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• W2769630661 endingPage "1950031" @default.
• W2769630661 startingPage "1950031" @default.
• W2769630661 abstract "In recent years, photoelectrochemical (PEC) based devices have become attractive due to production of hydrogen by splitting water using photocatalyst alpha ([Formula: see text])-hematite (Fe 2 O 3 ) as an electrode material due to its bandgap, low cost, chemical stability and extreme abundance in nature. The [Formula: see text]-Fe 2 O 3 is also related to low carrier diffusion due to higher resistivity, slow surface kinetics, low electron mobility and higher electro–hole combination. The carrier mobility and carrier diffusion properties of [Formula: see text]-Fe 2 O 3 have been enhanced by doping as well as composite formation. Keeping in view the enhanced properties of [Formula: see text]-Fe 2 O 3 , attempt is being made to dope and form composite using trivalent “aluminum” ions. The Al–[Formula: see text]-Fe 2 O 3 nanophotocatalytic materials were synthesized by varying the ratio of Al to [Formula: see text]-Fe 2 O 3 using sol–gel technique. The nanomaterials “[Formula: see text]-Fe 2 O 3 and Al–[Formula: see text]-Fe 2 O 3 ” were physically characterized through X-ray diffraction, scanning electron microscopy (SEM), Fourier transform infrared (FTIR) spectroscopy and UV–visible techniques, respectively. The diffusion coefficient of nanomaterials at the electrode/electrolyte interface was analyzed using electrochemical analysis. Interestingly, the presence of aluminum causes the [Formula: see text]-Fe 2 O 3 to change the structural, optical and morphological properties of nanomaterials. The bandgaps of [Formula: see text]-Fe 2 O 3 vary from 2.2[Formula: see text]eV to 2.45[Formula: see text]eV due to presence of aluminum in the structure. The photocurrent studied on Al–[Formula: see text]-Fe 2 O 3 based electrode clearly shows the enhanced hydrogen production under photoelectrochemical cell." @default.
• W2769630661 created "2017-12-04" @default.
• W2769630661 creator A5026655780 @default.
• W2769630661 creator A5078718930 @default.
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• W2769630661 date "2018-12-01" @default.
• W2769630661 modified "2023-10-12" @default.
• W2769630661 title "ALUMINUM–α-HEMATITE THIN FILMS FOR PHOTOELECTROCHEMICAL APPLICATIONS" @default.
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• W2769630661 doi "https://doi.org/10.1142/s0218625x19500318" @default.
• W2769630661 hasPublicationYear "2018" @default.
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