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cond-mat.mtrl-sci2017
Crystal Growth of Cu6(Ge,Si)6O18.6H2O and Assignment of UV-VIS Spectra in Comparison to Dehydrated Dioptase and Selected Cu(II) Oxo-Compounds Including Cuprates
Hans Hermann Otto
It is reported on growth of mm-sized single-crystals of the low-dimensional S = 1/2 spin compound Cu6(Ge,Si)6O18.6H2O by a diffusion technique in aqueous solution. A route to form…
cond-mat.mtrl-sci2016★ 2 cited
Perovskite Twin Solar Device with Estimated 50% Bifacial PCE Potential and New Solar Material Options
Hans Hermann Otto
There are recent investigations regarding tandem solar cells with a top perovskite cell and a bottom silicon one with a potential of > 25% power conversion efficiency. Because of s…
cond-mat.mtrl-sci2009
Vibrational spectra of copper polysilicate, CuSiO3
Marco Meibohm, Hans Hermann Otto, Wolfgang Brockner
This is a representation of the first Raman and IR / FIR spectra for orthorhombic copper polysilicate, CuSiO3, measured at room temperature on polycrystalline samples and a compari…