Bi2S3-sensitized TiO2 nanorods by bottom-up approach for photoelectrochemical solar cell

Ambre, S. K.; Patil, Satyajeet S.; Bhat, T.S.; Patil, Pramod S.

doi:10.1007/s10008-022-05328-2

J Solid State Electrochem

2022

DOI: 10.1007/s10008-022-05328-2

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Bi2S3-sensitized TiO2 nanorods by bottom-up approach for photoelectrochemical solar cell

S. K. Ambre

Satyajeet S. Patil²,

T.S. Bhat³

et al.

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2024

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Cited by 3 publications

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Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Khadka,

Islam,

Kato

et al. 2024

J. Electron. Mater.

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We conducted a simple solution-based method to fabricate Bi2S3 nanowire thin film solar cells by spin coating with varying sulfur-to-bismuth ratios. Spherical nanoparticles were observed in the thin film with low-concentration sulfur solution, with these nanoparticles gradually changing to nanorods. Finally, nanowires of Bi2S3 were observed in the thin film with a high sulfur concentration in solution. The band gap gradually decreased with the increase in sulfur concentration. The solar cell performance was significantly improved with the nanowire structure. During film fabrication, sulfur vacancy defects appeared primarily because of high annealing temperatures. These defects were somewhat reduced by the high concentration of sulfur in the solution, supported by the energy-dispersive x-ray spectroscopy (EDS) results. The elemental chemical composition of Bi2S3 material showed an increase in the sulfur-to-bismuth ratio, reaching saturation at almost 0.9. In this work, we systematically observed the effect on the optical properties, surface morphology, and photovoltaic properties by changing the concentration of sulfur in the precursor. The nanowire structure with a high concentration of sulfur in the solution is a promising way to improve the Bi2S3 thin film solar cell.

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Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Khadka,

Islam,

Kato

et al. 2024

J. Electron. Mater.

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Impact of annealing temperature on structural, optical and photovoltaic properties of bismuth oxysulfate thin films

Khadka,

Kato,

Soga

2024

Optical Materials

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Solvothermal Synthesized Heterostructured Bi₂S₃–TiO₂ Nanoparticles as Highly Selective Fluorescence Probe for Nitrobenzene

Syal,

Sharma,

Gupta

et al. 2024

J. Mol. Eng. Mater.

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This study describes a facile one-pot solvothermal method for the synthesis of heterostructured (HS) Bi2S3–TiO2 (BT) nanoparticles (NPs) and utilizes its potential for sensing the nitrobenzene (NB) as a fluorescent probe. The characterization of as-synthesized BT NPs endorses the mixed morphology with an average particle size of 14[Formula: see text]nm and the crystallography study depicted the orthorhombic Bi2S3 and tetragonal anatase TiO2 phases. The selectivity and sensitivity of BT NPs toward NB were examined by comparing the fluorescence quenching with a few other selected organic aromatic compounds. The appreciable quenching efficiency of 97% was achieved with NB. The visual response of the BT/NB mixture was noticed under UV light ([Formula: see text][Formula: see text]nm). The quenching parameters of the BT/NB system have been evaluated by modifying Stern–Volmer and double logarithmic equations. The results attribute the prevalence of dynamic quenching within the concentration range (0.4[Formula: see text]mM to 5[Formula: see text]mM) and beyond 5[Formula: see text]mM, both static and dynamic quenching coexist. Further, thermodynamic studies of the BT/NB system indicate the spontaneous hydrophobic interaction. Moreover, a reliable outcome has been demonstrated in the sensing application of BT NPs in real water samples.

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Bi2S3-sensitized TiO2 nanorods by bottom-up approach for photoelectrochemical solar cell

Cited by 3 publications

References 23 publications

Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Impact of annealing temperature on structural, optical and photovoltaic properties of bismuth oxysulfate thin films

Solvothermal Synthesized Heterostructured Bi₂S₃–TiO₂ Nanoparticles as Highly Selective Fluorescence Probe for Nitrobenzene

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Bi2S3-sensitized TiO2 nanorods by bottom-up approach for photoelectrochemical solar cell

Cited by 3 publications

References 23 publications

Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Fabrication and Properties of Bi2S3 Nanowire Thin Film Solar Cells by Spin Coating with Varying Sulfur Concentrations in the Precursor

Impact of annealing temperature on structural, optical and photovoltaic properties of bismuth oxysulfate thin films

Solvothermal Synthesized Heterostructured Bi2S3–TiO2 Nanoparticles as Highly Selective Fluorescence Probe for Nitrobenzene

Contact Info

Product

Resources

About

Solvothermal Synthesized Heterostructured Bi₂S₃–TiO₂ Nanoparticles as Highly Selective Fluorescence Probe for Nitrobenzene