Catalytic Carbon Monoxide Oxidation Using Bio-Templated Platinum Clusters

Hüttl, Regina; Ullrich, Frank; Wolf, G.; Kirchner, Alexander; Löthman, Per A.; Katzschner, Beate; Pompe, W.; Mertig, Michael

doi:10.1007/s10562-009-0120-y

Cited by 8 publications

(3 citation statements)

References 31 publications

(36 reference statements)

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“…It shows good reactivity towards noble metals at ambient temperature. This reductant has been widely used in electroless deposition of gold (Sadik et al, 2005; or palladium (Lelental, 1973), although application for synthesis of platinum or gold nanoparticles was also reported (Hüttl et al, 2009;.…”

Section: Introductionmentioning

confidence: 99%

Kinetic studies of gold(III) chloride complex reduction and solid phase precipitation in acidic aqueous system using dimethylamine borane as reducing agent

et al. 2012

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Section: Introductionmentioning

confidence: 99%

Kinetic studies of gold(III) chloride complex reduction and solid phase precipitation in acidic aqueous system using dimethylamine borane as reducing agent

et al. 2012

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“…Functional groups on the surface are aligned in well‐defined positions and orientations, acting as binding sites for the fixation of various nanomaterials (Figure C). Numerous regular 2D nanoparticle arrays have been prepared through the template‐directed synthesis of S‐layer proteins, such as Au NPs, FePt NPs, Pt, Pd, CdSe/ZnS core/shell quantum dots, and silica . Moreover, gold NPs of different diameters and small size (5–20 nm) on S‐layer proteins can serve as catalysts to produce orientation‐controlled growth of Ge nanowires (Figure D) .…”

Section: Bioinspired Synthesis Via Bio‐macromolecule Regulationmentioning

confidence: 99%

Biomimetic and Bioinspired Synthesis of Nanomaterials/Nanostructures

2016

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In recent years, due to its unparalleled advantages, the biomimetic and bioinspired synthesis of nanomaterials/nanostructures has drawn increasing interest and attention. Generally, biomimetic synthesis can be conducted either by mimicking the functions of natural materials/structures or by mimicking the biological processes that organisms employ to produce substances or materials. Biomimetic synthesis is therefore divided here into "functional biomimetic synthesis" and "process biomimetic synthesis". Process biomimetic synthesis is the focus of this review. First, the above two terms are defined and their relationship is discussed. Next different levels of biological processes that can be used for process biomimetic synthesis are compiled. Then the current progress of process biomimetic synthesis is systematically summarized and reviewed from the following five perspectives: i) elementary biomimetic system via biomass templates, ii) high-level biomimetic system via soft/hard-combined films, iii) intelligent biomimetic systems via liquid membranes, iv) living-organism biomimetic systems, and v) macromolecular bioinspired systems. Moreover, for these five biomimetic systems, the synthesis procedures, basic principles, and relationships are discussed, and the challenges that are encountered and directions for further development are considered.

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“…One of the simplest but highly ordered proteinaceous nanoporous membranes in nature are bacterial surface layers (s-layers), a spontaneously occurring protective layer on the surface of the bacterial cell. This regularly structured nanoporous membrane protects and regulates a minimum out-and influx of nutrients to the cell and can be used as templates to synthesize metallic nanoparticles in the lower nanorange (1,4 nm) or as a soft membrane in nanobiodevices [5]. Nanopores such as the protein hemolysin are found in cell membranes, acting as transport channels for ions or molecules in and out of cells [6][7][8].…”

Section: Introductionmentioning

confidence: 99%

Graphene Nanopores

Löthman¹

2021

Nanopores

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Graphene is a two-dimensional, atomic thin, usually impermeable nanomaterial with astonishing electrical, magnetic and mechanical properties and can therefore at its own right be found in applications as sensors, energy storage or reinforcement in composite materials. By introducing nanoscale pores graphene alter and extend its properties beyond permeability. Graphene then resembles a nanoporous sensor, a nanoporous, atomic thin membrane which opens up for such varied applications such as water purification, industrial waste water treatment, mineral recovery, analytical chemistry separation, molecular size exclusion and supramolecular separations. Due to its nanoscopic size it can serve as nanofilters for ion separation even at ultralow nano- or picomolar concentrations. It is an obvious choice for DNA translocation, reading of the sequence of nucleotides in a DNA molecule, and other single molecular analyses as well for biomedical nanoscopic devices since dimensions of conventional membranes does not suffice in those applications. Even though graphene nanopores are known to be unstable against filling by carbon adatoms they can be stabilized by dangling bond bridging via impurity or foreign atoms resulting in a robust nanoporous material. Finally, graphene’s already exceptional electronic properties, its charge carriers exhibit an unusual high mobility and ballistic transport even at 300 K, can be made even more favorable by the presence of nanopores; the semimetallic graphene turns into a semiconductor. In the pores, semiconductor bands with an energy gap of one electron volt coexist with localized states. This may enable applications such as nanoscopic transistors.

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Catalytic Carbon Monoxide Oxidation Using Bio-Templated Platinum Clusters

Cited by 8 publications

References 31 publications

Kinetic studies of gold(III) chloride complex reduction and solid phase precipitation in acidic aqueous system using dimethylamine borane as reducing agent

Kinetic studies of gold(III) chloride complex reduction and solid phase precipitation in acidic aqueous system using dimethylamine borane as reducing agent

Biomimetic and Bioinspired Synthesis of Nanomaterials/Nanostructures

Graphene Nanopores

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