Solution Synthesis, Surface Passivation, Optical Properties, Biomedical Applications, and Cytotoxicity of Silicon and Germanium Nanocrystals.
Sign Up to like & getrecommendations! Published in 2017 at "ChemPlusChem"
DOI: 10.1002/cplu.201600207
Abstract: Silicon and germanium nanocrystals (NCs) are attractive materials owing to their unique size and surface-dependent optical properties. The optical properties of silicon and germanium NCs make them highly suitable for a range of applications, including… read more here.
Keywords: germanium; optical properties; surface; silicon germanium ... See more keywords
Germanium Dioxide and the Antioxidant Properties of Catechols
Sign Up to like & getrecommendations! Published in 2019 at "European Journal of Inorganic Chemistry"
DOI: 10.1002/ejic.201801259
Abstract: Complexes of tetra‐ and hexa‐coordinated germanium AdrCat2Ge (1, AdrCat = adrenaline catecholate), AldCat2Ge (2, AldCat = 4‐formylcatecholate), AldCat3Ge(Et3NH)2 (3) were synthesized by the reaction of germanium dioxide with adrenaline and 3,4‐dihydroxybenzaldehyde in aqueous solution. The… read more here.
Keywords: mol; germanium dioxide; antioxidant properties; germanium ... See more keywords
A novel catalytic adsorptive stripping voltammetric method for the determination of germanium ultratraces in the presence of chloranilic acid and the V(IV)·HEDTA complex
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Solid State Electrochemistry"
DOI: 10.1007/s10008-020-04669-0
Abstract: A novel, sensitive catalytic adsorptive stripping voltammetric procedure which can be used to determine trace amounts of germanium is described. The method is based on the interfacial accumulation of the complex formed by Ge(IV) and… read more here.
Keywords: catalytic adsorptive; presence; germanium; hedta ... See more keywords
Design of germanium core with anisotropic metamaterial cladding optical fiber in mid-infrared range applications
Sign Up to like & getrecommendations! Published in 2020 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-020-02415-4
Abstract: A novel circular shaped metamaterial optical fiber with semiconductor core, metal/dielectric clad is numerically investigated. To surpass higher absorption loss and instability of noble metal, the core guiding medium of the fiber is comprised by… read more here.
Keywords: germanium; core; fiber; mid infrared ... See more keywords
Vacancy Clustering in Dislocation-Free High-Purity Germanium
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DOI: 10.1007/s11664-020-08260-1
Abstract: A germanium crystal of high purity was grown in H2 with a maximum dislocation density of 3000 cm−2, which was estimated by white beam x-ray topography. Due to a dynamical diffraction effect, the topographs revealed… read more here.
Keywords: germanium; vacancy; dislocation; dislocation free ... See more keywords
Aluminum Smelting Carbon Dust as a Potential Raw Material for Gallium and Germanium Extraction
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DOI: 10.1007/s11837-021-04563-8
Abstract: Gallium and germanium are highly important elements used in different high-tech areas, and new secondary raw materials for its extraction are the subject of a thorough search. In this study, germanium is found in the… read more here.
Keywords: carbon dust; germanium; extraction; gallium germanium ... See more keywords
Effect of sintering germanium epilayers on dislocation dynamics: From theory to experimental observation
Sign Up to like & getrecommendations! Published in 2020 at "Acta Materialia"
DOI: 10.1016/j.actamat.2020.09.047
Abstract: Abstract High-quality germanium epilayers on Si with low threading-dislocation density were achieved by sintering of porous Ge/Si films. The process consists in the formation of porous Ge nanostructures by dislocation-selective electrochemical etching of Ge/Si films,… read more here.
Keywords: sintering germanium; effect sintering; germanium; germanium epilayers ... See more keywords
Optimal process parameters for phosphorus spin-on-doping of germanium
Sign Up to like & getrecommendations! Published in 2017 at "Applied Surface Science"
DOI: 10.1016/j.apsusc.2016.09.134
Abstract: Abstract The fabrication of homogeneously doped germanium layers characterized by total electrical activation is currently a hot topic in many fields, such as microelectronics, photovoltaics, optics and radiation detectors. Phosphorus spin-on-doping technique has been implemented… read more here.
Keywords: optimal process; spin doping; diffusion; germanium ... See more keywords
White luminescence emission from silicon implanted germanium
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DOI: 10.1016/j.apsusc.2017.09.234
Abstract: Abstract Germanium crystals were implanted with low-energy and high-dose silicon ions. The implantation led to amorphization of a near-surface layer due to the formation of many adatoms and vacancies. Adatoms can be absorbed in germanium… read more here.
Keywords: emission silicon; luminescence emission; white luminescence; germanium ... See more keywords
Nano germanium incorporated thin graphite nanoplatelets: A novel germanium based lithium-ion battery anode with enhanced electrochemical performance
Sign Up to like & getrecommendations! Published in 2021 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2021.139001
Abstract: Abstract First-principles calculations forecast that germanium incorporated graphite has potential to be used as high performance negative electrode for lithium-ion batteries due to large mobility of electrons at the heterointerface. Inspired by this first-principles calculations,… read more here.
Keywords: performance; germanium incorporated; ion; germanium ... See more keywords
Review on resources and recycling of germanium, with special focus on characteristics, mechanism and challenges of solvent extraction
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Cleaner Production"
DOI: 10.1016/j.jclepro.2021.126217
Abstract: Abstract Germanium is indispensable for various applications, especially in infrared optics, and has been designated as a strategic resource. However, independent germanium deposits are rare, and the total recovery efficiency for germanium is low. Hence,… read more here.
Keywords: solvent extraction; review; aqueous solutions; germanium ... See more keywords