Influence of La on nano titanium dioxide (TiO2) based solar cell

Gayathri, V.; Rameshbabu, M.; Sasiflorence, S.; Ravichandran, K.; Ramachandran, K.; Mohan, Chandra; Prabha, K.

doi:10.1016/j.matpr.2019.05.299

Cited by 7 publications

(4 citation statements)

References 9 publications

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“…As a result, there is a weak relationship between Zn doping and the internal D atoms of MAPbI 2 Br. 43 These results are consistent with an increase in doping concentration that was previously published. 44,45 Both, a boost and a decrease in the recombination rate will be provided by the MAPbI 2 Br network created by Zn doping.…”

Section: Xrd Analysissupporting

confidence: 92%

The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells

Khan,

Hussain,

Almutairi

et al. 2024

Phys. Chem. Chem. Phys.

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Section: Xrd Analysissupporting

confidence: 92%

The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells

Khan,

Hussain,

Almutairi

et al. 2024

Phys. Chem. Chem. Phys.

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“…On the surface of MAPbBr 3 , the empty Pb site was not replaced by the high value of W ions. The W atom bonds with the inner MAPbBr 3 atoms, causing the D to be lowered as a result [29,30]. These findings were consistent with previously published material showing that D is lowered when divalent/ trivalent ions are doped into the MAPbBr 3 structure [31,32].…”

Section: Xrd Analysissupporting

confidence: 91%

Tungsten dopant incorporation for bandgap and type engineering of perovskite crystals

et al. 2023

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Organic-inorganic hybrid halide perovskites have shown to be viable semiconductor materials, as the absorber layer of solar cells. Unfortunately, the polycrystalline qualities of perovskite films result in nonuniform coverage or a high recombination rate, which weakens the photoelectric capabilities of thin films. Here, the pure and tungsten (W)-doped methylammonium lead bromide (CH3NH3PbBr3 or MAPbBr3) films are deposited to FTO-glass substrates using the sol-gel spin coating method. The W-doping causes the nucleation and crystallization processes, which then have an impact on the film's characteristics. It is discovered that the introduction of tungsten metal significantly enhances the quality of the perovskite film, resulting in larger grain sizes, lower band gap energy, and shorter recombination lifetimes, increasing the power conversion efficiency of perovskite thin film solar cells.

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“…The high value of Ag ions indicates that they did not occupy the vacant Pb sites, as they remained on the surface of MAPbBr 3 due to the fact of small vacant sites. Therefore, D was reduced because of bonding between Ag ions and the inner atoms of MAPbBr 3 [ 43 ]. These results match the previously published literature, where D decreased with a high amount of doping of divalent/trivalent ions in a MAPbBr 3 structure [ 44 , 45 ].…”

Section: Resultsmentioning

confidence: 99%

The Effect of 600 keV Ag Ion Irradiation on the Structural, Optical, and Photovoltaic Properties of MAPbBr3 Films for Perovksite Solar Cell Applications

et al. 2022

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A competitive new technology, organic metallic halide perovskite solar cells feature a wide working area, low manufacturing costs, a long lifespan, and a significant amount of large efficacy of power conversion (PCE). The spin-coating technique was utilized for the fabrication of pure CH3NH3PbBr3 (MAPbBr3) thin films, and these films are implanted with 600 keV silver (Ag) ions at fluency rate of 6 × 1014 and 4 × 1014 ions/cm2. XRD analysis confirmed the cubic structure of MAPbBr3. A high grain size was observed at the fluency rate of 4 × 1014 ions/cm2. The UV-Vis spectroscopic technique was used to calculate the optical properties such as the bandgap energy (Eg), refractive index (n), extinction coefficients (k), and dielectric constant. A direct Eg of 2.44 eV was measured for the pristine film sample, whereas 2.32 and 2.36 eV were measured for Ag ion-implanted films with a 4 × 1014 and 6 × 1014 ions/cm2 fluence rate, respectively. The solar cells of these films were fabricated. The Jsc was 6.69 mA/cm2, FF was 0.80, Voc was 1.1 V, and the efficiency was 5.87% for the pristine MAPbBr3-based cell. All of these parameters were improved by Ag ion implantation. The maximum values were observed at a fluency rate of 4 × 1014 ions/cm2, where the Voc was 1.13 V, FF was 0.75, Jsc was 8.18 mA/cm2, and the efficiency was 7.01%.

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Influence of La on nano titanium dioxide (TiO2) based solar cell

Cited by 7 publications

References 9 publications

The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells

The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells

Tungsten dopant incorporation for bandgap and type engineering of perovskite crystals

The Effect of 600 keV Ag Ion Irradiation on the Structural, Optical, and Photovoltaic Properties of MAPbBr3 Films for Perovksite Solar Cell Applications

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Influence of La on nano titanium dioxide (TiO2) based solar cell

Cited by 7 publications

References 9 publications

The structural, optical and photovoltaic properties of Zn-doped MAPbI2Br perovskite solar cells

The structural, optical and photovoltaic properties of Zn-doped MAPbI2Br perovskite solar cells

Tungsten dopant incorporation for bandgap and type engineering of perovskite crystals

The Effect of 600 keV Ag Ion Irradiation on the Structural, Optical, and Photovoltaic Properties of MAPbBr3 Films for Perovksite Solar Cell Applications

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The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells

The structural, optical and photovoltaic properties of Zn-doped MAPbI₂Br perovskite solar cells