Molybdenum and tungsten doped SnO₂ transparent conductive thin films with broadband high transmittance between the visible and near-infrared regions

Abstract

We demonstrate an approach for the synthesis of SnO2 transparent conductive films with low square resistance and high transmittance over the visible and NIR regions via doping of molybdenum and tungsten.

Structural and electronic properties of SnO2 doped with non-metal elements

“…Thin film solar cells are devices that convert solar energy into electrical energy. Transparent conductive films (TCFs) are a thin film material with both conductive capabilities and high transmittance in the visible light range (300-800 nm) [1][2][3]. TCFs serve as the front electrode of thin film solar cells.…”

“…While there are reports on experiments regarding the doping of SnO 2 with non-metal elements, the mechanism of the effect of non-metal element doping on the performance of SnO 2 is not yet clear. In recent years, many researchers used first-principles calculations to scrutinize the doping of SnO 2 with non-metal elements such as F [11,12] and S [13].…”

Enhanced Spatial Light Confinement of All Inorganic Perovskite Photodetectors Based on Hybrid Plasmonic Nanostructures

“…As depicted in Figure S1c, Supporting Information, the oscillated patterns in the reflection spectra for AAO matrixes can be induced by superposition of multiple reflected lights waves from the Al back reflecting layers, which are beneficial for the light utilization of the photoactive layers on the AAO matrixes due to the minimized light loss from transmission. By considering the negligible contribution of the reflected light beams R n (n > 2), the wavelength-dependent total reflectance (R(λ)) can be briefly given with: [33] λ π θ λ α ( )…”

“…As depicted in Figure S1c, Supporting Information, the oscillated patterns in the reflection spectra for AAO matrixes can be induced by superposition of multiple reflected lights waves from the Al back reflecting layers, which are beneficial for the light utilization of the photoactive layers on the AAO matrixes due to the minimized light loss from transmission. By considering the negligible contribution of the reflected light beams R n ( n > 2), the wavelength‐dependent total reflectance ( R(λ) ) can be briefly given with: [ 33 ] where R 1 and R 2 are the reflected light beams, d indicates the thickness of AAO layers, and θ 1 and n AAO denote the angle of incident light and refractive index, respectively. The exp (−α) is the scattering induced light loss factor, which can be expressed as α = ρ × δ/λ [ 34 ] Here, ρ is the fitting constant and σ is the surface roughness, which gradually increased along with the extended pore size.…”

Ultrahigh Responsivity UV Photodetector Based on Cu Nanostructure/ZnO QD Hybrid Architectures

“…To understand the response mechanism of the photodetector, the absorbance spectra and room‐temperature photoluminescence (PL) spectra acquired under 325 nm laser excitation for the Cu NS/ZnO QD hybrid architectures fabricated at various temperatures are investigated as shown in Figure a–c. The absorbance band of ZnO hybrid architectures slightly decreased as a function of annealing temperatures induced by the decreased scattering centers at grain boundaries with the accelerated incorporation of Cu atoms into ZnO lattice, which resulted in a gradual redshift of the optical bandgap from 3.284 to 3.215 eV due to a strong electronegative mismatch between the Zn and Cu atoms and occurrence of impurity bands above the ZnO valance band . Meanwhile, the characteristic peak of Cu was similarly observed for each sample in the visible region, and a clear blueshift appeared as a function of annealing temperatures owing to the shape evolution of the self‐assembled Cu NSs .…”