publication . Article . 2017

Seed layer-assisted low temperature solution growth of 3D ZnO nanowall architecture for hybrid solar cells

Nanaji Islavath; Dibakar Das; Shrikant V. Joshi; Easwaramoorthi Ramasamy;
Open Access English
  • Published: 01 Feb 2017 Journal: Materials & Design (issn: 0264-1275, Copyright policy)
  • Publisher: Elsevier
Aligned metal oxide nanostructures carry electrons efficiently, and are therefore ideal building blocks for next-generation optoelectronic devices. Herein, we report the seed-layer-assisted low-temperature solution growth of aligned 3D ZnO nanowall architecture on arbitrary substrates. By introducing a controlled amount of Al into a seed-layer, the morphology of ZnO nanostructure is gradually changed from nanowire to 3D nanowalls. Time-dependent growth experiments suggest that hydroxyl-ions present in growth solution react with Al to form Al(OH)4− which in turn binds to the positively charged Zn2+ surface and partially blocking ZnO growth along the (0001) direct...
free text keywords: Materials of engineering and construction. Mechanics of materials, TA401-492, Nanostructure, Optoelectronics, business.industry, business, Energy conversion efficiency, Solar cell, law.invention, law, Nanotechnology, Materials science, Composite material, Oxide, chemistry.chemical_compound, chemistry, Nanowire, Perovskite, Hybrid solar cell, Photocurrent
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