Nickel-induced microwheel-like surface morphological evolution of ZnO thin films by spray pyrolysis
Identifieur interne : 001798 ( Main/Repository ); précédent : 001797; suivant : 001799Nickel-induced microwheel-like surface morphological evolution of ZnO thin films by spray pyrolysis
Auteurs : RBID : Pascal:13-0002723Descripteurs français
- Pascal (Inist)
- Mesure épaisseur, Oxyde de zinc, Couche mince, Dépôt projection, Oxyde de nickel, Spectre UV visible, Caractéristique courant tension, Oxyde d'indium, Solution aqueuse, Propriété optique, Diffraction RX, Polycristal, Réseau hexagonal, Structure cristalline, Morphologie surface, Limite absorption, Déplacement raie, Bande interdite, Concentration impureté, Microstructure, Température ambiante, Photoluminescence, Facteur remplissage, Composé minéral, Composé de métal de transition, Ni, ZnO, 8105K, Substrat verre, 7855E, 7866H, Pyrolyse par projection.
- Wicri :
- concept : Composé minéral.
English descriptors
- KwdEn :
- Absorption edge, Ambient temperature, Aqueous solutions, Crystal structure, Energy gap, Fill factor, Hexagonal lattices, IV characteristic, Impurity density, Indium oxide, Inorganic compounds, Microstructure, Nickel oxide, Optical properties, Photoluminescence, Polycrystals, Spectral line shift, Spray coatings, Spray pyrolysis, Surface morphology, Thickness measurement, Thin films, Transition element compounds, Ultraviolet visible spectrum, XRD, Zinc oxide.
Abstract
Nickel-zinc oxide (Ni-ZnO) thin films were deposited onto glass and tin-doped indium oxide-coated glass substrates by using a pneumatic spray pyrolysis technique at 450 °C from aqueous solutions of zinc acetate and nickel acetate precursors. The effect of nickel doping on structural, morphological and optical properties of the ZnO thin films has been studied. The X-ray diffraction patterns confirmed the polycrystalline nature of the films having hexagonal crystal structure. Ni-ZnO films with appropriate nickel doping revealed the occurrence of novel wheel-like surface morphology. The absorption edge of the Ni-ZnO films showed a red shift, meaning that the optical band gap energy decreases as the nickel doping concentration increases. A growth model is developed and proposed for the novel wheel-like morphology. All the thin films exhibited room-temperature photoluminescence. Pure ZnO and Ni-ZnO thin films were tested for their photoelectrochemical performance in 0.5 M Na2SO4 electrolyte solution. The values of fill factor and open circuit voltage were improved for the Ni-ZnO thin films.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Nickel-induced microwheel-like surface morphological evolution of ZnO thin films by spray pyrolysis</title><author><name sortKey="Tarwal, N L" uniqKey="Tarwal N">N. L. Tarwal</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Thin Film Materials Laboratory, Department of Physics, Shivaji University</s1><s2>Kolhapur 416 004, Maharashtra</s2><s3>IND</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Inde</country><wicri:noRegion>Kolhapur 416 004, Maharashtra</wicri:noRegion></affiliation></author><author><name sortKey="Shinde, Ps" uniqKey="Shinde P">Ps. Shinde</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Thin Film Materials Laboratory, Department of Physics, Shivaji University</s1><s2>Kolhapur 416 004, Maharashtra</s2><s3>IND</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Inde</country><wicri:noRegion>Kolhapur 416 004, Maharashtra</wicri:noRegion></affiliation></author><author><name sortKey="Oh, Y W" uniqKey="Oh Y">Y. W. Oh</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Department of Nano Engineering, Kyungnam University</s1><s2>Masan 631-701</s2><s3>KOR</s3><sZ>3 aut.</sZ></inist:fA14><country>Corée du Sud</country><wicri:noRegion>Masan 631-701</wicri:noRegion></affiliation></author><author><name sortKey="Cerc Korosec, Romana" uniqKey="Cerc Korosec R">Romana Cerc Korosec</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5</s1><s2>1000 Ljubljana</s2><s3>SVN</s3><sZ>4 aut.</sZ></inist:fA14><country>Slovénie</country><wicri:noRegion>1000 Ljubljana</wicri:noRegion></affiliation></author><author><name sortKey="Patil, P S" uniqKey="Patil P">P. S. Patil</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Thin Film Materials Laboratory, Department of Physics, Shivaji University</s1><s2>Kolhapur 416 004, Maharashtra</s2><s3>IND</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Inde</country><wicri:noRegion>Kolhapur 416 004, Maharashtra</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="inist">13-0002723</idno><date when="2012">2012</date><idno type="stanalyst">PASCAL 13-0002723 INIST</idno><idno type="RBID">Pascal:13-0002723</idno><idno type="wicri:Area/Main/Corpus">001516</idno><idno type="wicri:Area/Main/Repository">001798</idno></publicationStmt><seriesStmt><idno type="ISSN">0947-8396</idno><title level="j" type="abbreviated">Appl. phys., A Mater. sci. process. : (Print)</title><title level="j" type="main">Applied physics. A, Materials science & processing : (Print)</title></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Absorption edge</term><term>Ambient temperature</term><term>Aqueous solutions</term><term>Crystal structure</term><term>Energy gap</term><term>Fill factor</term><term>Hexagonal lattices</term><term>IV characteristic</term><term>Impurity density</term><term>Indium