المنتجات الساخنة
Band alignment of rutile and anatase TiO2 Nature
网页2013年7月7日To understand the band alignment of anatase and rutile TiO 2, we have carried out three separate computational analyses on
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Crystalline phase regulation of anatase–rutile TiO2 for the
网页with different contents of anatase and rutile have been success-fully prepared in an acidic hydrothermal system by Li et al.22 Tartaric acid (C 4H 6O 6) was employed as the phase
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Regulation of the rutile/anatase TiO RSC Publishing
网页2020年4月29日Anatase/rutile TiO2 heterophase junction composites have been documented to have much higher photocatalytic activity than
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Engineering of anatase/rutile TiO2 ScienceDirect
网页2021年10月1日The contact between anatase TiO 2 and rutile TiO 2 is very tight as the phase transformation occurs within the TiO 2 particle itself. Such close contact is good
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Regulation of the rutile/anatase TiO2 ScienceDirect
网页2022年7月1日According to the energy band structure theory, the photogenerated e-were transferred from the CB of anatase (-0.65 V vs NHE) to rutile CB (-0.42 V vs NHE)
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Synthesis of TiO2 with controllable ratio of anatase to rutile
网页Dual-phase TiO 2 photocatalysts with controllable ratio of anatase to rutile were synthesized, and evaluated using the degradation of Rhodamine B (RhB) under UV
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Controlled formation of anatase and rutile TiO AIP Publishing
网页2015年9月23日Here, we study the formation of rutile and anatase polymorphs of titanium dioxide by controlling the oxygen flow rate during DC reactive magnetron sputtering
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Heterophase Polymorph of TiO2 (Anatase, Rutile, Brookite, TiO2
网页TiO 2 exists naturally in three crystalline forms, anatase, rutile, and brookite [ 46, 47, 48, 49 ]. Besides that, there is another polymorph, namely TiO 2 (B) [ 50, 51 ]. These
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Effects of aging and transformation of anatase and rutile
网页2020年11月5日We investigated both pristine and aged anatase (TiO 2-A) and rutile (TiO 2-R) NPs. • Sludge P removal responses were closely related to crystal structure of TiO
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How the Anatase-to-Rutile Ratio Influences the Photoreactivity of
网页2011年11月2日We clearly observe the synergetic effect within a well-defined range of anatase-to-rutile ratios. A film with ∼60% anatase and ∼40% rutile exhibits optimal
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Reduced extrinsic recombination process in anatase and rutile TiO
网页2021年3月24日We deposited epitaxial anatase and rutile TiO 2 thin films on LaAlO 3 and γ-sapphire 0.5-mm-thick single-crystal substrates, respectively, using the pulsed layer deposition technique with an
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Regulation of the rutile/anatase TiO RSC Publishing
网页2020年4月29日Anatase/rutile TiO 2 heterophase junction composites have been documented to have much higher photocatalytic activity than single phase TiO 2 (nude anatase or nude rutile) for various chemical
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Engineering of anatase/rutile TiO2 ScienceDirect
网页2021年10月1日In this work, an anatase/rutile-TiO 2 (AR-TiO 2) heterophase junction with appropriate carbon content was successfully fabricated via an in-situ phase transformation process. The phase transformation started from the inner core of the nanoparticles and the area of phase interface between anatase and rutile was carefully controlled by
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Nanostructured TiO 2 anatase-rutile-carbon solid
网页2019年2月13日The material contains both rutile and anatase phases of TiO 2 according to XRD analysis (Fig. 2c). The one strobili and two mille-feuilles structures shown in surface view SEM (Fig. 2a ) were
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Time-resolved photoluminescence of anatase/rutile TiO2
网页2016年12月1日TiO 2 samples with various bulk and surface crystalline phases were studied by PL spectroscopy using excitation at 325 nm with a laser (Fig. 1).The emission bands corresponded to previous reports for these TiO 2 phases. Namely, anatase TiO 2 (TiO 2-500) showed an emission at ∼500 nm, while rutile TiO 2 (TiO 2-900) showed a
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Controlled formation of anatase and rutile TiO AIP Publishing
网页2015年9月23日Generally, it is only possible to synthesize rutile at low temperatures by hydrothermal methods and precipitation of crystalline TiO 2. 21–23 Besides, rutile can be obtained through high-temperature treatment, above 600 °C, by the non-reversible transformation of anatase to rutile (ART). 24–28
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Heterophase Polymorph of TiO2 (Anatase, Rutile, Brookite, TiO2
网页TiO 2 exists naturally in three crystalline forms: Anatase, rutile, brookite, and TiO 2 (B). These polymorphs exhibit different properties and consequently different photocatalytic performances. This stone aims to clarify the differences between titanium dioxide polymorphs, and the differences in homophase, biphase, and triphase properties in
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Anatase-to-Rutile Phase Transition in TiO 2
网页The light-induced phase transition of TiO 2 nanoparticles from anatase to rutile structure is reported depending on the surrounding environment, the transition being accomplished under oxygen-poor conditions. The
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Temperature dependent photoluminescence of anatase and rutile TiO
网页2018年10月5日We propose an analysis of the emission properties of anatase and rutile titanium dioxide (TiO 2) that emphasizes the role of the strong electron-phonon interaction.We performed measurements of photoluminescence (PL) spectra of bulk monocrystals under continuous wave-laser excitation and of their temperature dependence.
