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聚合络合法制备可见光响应光催化剂K 4 Ce 2 Nb 10 O 30 及其光解水活性

上官文峰 田蒙奎、Shangguan Wen-Feng Tian Meng-Kui2011-04-20Journal of Inorganic Materials

以可溶性的草酸铌为前体, 通过聚合络合法合成了可见光响应光催化剂K 4 Ce 2 Nb 10 O 30 . XRD、SEM、BET 以及UV-Vis等表征结果表明: 通过该法制备的光催化剂相对于传统高温固相反应法制备的样品具有更小(20~50nm)且分布均匀的纳米颗粒和较高的比表面积. 在可见光下( λ > 400 nm)分解水的活性测试中, 聚合络合法获得K 4 Ce 2 Nb 10 O 30 比高温固相样品具有更高的光催化分解水活性, 并且在紫外光段下( λ > 300 nm)具备了完全分解纯水的光催化活性.

Advanced Photocatalysis TechniquesLuminescence Properties of Advanced MaterialsLayered Double Hydroxides Synthesis and Applications

Confirmatory Survey Results for Portions of the Materials and Equipment from Units 1 and 2 at the Humboldt Bay Power Plant, Eureka, California

W.V. Adams2011-04-20OpenAlex

The Pacific Gas & Electric Company (PG&E) operated the Humboldt Bay Power Plant (HBPP) Unit 3 nuclear reactor near Eureka, California under Atomic Energy Commission (AEC) provisional license number DPR-7. HBPP Unit 3 achieved initial criticality in February 1963 and began commercial operations in August 1963. Unit 3 w…

Nuclear Materials and PropertiesGraphite, nuclear technology, radiation studiesNuclear and radioactivity studies

Advances in Fabrication, Characterization, Testing, and Diagnosis of High‐Performance Electrodes for PEM Fuel Cells

Jinfeng Wu、Wei Dai、Hui Li 等 4 位作者2011-04-20OpenAlex

To meet the performance, durability, and cost requirements that will enable the widespread use of proton exchange membrane (PEM) fuel cell technology, researchers have focused a great deal of attention on the fabrication, characterization, testing, and diagnosis of high-performance electrodes. To date, significant eff…

Fuel Cells and Related MaterialsConducting polymers and applicationsAnalytical Chemistry and Sensors

Polymer Grafting onto Carbon Nanotubes via Cationic Ring‐Opening Polymerization

Ye Liu、Decheng Wu2011-04-20OpenAlex

This chapter contains sections titled: Introduction Cationic Ring-Opening Polymerization of Cyclic Monomers in the Presence of Chain Transfer Reagents in One Pot Preparation of Polymers-Grafted Carbon Nanotubes Applications of Polymer-Grafted CNTs References

Carbon Nanotubes in CompositesConducting polymers and applicationsGraphene and Nanomaterials Applications

Accelerating GW Calculations with Optimal Polarizability Basis

Paolo Umari、Xiaofeng Qian、Nicola Marzari 等 6 位作者2011-04-20OpenAlex

This chapter contains sections titled: Introduction The GW Approximation The Method: Optimal Polarizability Basis Implementation and Validation Example: Point Defects in a-Si3N4 Conclusions References

GaN-based semiconductor devices and materialsAdvanced ceramic materials synthesisSemiconductor materials and interfaces

Spectrometers

Sushil K. Misra、H. A. Buckmaster、Edward J. Reijerse 等 5 位作者2011-04-20OpenAlex

This chapter contains sections titled: Zero-Field EPR Concluding Remarks Low-Frequency CW-EPR Spectrometers: 10 MHz to 100 GHz Appendix 4.2.I Appendix 4.2.II Appendix 4.2.III High-Frequency EPR Spectrometers Conclusions and Future Perspectives Pulsed Techniques in EPR Pertinent Literature References

Advanced NMR Techniques and ApplicationsSolid-state spectroscopy and crystallographyElectron Spin Resonance Studies

Evaluation of Spin‐Hamiltonian Parameters from Multifrequency EPR Data

Sushil K. Misra2011-04-20OpenAlex

This chapter contains sections titled: Introduction Perturbation Approach Brute-Force Methods to Evaluate SHP Least-Squares Fitting (LSF) Method Other Applications of the LSF Method Concluding Remarks Acknowledgments Pertinent Literature References Appendix 8.I Historical Review

Magnetism in coordination complexesAdvanced NMR Techniques and ApplicationsElectron Spin Resonance Studies