oxide</term><term>Inorganic compounds</term><term>Microstructure</term><term>Nickel oxide</term><term>Optical properties</term><term>Photoluminescence</term><term>Polycrystals</term><term>Spectral line shift</term><term>Spray coatings</term><term>Spray pyrolysis</term><term>Surface morphology</term><term>Thickness measurement</term><term>Thin films</term><term>Transition element compounds</term><term>Ultraviolet visible spectrum</term><term>XRD</term><term>Zinc oxide</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Mesure épaisseur</term><term>Oxyde de zinc</term><term>Couche mince</term><term>Dépôt projection</term><term>Oxyde de nickel</term><term>Spectre UV visible</term><term>Caractéristique courant tension</term><term>Oxyde d'indium</term><term>Solution aqueuse</term><term>Propriété optique</term><term>Diffraction RX</term><term>Polycristal</term><term>Réseau hexagonal</term><term>Structure cristalline</term><term>Morphologie surface</term><term>Limite absorption</term><term>Déplacement raie</term><term>Bande interdite</term><term>Concentration impureté</term><term>Microstructure</term><term>Température ambiante</term><term>Photoluminescence</term><term>Facteur remplissage</term><term>Composé minéral</term><term>Composé de métal de transition</term><term>Ni</term><term>ZnO</term><term>8105K</term><term>Substrat verre</term><term>7855E</term><term>7866H</term><term>Pyrolyse par projection</term></keywords><keywords scheme="Wicri" type="concept" xml:lang="fr"><term>Composé minéral</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Nickel-zinc oxide (Ni-ZnO) thin films were deposited onto glass and tin-doped indium oxide-coated glass substrates by using a pneumatic spray pyrolysis technique at 450 °C from aqueous solutions of zinc acetate and nickel acetate precursors. The effect of nickel doping on structural, morphological and optical properties of the ZnO thin films has been studied. The X-ray diffraction patterns confirmed the polycrystalline nature of the films having hexagonal crystal structure. Ni-ZnO films with appropriate nickel doping revealed the occurrence of novel wheel-like surface morphology. The absorption edge of the Ni-ZnO films showed a red shift, meaning that the optical band gap energy decreases as the nickel doping concentration increases. A growth model is developed and proposed for the novel wheel-like morphology. All the thin films exhibited room-temperature photoluminescence. Pure ZnO and Ni-ZnO thin films were tested for their photoelectrochemical performance in 0.5 M Na<sub>2</sub>SO<sub>4</sub> electrolyte solution. The values of fill factor and open circuit voltage were improved for the Ni-ZnO thin films.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0947-8396</s0></fA01><fA03 i2="1"><s0>Appl. phys., A Mater. sci. process. : (Print)</s0></fA03><fA05><s2>109</s2></fA05><fA06><s2>3</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Nickel-induced microwheel-like surface morphological evolution of ZnO thin films by spray pyrolysis</s1></fA08><fA11 i1="01" i2="1"><s1>TARWAL (N. L.)</s1></fA11><fA11 i1="02" i2="1"><s1>SHINDE (Ps.)</s1></fA11><fA11 i1="03" i2="1"><s1>OH (Y. W.)</s1></fA11><fA11 i1="04" i2="1"><s1>CERC KOROSEC (Romana)</s1></fA11><fA11 i1="05" i2="1"><s1>PATIL (P. S.)</s1></fA11><fA14 i1="01"><s1>Thin Film Materials Laboratory, Department of Physics, Shivaji University</s1><s2>Kolhapur 416 004, Maharashtra</s2><s3>IND</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>5 aut.</sZ></fA14><fA14 i1="02"><s1>Department of Nano Engineering, Kyungnam University</s1><s2>Masan 631-701</s2><s3>KOR</s3><sZ>3 aut.</sZ></fA14><fA14 i1="03"><s1>Faculty of Chemistry and Chemical Technology, University of Ljubljana, Aškerčeva 5</s1><s2>1000 Ljubljana</s2><s3>SVN</s3><sZ>4 aut.</sZ></fA14><fA20><s1>591-599</s1></fA20><fA21><s1>2012</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>16194A</s2><s5>354000502075480120</s5></fA43><fA44><s0>0000</s0><s1>© 2013 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>48 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>13-0002723</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Applied physics. A, Materials science & processing : (Print)</s0></fA64><fA66 i1="01"><s0>DEU</s0></fA66><fC01 i1="01" l="ENG"><s0>Nickel-zinc oxide (Ni-ZnO) thin films were deposited onto glass and tin-doped indium oxide-coated glass substrates by using a pneumatic spray pyrolysis technique at 450 °C from aqueous solutions of zinc acetate and nickel acetate precursors. The effect of nickel doping on structural, morphological and optical properties of the ZnO thin films has been studied. The X-ray diffraction patterns confirmed the polycrystalline nature of the films having hexagonal crystal structure. Ni-ZnO films with appropriate nickel doping revealed the occurrence of novel wheel-like surface morphology. The absorption edge of the Ni-ZnO films showed a red shift, meaning that the optical band gap energy decreases as the nickel doping concentration increases. A growth model is developed and proposed for the novel wheel-like morphology. All the thin films exhibited room-temperature photoluminescence. Pure ZnO and Ni-ZnO thin films were tested for their photoelectrochemical performance in 0.5 M Na<sub>2</sub>SO<sub>4</sub> electrolyte solution. 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