Effects of Cu doping on the surface morphology, microstructure and photoluminescent characteristics of ZnO films

Liu, Y.; Liu, H. N.; Yang, Yu; Wang, Z.

doi:10.1179/1432891715z.0000000001804

Cited by 1 publication

(2 citation statements)

References 8 publications

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“…The reduction of rods size at lowest concentration of MgO-dopant attributed to the moderate amount of doping which promote the growth of crystal plane and assist dopant atoms to be orderly incorporated into a ZnO lattice. In contrast, excess doping restricts the function of the dopant in the ZnO [27,28]. The elemental composition of 0.5ZNO sample is confirmed by EDX analysis which revealed the presence of elements Zn, O and Mg as can be observed in Figure 2.The EDX data of weight % and atomic % for each element in 0.5ZNO sample are listed in Table 2.…”

Section: Field Emission Scanning Electron Microscope (Fe-sem) Studymentioning

confidence: 68%

“…From the Tauc plot, the band gap energy of the samples is found to be between 3.23 eV to 3.26 eV as tabulated in Table 3. The presence of dopant causes the changes in the band gap energy which modifying the energy level [28]. It is observed that the increase of concentration of MgO dopant in ZnO resulted in a decrease of band gap energy.…”

Section: Band Gap Studies Using Uv-vis Spectrophotometermentioning

confidence: 99%

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Synthesis and Characterization of MgO Doped ZnO Nanorods Prepared by Solution Immersion Method and their Effect on Energy Band Gap

Khusaimi¹,

Asib²,

Umbaidilah³

et al. 2019

IJET

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In this research, solid powder form ZnO and MgO-doped ZnO were prepared by using solution immersion method. Mg divalent cation with different atomic percentage of 0.5%, 1.0% and 1.5% were added in 0.04 M of Zn2+ solution containing zinc nitrate hexahydrates as precursor and hexamethylene tetraamine as stabilizer. Annealing treatment was consequently carried out to transform the precursors into oxide forms. ZnO and MgO-doped ZnO were successfully obtained and the surface morphology, crystallite size and elemental composition were studied using Field Emission Scanning Electron Microscope (FESEM) and Energy dispersive X-Ray (EDX) respectively. The band gap energy was determined using Ultraviolet-Visible spectrophotometer (UV-Vis). FESEM images showed that the powder form of ZnO and MgO-doped ZnO consist of rod-like shape. A 0.5% of MgO-doped ZnO sample has smallest size of rods with higher aspect ratio compared to others. The EDX result revealed that the sample composed of Zn, O and Mg in the sample. The band gap energy for all samples was determined using Tauc plot and it was found that the band gap energy is reduced with 1.0 and 1.5 % doping while increased at 0.5% doping. The band gap energy was found to range between 3.23 eV to 3.26 eV. The 0.5% of Mg-doped ZnO with higher aspect ratio shows the highest band gap energy value.

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Section: Field Emission Scanning Electron Microscope (Fe-sem) Studymentioning

confidence: 68%

Section: Band Gap Studies Using Uv-vis Spectrophotometermentioning

confidence: 99%

Synthesis and Characterization of MgO Doped ZnO Nanorods Prepared by Solution Immersion Method and their Effect on Energy Band Gap

Khusaimi¹,

Asib²,

Umbaidilah³

et al. 2019

IJET

View full text Add to dashboard Cite

show abstract

Effects of Cu doping on the surface morphology, microstructure and photoluminescent characteristics of ZnO films

Cited by 1 publication

References 8 publications

Synthesis and Characterization of MgO Doped ZnO Nanorods Prepared by Solution Immersion Method and their Effect on Energy Band Gap

Synthesis and Characterization of MgO Doped ZnO Nanorods Prepared by Solution Immersion Method and their Effect on Energy Band Gap

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