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Gold Nanoparticles Located at the Interface of Anatase/Rutile TiO
网页2012年3月22日Visible-light irradiation (λ > 450 nm) of gold nanoparticles loaded on a mixture of anatase/rutile TiO 2 particles (Degussa, P25) promotes efficient aerobic oxidation at room temperature. The photocatalytic activity critically depends on the catalyst architecture: Au particles with <5 nm diameter located at the interface of anatase/rutile
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Reduced extrinsic recombination process in anatase and rutile TiO
网页2021年3月24日We deposited epitaxial anatase and rutile TiO 2 thin films on LaAlO 3 and γ-sapphire 0.5-mm-thick single-crystal substrates, respectively, using the pulsed layer deposition technique with an
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Nanostructured TiO 2 anatase-rutile-carbon solid
网页2019年2月13日The material contains both rutile and anatase phases of TiO 2 according to XRD analysis (Fig. 2c). The one strobili and two mille-feuilles structures shown in surface view SEM (Fig. 2a ) were
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Engineering of anatase/rutile TiO2 ScienceDirect
网页2021年10月1日In this work, an anatase/rutile-TiO 2 (AR-TiO 2) heterophase junction with appropriate carbon content was successfully fabricated via an in-situ phase transformation process. The phase transformation started from the inner core of the nanoparticles and the area of phase interface between anatase and rutile was carefully controlled by
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High-temperature solid-state rutile-to-anatase phase
网页2022年11月1日Anatase TiO 2 (A-TiO 2) was obtained by annealing the synthesized rutile TiO 2 powder in a two-step thermal process under NH 3 flow and subsequently in air. R–TiO 2 was first heated under an NH 3 atmosphere to replace some of the oxygen atoms in the rutile lattice with N atoms. This process produced dramatic changes in the crystalline
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Time-resolved photoluminescence of anatase/rutile TiO2
网页2016年12月1日TiO 2 samples with various bulk and surface crystalline phases were studied by PL spectroscopy using excitation at 325 nm with a laser (Fig. 1).The emission bands corresponded to previous reports for these TiO 2 phases. Namely, anatase TiO 2 (TiO 2-500) showed an emission at ∼500 nm, while rutile TiO 2 (TiO 2-900) showed a
Contact
Heterophase Polymorph of TiO2 (Anatase, Rutile, Brookite, TiO2
网页TiO 2 exists naturally in three crystalline forms: Anatase, rutile, brookite, and TiO 2 (B). These polymorphs exhibit different properties and consequently different photocatalytic performances. This stone aims to clarify the differences between titanium dioxide polymorphs, and the differences in homophase, biphase, and triphase properties in
Contact
Anatase-to-Rutile Phase Transition in TiO 2
网页The light-induced phase transition of TiO 2 nanoparticles from anatase to rutile structure is reported depending on the surrounding environment, the transition being accomplished under oxygen-poor conditions. The
Contact
Work Function of TiO 2 (Anatase, Rutile, and Brookite) Single
网页2021年1月20日Electrochemical impedance spectroscopy, photoelectron spectroscopy, and Kelvin probe measurements on various TiO2 single-crystal surfaces show that the position of the Fermi level and the conduction band minimum depend significantly on the sample environment (vacuum, air, water vapor, and aqueous or aprotic electrolyte
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Temperature dependent photoluminescence of anatase and rutile TiO
网页2018年10月5日We propose an analysis of the emission properties of anatase and rutile titanium dioxide (TiO 2) that emphasizes the role of the strong electron-phonon interaction.We performed measurements of photoluminescence (PL) spectra of bulk monocrystals under continuous wave-laser excitation and of their temperature dependence.
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Anatase and Rutile TiO 2 Nanoparticles Lead Effective Bone
网页2021年10月27日Purpose: To evaluate the effects of anatase and rutile TiO 2 nanoparticles (NPs) on the growth and development of bones in young rats and explore their possible mechanisms. Methods: Three-week-old male rats were orally administered anatase TiO 2 NPs and rutile TiO 2 NPs for 28 days. The indicators of rat growth and
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