2011
DOI: 10.1051/epjap/2011110072
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ZnO and Al-doped ZnO thin films prepared by spray pyrolysis for ethanol gas sensing

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Cited by 10 publications
(4 citation statements)
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“…Zinc oxide (ZnO) is one of the most multifunctional semiconductor material used in different applications' domains like optoelectronic devices [1], light emitting diode (LED) [2], gas sensors [3], and photovoltaic devices [4], owing to its direct wide band gap of 3.37 eV [5], n-type conductivity and high exciton binding energy of 60 meV [6]. On the other hand, it is one of the most potential materials for being used as a TCO (Transparent Conducting Oxides) because of its high electrical conductivity due to lack of oxidation and high transparency in the visible wavelength range.…”
Section: Introductionmentioning
confidence: 99%
“…Zinc oxide (ZnO) is one of the most multifunctional semiconductor material used in different applications' domains like optoelectronic devices [1], light emitting diode (LED) [2], gas sensors [3], and photovoltaic devices [4], owing to its direct wide band gap of 3.37 eV [5], n-type conductivity and high exciton binding energy of 60 meV [6]. On the other hand, it is one of the most potential materials for being used as a TCO (Transparent Conducting Oxides) because of its high electrical conductivity due to lack of oxidation and high transparency in the visible wavelength range.…”
Section: Introductionmentioning
confidence: 99%
“…ZnO is one of the most important wide-band-gap materials (3.3 eV, at 300 K) that has superior electronic and optical properties. [1][2][3][4] As a low cost and non-toxic II-VI semiconductor, its promising applications in thin-film transistors, [5][6][7] dyesensitized solar cells, 8,9 gas sensors, 10,11 varistors 12,13 and transparent conductive oxides or TCOs 14,15 have initiated intensive research. However, doping may be necessary to enhance its performance in view of electronic and optoelectronic devices.…”
Section: Introductionmentioning
confidence: 99%
“…It exhibits good piezoelectric, photoelectric and optical properties. Hence, it is an ideal candidate to realize optical devices, such as light emitting diodes, transparent conductive films, solar cells [1,2], sensors [3] and surface acoustic wave devices. ZnO thin films and nanostructures have been produced by a wide range of growth techniques, including chemical vapor deposition (CVD) [4], magnetron sputtering [5], laser molecular beam epitaxy [6], sol-gel [7] and spray pyrolysis [8][9][10][11] Among these methods, spray pyrolysis is appropriate for large area thin film formation and easy doping.…”
Section: Introductionmentioning
confidence: 99%