ChemInform Abstract: SEMICONDUCTOR ELECTRODES. X. PHOTOELECTROCHEMICAL BEHAVIOR OF SEVERAL POLYCRYSTALLINE METAL OXIDE ELECTRODES IN AQUEOUS SOLUTIONS

Hardee, Kenneth L.; Bard, A. J.

doi:10.1002/chin.197720017

Cited by 18 publications

(22 citation statements)

References 1 publication

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“…3a suggests that the main component is hematite showing an absorption similar to the one presented in Fig. 3 [29]. The absorption spectrum between 250 and 450 nm in Fig.…”

Section: Tio 2 (Cbe-)-pesupporting

confidence: 55%

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

Mena

Rtimi

Pulgarín

et al. 2017

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…3a suggests that the main component is hematite showing an absorption similar to the one presented in Fig. 3 [29]. The absorption spectrum between 250 and 450 nm in Fig.…”

Section: Tio 2 (Cbe-)-pesupporting

confidence: 55%

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

Mena

Rtimi

Pulgarín

et al. 2017

Colloids and Surfaces A: Physicochemical and Engineering Aspect

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“…Bacterial reduction mediated by Cu-NPs has been recently reported in suspensions or on sputtered surfaces [37][38][39][40][41][42]. We suggest that the bacterial inactivation in the dark on Cu sputtered PES proceeds in air by CuO/Cu(OH) 2 (NPs) and the production of O 2 − radicals [34,35]. The O 2 − radicals generated in Equation (4) enter the equilibrium described in Equation (5) …”

Section: Introductionmentioning

confidence: 95%

“…The excited electron reacts directly with O 2 [34][35][36] leading to O 2 − Equation (2) or reducing the Cu 2+ in the lattice to Cu + as noted in Equation (3):…”

Section: Introductionmentioning

confidence: 99%

Indoor Light Enhanced Photocatalytic Ultra-Thin Films on Flexible Non-Heat Resistant Substrates Reducing Bacterial Infection Risks

Rtimi

2017

Catalysts

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Photocatalytic antibacterial sol-gel coated substrates have been reported to kill bacteria under light or in the dark. These coatings showed non-uniform distribution, poor adhesion to the substrate and short effective lifetime as antibacterial surfaces. These serious limitations to the performance/stability retard the potential application of antibacterial films on a wide range of surfaces in hospital facilities and public places. Here, the preparation, testing and performance of flexible ultra-thin films prepared by direct current magnetron sputtering (DCMS) at different energies are reviewed. This review reports the recent advancements in the preparation of highly adhesive photocatalytic coatings prepared by up to date sputtering technology: High Power Impulse Magnetron Sputtering (HIPIMS). These latter films demonstrated an accelerated antibacterial capability compared to thicker films prepared by DCMS leading to materials saving. Nanoparticulates of Ti and Cu have been shown during the last decades to possess high oxidative redox potentials leading to bacterial inactivation kinetics in the minute range. In the case of TiO 2 -CuO x films, the kinetics of abatement of Escherichia coli (E. coli) and methicillin resistant Staphylococcus aureus (MRSA) were enhanced under indoor visible light and were perceived to occur within few minutes. Oligodynamic effect was seen to be responsible for bacterial inactivation by the small amount of released material in the dark and/or under light as detected by inductively-coupled plasma mass spectrometry (ICP-MS). The spectral absorbance (detected by Diffuse Reflectance Spectroscopy (DRS)) was also seen to slightly shift to the visible region based on the preparation method.

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“…Recently, copper-based nanomaterials have received attention because of their potential application in optoelectronic devices, catalysis and superconductors. CuO is a p-type semiconductor (E g ¼ 1.2 eV) with excellent photovoltaic, electrochemical, and catalytic properties [21][22][23][24]. Also, it is inexpensive, non-toxic, and readily available.…”

Section: Preparation and Characterization Of Cuo Nanoparticles Startimentioning

confidence: 99%

Emergent methods to synthesize and characterize semiconductor CuO nanoparticles with various morphologies – an overview

Anandan

Yang

2007

Journal of Experimental Nanoscience

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Nanotechnology can be defined as the science and engineering involved in the design, synthesis and application of materials and devices on the nanometer scale. It is not in itself a single emerging discipline, but rather a meeting of several traditional sciences such as chemistry, physics, materials science, biology and engineering to bring together the required expertise needed to develop these new technologies. The unique properties of nanoscale materials provide benefits in remediation, pollution prevention, and efficient use of resources; however, the greatest contribution to green chemistry is likely to be the new manufacturing strategies available through nanoscience. So, the present review mainly focuses on the synthesis of semiconductor CuO nanomaterials from different starting materials by adopting various routes such as vapor-solid, vapor-liquid-solid, solid-liquid, etc. to reveal the morphological features of the precursor.

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ChemInform Abstract: SEMICONDUCTOR ELECTRODES. X. PHOTOELECTROCHEMICAL BEHAVIOR OF SEVERAL POLYCRYSTALLINE METAL OXIDE ELECTRODES IN AQUEOUS SOLUTIONS

Abstract: Das photoelektrochemische Verhalten einer Anzahl von nach verschiedenen Methoden (CVD, direkte Oxidation des Metalls, Erhitzen von Metallsalzlösungen) in polykristalliner Form hergestellten halbleitenden Oxiden wird untersucht.

Cited by 18 publications

References 1 publication

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

Grafted semiconductors on PE-films leading to bacterial inactivation: Synthesis, characterization and mechanism

Indoor Light Enhanced Photocatalytic Ultra-Thin Films on Flexible Non-Heat Resistant Substrates Reducing Bacterial Infection Risks

Emergent methods to synthesize and characterize semiconductor CuO nanoparticles with various morphologies – an overview

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