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Naderirad A, eftekharinia B, moshaii A, bakouei A. Effects of thermal modification on photoelectrochemical performance of hematite nanorod synthesis by hydrothermal method . ICOP & ICPET _ INPC _ ICOFS 2016; 22 :786-789
URL: http://opsi.ir/article-1-943-en.html
Abstract:   (2651 Views)

Abstract- Hematite (&alpha-Fe2O3) nanorod structures are grown on conductor substrate via a simple hydrothermal synthesize method. The influence of annealing temperature on the optical absorption and crystallography characterization of samples is investigated. After annealing the film, from the XRD curve, we observe the film phase changes from oxyhydroxide phase of iron oxide or &beta-FeOOH to hematite phase. The formation of nanorod structure along of substrate was observed by top-view FE-SEM images. Photoelectrochemical tests are done to optimize the best annealing temperature of the deposited samples for obtaining the best water splitting performance. We see that applying this simple and low cost method, a photocurrent of about 0.22mA/cm-2 is obtained at V= 0.5 vs Ag/AgCl.

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Type of Study: Research | Subject: Special

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