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The decoration of semiconductor nanostructures with small metallic clusters usually leads to an improvement of their properties in sensing or catalysis. Bimetallic cluster decoration typically is claimed to be even more effective. Here, we report a detailed investigation of the effects of Au, Pt or AuPt nanocluster decoration of ZnO nanorods on charge transport, photoluminescence and UV sensitivity. ZnO nanorods were synthesized by chemical bath deposition while decoration with small nanoclusters (2–3 nm in size) was achieved by a laser-ablation based cluster beam deposition technology. The structural properties were investigated by scanning electron microscopy, high resolution transmission electron microscopy, X-ray photoelectron spectroscopy and Rutherford backscattering spectrometry, and the optoelectronic properties by current–voltage and photoluminescence measurements. The extent of band bending …
Royal Society of Chemistry
Publication date: 
1 Jan 2020

R Bahariqushchi, S Cosentino, M Scuderi, E Dumons, LP Tran-Huu-Hue, V Strano, D Grandjean, P Lievens, Guylaine Poulin-Vittrant, C Spinella, A Terrasi, G Franzò, S Mirabella

Biblio References: 
Volume: 12 Issue: 37 Pages: 19213-19222