chemical Engineering Nanjing Tech UniversityNanjing 211816China Chemical Technology LuleåUniversity of TechnologySE-97187 LuleåSweden

In the present work,transparent and anti-fogging AlPO_(4)-5 films were prepared on glass substrates using a novel developed *** process entails a simple in-situ sol–gel followed by vapor phase *** in-situ sol–gel process was implemented by coating the precursor sols for the synthesis of AlPO4-5 on the glass substrates successively using the spin-coating *** films and powders scribed from the films were characterized by X-Ray diffraction(XRD),Fourier transform infrared spectroscopy(FT-IR),scanning electron microscope(SEM),atomic force microscope(AFM),X-ray photoelectron spectroscopy and transmission electron microscope(TEM).The unique films were composed of oblique oriented nanoflake AlPO_(4)-5 crystals with the thickness of about 20 *** formation of nano-flake crystals can be ascribed to the high concentration of the precursors,resulting in the formation of a supersaturation *** obtained films showed high antifogging performance due to the superhydrophilicity with a water contact angle of lower than 1.0°.The silicone oil contact angle was also low about 8.2°.In addition,heteroatom-substituted AlPO_(4)-5 films showing different colors can be obtained easily by simply adding transition metal ions in the phosphate acid solution during the preparation that can extend the application of the method for different coating demand.

关键词： AlPO_(4)-5 thin film Oriented film Transparent Superhydrophilicity anti-fogging

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A TiO_(2)nanotubes film with excellent antireflective and near-perfect self-cleaning performances

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Journal of Materials Science & Technology 2021年第29期88卷 11-20页

作者： Kaibin Li Ming Li Chang Xu Zengyan Du Jiawang Chen Fengxia Zou Chongwen Zou Sichao Xu Guanghai Li Key Laboratory of Materials Physics Anhui Key Laboratory of Nanomaterials and NanotechnologyInstitute of Solid State PhysicsHefei Institutes of Physical ScienceChinese Academy of SciencesHefei230031China University of Science and Technology of China Hefei230026China National Synchrotron Radiation Laboratory University of Science and Technology of ChinaHefei230026China

SiO_(2)/TiO_(2)composite films have been frequently used to realize the functions of self-cleaning and *** the TiO_(2)volume ratio in SiO_(2)/TiO_(2)composite film is beneficial to enhance the self-cleaning effect,while high TiO_(2)content leads to a strong Rayleigh scattering and depresses the antireflective performance,resulting in a bottleneck problem for the dual-functional ***,we have achieved a high-quality TiO_(2)nanotubes film with excellent antireflective and near-perfect selfcleaning *** assisted pickling method has been developed to effectively prepare the well-dispersed protonated titanate nanotubes *** spin-coating and annealing treatment,glass substrate coated with double-side TiO_(2)nanotubes film has a peak transmittance of 99.2%and average transmittance of 97.4%at 400-800 ***-high porosity of TiO_(2)nanotubes film(80%)and ultra-fine size of TiO_(2)nanotubes(8.6 nm in outer diameter)lead to excellent antireflective *** high UV absorptivity(80%at 254 nm)and formal quantum efficiency of stearic acid(10.9×10^(-3)),TiO_(2)nanotubes film shows near-perfect self-cleaning performance.A persistent anti-fogging ability is also *** study demonstrates the feasibility to fabricate pure TiO_(2)antireflective coating for glass substrate,extends application field of the classic TiO_(2)nanotubes,and sheds lights on the practical applications of high-powered TiO_(2)nanotube-based multi-functional films.

关键词： TiO_(2)nanotubes antireflective Self-cleaning anti-fogging Multi-functional films

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Broadband antireflective Superhydrophilic Thin Films with Outstanding Mechanical Stability on Glass Substrates

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Chinese Journal of Chemistry 2014年第6期32卷 507-512页

作者： Lin Yao Junhui He Functional Nanomaterials Laboratory and Key Laboratory of Photochemical Conversion and Optoelectronic Materials Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China Graduate University of Chinese Academy of Sciences Beijing 100864China

A facile approach was developed to fabricate visible/near-infrared antireflective(AR),superhydrophilic and anti-fogging thin films on glass *** substrate was first etched by H_(2)SiF_(6)-based vapor and then dip-coated sequentially in a base-catalyzed 20 nm SiO_(2)nanoparticles sol and an acid-catalyzed SiO_(2)*** an-nealing,the prepared thin film(named E/BSiO_(2)/ASiO_(2))not only showed good optical and wetting properties,but also exhibited excellent mechanical *** thin film has enhanced transmittance in the spectral range of UV to *** maximum transmittance of E/BSiO_(2)/ASiO_(2)thin film coated glass substrate is 98.4%in 400-1200 nm and 96.1%in 1200-2500 nm,*** with blank glass substrate,the average transmittance increases by 5%in the wavelength range of 300-2500 ***,the film showed good anti-fogging *** and AFM were employed to characterize the morphology of the thin *** pre-pared thin film has potential application in various areas,like solar cells,windowpanes and eyeglasses,and may also find applications in membrane-based separation,selective catalysis and sensors.

关键词： etching antireflection superhydrophilicity anti-fogging mechanical properties

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