Increasing the silicon solar cell efficiency with transition metal oxide nano-thin films as anti-reflection coatings

Sagar, Raghavendra; Rao, Asha

doi:10.1088/2053-1591/ab6ad5

Cited by 20 publications

(11 citation statements)

References 27 publications

(27 reference statements)

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“…In this context, the XPS spectrum of Ag@ZnO core-shell nanoparticles is shown in Figure 2. Similar to the other studies 50 the full spectrum confirmed the presence of Zn, Ag, O, and C in the structure. Therefore, it is established that these elements exist in the structure.…”

Section: Resultssupporting

confidence: 89%

Surface plasmon resonance effects of Ag@ZnO core–shell nanostructure in UV and visible light for photodiode applications

Yilmaz,

Canpolat,

Aydoğan

2024

J Am Ceram Soc.

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Herein, Ag@ZnO core–shell nanostructures were prepared via the wet chemical method and were then dissolved in methanol and drop cast onto a p–Si wafer. Experimental current–voltage measurements of the Ag@ZnO/p–Si heterojunction device were investigated under both visible and UV illumination of 365 and 395 nm. The photocurrent, responsivity, detectivity, and on/off ratio were found to be dependent on the light intensity of visible light and wavelength of UV light. The low photocurrent at low light intensities and its rapid increase at high light intensities was attributed to the recombination of electrons and holes and also to the presence of traps at low light intensities. The responsivity and detectivity of the photodiode reach 1.32 A/W and 5.47 × 1011 Jones, respectively at 365 nm. On the contrary, the high performance under UV light was explained by the surface plasmon resonance between Ag and ZnO.

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Section: Resultssupporting

confidence: 89%

Surface plasmon resonance effects of Ag@ZnO core–shell nanostructure in UV and visible light for photodiode applications

Yilmaz,

Canpolat,

Aydoğan

2024

J Am Ceram Soc.

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“…Such solar cells could be utilized to cover windows in buildings and produce electricity without blocking indoor space access to light since the refractive index of metal oxides is mainly between the refractive index of silicon and air. They can also be utilized as an anti-reflection coating layer for other silicon solar cell devices [ 6 ]. Furthermore, metal oxides are widely used as an electron transport layer (ETL) and hole transport layer (HTL) in perovskite-based solar cells [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Atom-to-Device Simulation of MoO3/Si Heterojunction Solar Cell

et al. 2022

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Metal oxides are commonly used in optoelectronic devices due to their transparency and excellent electrical conductivity. Based on its physical properties, each metal oxide serves as the foundation for a unique device. In this study, we opt to determine and assess the physical properties of MoO3 metal oxide. Accordingly, the optical and electronic parameters of MoO3 are evaluated using DFT (Density Functional Theory), and PBE and HSE06 functionals were mainly used in the calculation. It was found that the band structure of MoO3 calculated using PBE and HSE06 exhibited indirect semiconductor properties with the same line quality. Its band gap was 3.027 eV in HSE06 and 2.12 eV in PBE. Electrons and holes had effective masses and mobilities of 0.06673, −0.10084, 3811.11 cm2V−1s−1 and 1630.39 cm2V−1s−1, respectively. In addition, the simulation determined the dependence of the real and imaginary components of the complex refractive index and permittivity of MoO3 on the wavelength of light, and a value of 58 corresponds to the relative permittivity. MoO3 has a refractive index of between 1.5 and 3 in the visible spectrum, which can therefore be used as an anti-reflection layer for solar cells made from silicon. In addition, based on the semiconducting properties of MoO3, it was estimated that it could serve as an emitter layer for a solar cell containing silicon. In this work, we calculated the photoelectric parameters of the MoO3/Si heterojunction solar cell using Sentaurus TCAD (Technology Computing Aided Design). According to the obtained results, the efficiency of the MoO3/Si solar cell with a MoO3 layer thickness of 100 nm and a Si layer thickness of 9 nm is 8.8%, which is 1.24% greater than the efficiency of a homojunction silicon-based solar cell of the same size. The greatest short-circuit current for a MoO3/Si heterojunction solar cell was observed at a MoO3 layer thickness of 60 nm, which was determined by studying the dependency of the heterojunction short-circuit current on the thickness of the MoO3 layer.

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“…That is why various types of thin-film anti-reflective (AR) coatings are used to lower this reflection loss but these AR coatings also have limits to absorb a certain light spectrum. In addition, there are some disadvantages on using the AR coating, such as thermal and adhesive mismatch with the substrates, which requires a specific choice of material and geometry [4][5][6][7]. Figure 1 represents a glimpse of various solar cells, the basic concept, and relation of the light guiding towards light trapping into nano-structures.…”

Section: Background Motivation and Performed Workmentioning

confidence: 99%

Nanostructures GaAs Solar Cells

Nur-E-Alam¹,

Das²

2020

Preprint

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At present, the world is now passing a very far different time than normal situation due to the COVID-19 pandemic crisis. The global life-style and human civilization is currently progressing with down-stream that affecting almost every sectors necessary for human civilizations except the current environmental situation. To control the COVID-19 spreading, most of the countries are following lockdown process that reduces human mobility, thus reducing the CO2 emission to the environment. Though the COVID-19 pandemic is a blessing for the present environment, however, the post-COVID world will face a massive thrust of energy and only conventional energy resources may not be enough to mitigate the energy demands. Solar power generation technology mainly the photovoltaic (PV) systems and their advancement can be the leading possibilities to minimize the gap between the power demand and generation. It is now time to think how we can improve the PV power generation in future and the post-COVID world. In this encyclopaedia communication, we report on Nano-technological approach to improve the conversion efficiency of GaAs solar cells. We have designed and optimized several types of nano-structured assemblies that can be implemented to reduce the front surface incident light reflection losses thus can assist to improve the conversion efficiency of GaAs solar cells.

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Increasing the silicon solar cell efficiency with transition metal oxide nano-thin films as anti-reflection coatings

Cited by 20 publications

References 27 publications

Surface plasmon resonance effects of Ag@ZnO core–shell nanostructure in UV and visible light for photodiode applications

Surface plasmon resonance effects of Ag@ZnO core–shell nanostructure in UV and visible light for photodiode applications

Atom-to-Device Simulation of MoO3/Si Heterojunction Solar Cell

Nanostructures GaAs Solar Cells

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