The Synthesis of VACNTs Grown on MgxZn1-xO (0< x <0.3) Template

Salina Muhamad、Suriani Abu Bakar、Rafidah Ahmad 等 10 位作者2011-04-20Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum

In this study, MgxZn1-xO thin film with x varied from 0 to 0.3 was deposited on silicon with the orientation of [1 0 0] using the sol-gel method and spin coating technique. The thin film was annealed at 550°C before being used as a template to grow vertically aligned carbon nanotubes (VACNTs). Field emission scanning…

Carbon Nanotubes in CompositesSupercapacitor Materials and FabricationNanotechnology research and applications

Oxidation and Mechanical Behaviour of Iron Based Alloys and Nickel Based Alloy for Spring Like Interconnects of the PRODHYGE High Temperature Electrolyser

Marion Lamazouade-Tarek、Isabelle Aubert、Julien Jumel2011-04-20Defect and diffusion forum/Diffusion and defect data, solid state data. Part A, Defect and diffusion forum

In the field of the ANR-PROD’HYGE project an original coaxial architecture for a High Temperature Electrolyser (French Atomic Energy Commission Patented) is studied which makes use of low-cost spring-like interconnects to cope with thermal dilatation. Components and materials used for this application must ensure high…

Advancements in Solid Oxide Fuel CellsFuel Cells and Related MaterialsNuclear Materials and Properties

Simulation of EPR Spectra

Sushil K. Misra2011-04-20OpenAlex

This chapter contains sections titled: Introduction Simulation of Single-Crystal Spectrum Simulation of a Polycrystalline Spectrum Evaluation of Spin-Hamiltonian (SH) Parameters and the Linewidth from a Polycrystalline EPR Spectrum Simulation of EPR Spectra in Disordered Materials: Application to Glassy Materials Simu…

Glass properties and applicationsLanthanide and Transition Metal ComplexesPhase-change materials and chalcogenides

Basic Theory of Electron Paramagnetic Resonance

Sushil K. Misra2011-04-20OpenAlex

This chapter contains sections titled: Introduction Crystal-Field Theory Superposition Model (SPM) Molecular Orbital (MO) Approach The Jahn–Teller (JT) Effect The Spin Hamiltonian Concluding Remarks Acknowledgments Pertinent Literature References

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes

Organic Functionalization of Nanotubes by Dipolar Cycloaddition

Vassilios Georgakilas、Dimitrios Gournis2011-04-20OpenAlex

This chapter contains sections titled: Introduction The Case of Azomethine Ylide The Case of Pyridinium Ylides The Case of Nitrile Oxide The Case of Nitrone The Case of Nitrile Imines Conclusions References

Carbon Nanotubes in CompositesFullerene Chemistry and ApplicationsSynthesis and Properties of Aromatic Compounds

Dynamic Nuclear Polarization (DNP) at High Magnetic Fields

Thomas F. Prisner、Mark J. Prandolini2011-04-20OpenAlex

This chapter contains sections titled: Introduction Historical Aspects (Metals, Solids and Liquids) at Lower Magnetic Fields Theory Hardware (High-Frequency Microwave Equipment, SS-MAS DNP, HF-Liquid DNP, Dissolution DNP, Shuttle-DNP) First Applications and Outlook Acknowledgments Pertinent Literature References

Advanced NMR Techniques and ApplicationsSolid-state spectroscopy and crystallographyAtomic and Subatomic Physics Research

Hybrid Nanomaterials in Ultrathin Films: the Sol‐Gel Method and Π‐Conjugated Polymers

Antonio F. Frau、Rigoberto C. Advíncula2011-04-20OpenAlex

This chapter contains sections titled: Why Hybrid Nanomaterials and Thin Films? How to Fabricate Hybrid, Layered, Thin-Film Nanomaterials Hybrid Nanomaterials: More than Just “Clay” and “Plastic” Sol-Gel Chemistry for Nanostructuring Conducting Polymers for Nanostructuring Hybrid Inorganic-Oxide–Polymer Materials: the…

Organic Electronics and PhotovoltaicsConducting polymers and applicationsPolyoxometalates: Synthesis and Applications

Thin‐Film Applications of Electroactive Polymers

Jennifer A. Irvin、Katie L. Winkel2011-04-20OpenAlex

This chapter contains sections titled: Introduction Applications Conclusions and Future Outlook Acknowledgments References

Organic Electronics and PhotovoltaicsOrganic Light-Emitting Diodes ResearchConducting polymers and applications