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Zn_2GeO_4 is a novel transparent conductive oxide material, with an ultra-wide band gap of 4.5 eV, and rather good electrical conductivity. Zn_2GeO_4 nano-and microwires grown by a thermal technique show two intense emission bands centered in t[...]texto impreso
Herein, we report the influence of the surface conditions on the cathodoluminescence (CL) emissions from Zn_2GeO_4 nanowires and Zn_2GeO_4/SnO_2 heterostructures obtained by thermal evaporation technique. A Zn_2GeO_4 nanowire surrounded by a dis[...]texto impreso
Dolado Fernández, Jaime ; Martínez Casado, Ruth ; Hidalgo Alcalde, Pedro ; Gutiérrez, Rafael ; Dianat, Arezoo ; Cuniberti, Gianaurelio ; Domínguez-Adame Acosta, Francisco ; Díaz García, Elena ; Méndez Martín, Bianchi | Pergamon-Elsevier Science Ltd | 2020-09-01Achieving efficient and stable ultraviolet emission is a challenging goal in optoelectronic devices. Herein, we investigate the UV luminescence of zinc germanate Zn_2GeO_4 microwires by means of photoluminescence measurements as a function of te[...]texto impreso
Dolado Fernández, Jaime ; Renforth, Kate L. ; Nunn, James E ; Hindsmarsh, Steve A. ; Hidalgo Alcalde, Pedro ; Sánchez, Ana M. ; Méndez Martín, Bianchi | American Chemical Society | 2020-01Herein, we report the formation of a particular core-shell structure, with a zinc germanate (Zn_2GeO_4) nanowire core and a discontinuous shell of SnO_2 nanocrystals, obtained in a single-step process. We propose a growth model that combines the[...]
