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Please use this identifier to cite or link to this item: http://hdl.handle.net/10204/6375

Title: Fabrication of high efficacy selective solar absorbers
Authors: Tile, N
Keywords: Solar absorber materials
Nickel oxide
Sol-gel
Carbon precursor sol
NiO precursor sol
Diethanol amine
Issue Date: Mar-2012
Citation: Tile, N. 2012. Fabrication of high efficacy selective solar absorbers. University of KwaZulu-Natal
Series/Report no.: Workflow;9714
Abstract: High efficiency tandem selective solar absorber materials of carbon in nickel oxide (C-NiO) composite were fabricated on an aluminium substrate using a simple and cost effective sol-gel process. The process involved preparation of carbon and nickel oxide precursor sols which were homogeneously mixed to form a final C-NiO precursor sol. The carbon precursor sol was prepared by dissolving sucrose (SUC) in 8 ml of distilled water. The NiO precursor sol was prepared by dissolving 7.5 g nickel acetate in 50 ml ethanol, then adding 6.3 g diethanol amine (DEA) to stabilise the solution followed by addition of a structure directing template of polyethylene glycol (PEG). The final C-NiO precursor sol was spin coated on pre-cleaned aluminium substrate to form thin films which were then heat treated in nitrogen ambient inside a tube furnace.
Description: A dissertation submitted in fulfilment of the requirements for the degree of Master of Science in Physics, School of Chemistry and Physics, University of KwaZulu-Natal
URI: http://hdl.handle.net/10204/6375
Appears in Collections:Nanotechnology
Laser physics and technology
Laser materials processing
General science, engineering & technology

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