693.932 PEOPLE
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| Naji, M. |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Azevedo, Nuno Monteiro |
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Schmuki, Patrik
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023Activation of Osmium by the Surface Effects of Hydrogenated TiO2 Nanotube Arrays for Enhanced Hydrogen Evolution Reaction Performancecitations
- 2023Single Atoms in Photocatalysis: Low Loading Is Good Enough!citations
- 2023TiO2 nanotube arrays decorated with Ir nanoparticles for enhanced hydrogen evolution electrocatalysis
- 2023Metastable Ni(I)-TiO2–x Photocatalysts: Self-Amplifying H2 Evolution from Plain Water without Noble Metal Co-Catalyst and Sacrificial Agentcitations
- 2023Fluorine Aided Stabilization of Pt Single Atoms on TiO2 Nanosheets and Strongly Enhanced Photocatalytic H2 Evolutioncitations
- 2022A Few Pt Single Atoms Are Responsible for the Overall Co‐Catalytic Activity in Pt/TiO <sub>2</sub> Photocatalytic H <sub>2</sub> Generationcitations
- 2022Comparison of the sputtered TiO2 anatase and rutile thin films as electron transporting layers in perovskite solar cellscitations
- 2022Amorphous NiCu Thin Films Sputtered on TiO2 Nanotube Arrays: A Noble‐Metal Free Photocatalyst for Hydrogen Evolutioncitations
- 2022Light‐Induced Agglomeration of Single‐Atom Platinum in Photocatalysiscitations
- 2022A facile “dark”-deposition approach for Pt single‐atom trapping on facetted anatase TiO2 nanoflakes and use in photocatalytic H2 generationcitations
- 2022Band gap and Morphology Engineering of Hematite Nanoflakes from an Ex Situ Sn Doping for Enhanced Photoelectrochemical Water Splittingcitations
- 2022Inhibition of H2 and O2 Recombination: The Key to a Most Efficient Single‐Atom Co‐Catalyst for Photocatalytic H2 Evolution from Plain Watercitations
- 2021Comparison of the sputtered TiO2 anatase and rutile thin films as electron transporting layers in perovskite solar cellscitations
- 2021Reduced grey brookite for noble metal free photocatalytic H2 evolutioncitations
- 2021Thermal Ramping Rate during Annealing of TiO2 Nanotubes Greatly Affects Performance of Photoanodescitations
- 2021Hydrogenated anatase TiO2 single crystals: defects formation and structural changes as microscopic origin of co-catalyst free photocatalytic H2 evolution activitycitations
- 2021Thermal Ramping Rate during Annealing of TiO<sub>2</sub> Nanotubes Greatly Affects Performance of Photoanodescitations
- 2021As a single atom Pd outperforms Pt as the most active co-catalyst for photocatalytic H2 evolutioncitations
- 2020Dewetting of PtCu Nanoalloys on TiO$_{2}$ Nanocavities Provides a Synergistic Photocatalytic Enhancement for Efficient H$_{2}$ Evolutioncitations
- 2020Multi-Leg TiO2 Nanotube Photoelectrodes Modified by Platinized Cyanographene with Enhanced Photoelectrochemical Performancecitations
- 2020Dewetting of PtCu Nanoalloys on TiO2Nanocavities Provides a Synergistic Photocatalytic Enhancement for Efficient H2Evolutioncitations
- 2020A Dewetted-Dealloyed Nanoporous Pt Co-Catalyst Formed on TiO2 Nanotube Arrays Leads to Strongly Enhanced Photocatalytic H-2 Productioncitations
- 2020A Dewetted-Dealloyed Nanoporous Pt Co-Catalyst Formed on TiO2 Nanotube Arrays Leads to Strongly Enhanced Photocatalytic H2 Productioncitations
- 2020Photo-Electrochemical Solar-to-Fuel Energy Conversion by Hematite-Based Photo-Anodes-The Role of 1D Nanostructuringcitations
- 2020High-performance hydrogen evolution electrocatalysis using proton-intercalated TiO2 nanotube arrays as interactive supports for Ir nanoparticlescitations
- 2019Photocatalysis with Reduced TiO2: From Black TiO2 to Cocatalyst-Free Hydrogen Productioncitations
- 2018TiO2 Nanotubes on Transparent Substrates: Control of Film Microstructure and Photoelectrochemical Water Splitting Performancecitations
- 2018A direct synthesis of platinum/nickel co-catalysts on titanium dioxide nanotube surface from hydrometallurgical-type process streamscitations
- 2010Controlling the adsorption kinetics via nanostructuring : Pd nanoparticles on TiO2 nanotubescitations
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article
A direct synthesis of platinum/nickel co-catalysts on titanium dioxide nanotube surface from hydrometallurgical-type process streams
Abstract
Solutions that simulate hydrometallurgical base metal process streams with high nickel (Ni) and minor platinum (Pt) concentrations were used to create Pt/Ni nanoparticles on TiO<sub>2</sub> nanotube surfaces. For this, electrochemical deposition – redox replacement (EDRR) was used that also allowed to control the nanoparticle size, density and Pt/Ni content of the deposited nanoparticles The Pt/Ni nanoparticle decorated titanium dioxide nanotubes (TiO<sub>2</sub> nanotubes) become strongly activated for photocatalytic hydrogen (H<sub>2</sub>) evolution. Moreover, EDRR facilitates nanoparticle formation without the need for any additional chemicals and is more effective than electrodeposition alone. Actually, a 10,000-time enrichment level of Pt took place on the TiO<sub>2</sub> surface when compared to Pt content in the solution with the EDRR method. The results show that hydrometallurgical streams offer great potential as an alternative raw material source for industrial catalyst production when coupled with redox replacement electrochemistry.