Study on light absorption of CH3NH3PbI3 perovskite solar cells enhanced by gold nanobipyramids

Chen, Le; Luo, Wei; Fang, Bowen; Zhu, Baohua; Zhang, Wentao

doi:10.1016/j.optlastec.2022.108924

Cited by 11 publications

(3 citation statements)

References 27 publications

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“…[ 11 ] Another example is the use of hydrogen‐doped indium oxide (IO: H), [ 12 ] double‐layer antireflective coating [ 13 ] and adjustment of the reactive sputtering atmosphere [ 14 ] to directly improve the transmittance of the ITO. In addition, light scattering, such as the localized surface plasmon resonance effect of metal nanoparticles, [ 15 ] is also considered to treat interfaces of the perovskite/charge transport layer (CTL) and the CTL/back electrode [ 16 ] for reduction of light loss in PSCs. However, it is worth noting that there exist difficulties to balance optical and electric properties of the PSCs in all the approaches mentioned above.…”

Section: Introductionmentioning

confidence: 99%

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Li,

Dong,

Wei

et al. 2024

Solar RRL

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In conventional p‐i‐n inverted perovskite solar cells (PSCs), there exists considerable energy loss due to both unsatisfactory light path design and trap‐induced interfacial defects. The sunlight is absorbed competitively by conductive oxide substrates and HTM in front of the perovskite layer, while the opaque metal back electrode also prevents light penetration. Worse yet, there is severe non‐radiative charge recombination caused by defects between the perovskite layer and the ETM. To tackle the above two issues, we synthesize a new green‐emitting material ((CH3)4N)2(C2H5)4N·MnBr4 and introduce it in/on the perovskite layer to achieve both defect passivation and light complementation. The green luminescence of this single crystal at the interface is found to provide secondary light absorption, as evidenced by a remarkable promotion of short‐circuit current density. It is also found that the excess PbI2 on the surface of perovskite can be effectively removed, and as the interfacial additive, ((CH3)4N)2(C2H5)4N·MnBr4 inhibits trap‐assisted recombination losses, which provides favorable energy level alignment and extends charge carrier lifetime. As a result, the champion PCE (21.23%) of the target‐treated ((CH3)4N)2(C2H5)4N·MnBr4 device exceeds that 19.5% of the pristine‐without ((CH3)4N)2(C2H5)4N·MnBr4 device. This work provides an effective interfacial strategy for high‐performance and stable inverted perovskite solar cells.This article is protected by copyright. All rights reserved.

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Section: Introductionmentioning

confidence: 99%

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Li,

Dong,

Wei

et al. 2024

Solar RRL

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“…These include the adjustment of plasmonic resonance, the simplicity of nanoparticles (NP) synthesis, and maximum utilization of plasmonic effects [16][17][18]. The parameters of the plasmonic structure, including NP geometry, NP dimensions, and NP location, are selected based on these considerations [19][20][21][22]. Early studies in the field of PSCs used NPs with spherical geometry [23].…”

Section: Introductionmentioning

confidence: 99%

Light management in hole transport layer-free perovskite solar cell by SPP and LSPR

Batoo,

Ibrahim,

Naeem

et al. 2024

Phys. Scr.

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In recent years, light management based on localized surface plasmon resonance (LSPR) effects in perovskite solar cells (PSCs) has received significant attention. However, the use of surface plasmon polariton (SPP) excitations in PSCs has been less studied. Meanwhile, hole transport layer-free perovskite solar cells (HTL-free PSCs) have garnered interest due to their lower cost. In this study, we improve light absorption in HTL-free PSCs by simultaneously utilizing LSPR and SPP effects. Au nanotriangles are employed on the surface of the back electrode to excite SPPs. The thickness of the perovskite layer is varied from 100 nm to 400 nm. The optimal periodicity and dimensions of the triangular nanoparticles are determined for each perovskite layer thickness. In the optimal structures with perovskite layer thicknesses of 100 nm, 200 nm, 300 nm, and 400 nm, absorption enhancements of 25%, 12.4%, 13%, and 4.3% are achieved, respectively. The interaction of light with SPP and LSP modes leads to improved solar cell performance. Furthermore, the short circuit current density (JSC) in structures with layer thicknesses of 100 nm and 200 nm increased from 16.7 mA cm−2 to 20.71 mA cm−2 and from 19.8 mA cm−2 to 21.86 mA cm−2, respectively. Other photovoltaic characteristics of the solar cell were obtained through optical-electrical numerical analysis. For the improved solar cell with a perovskite thickness of 100 nm, the values of open circuit voltage, efficiency, and fill factor were 0.847 V, 0.81, and 14.24%, respectively, representing increases of 1.1%, 2.4%, and 28.7% compared to the bare device. Additionally, in the solar cell with a thickness of 200 nm, an efficiency of 17.03% was achieved, showing a 12.5% improvement compared to the bare structure. Our research results facilitate the design of high-performance, ultra-thin, semi-transparent solar cells.

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“…However, compared with traditional energy resources, solar energy experiences deficiencies such as high manufacturing cost and unideal transform efficiency, which seriously limit its wide application. To improve the conversion efficiency, researchers have developed light-trapping structures for various solar cells, such as nano/micro-pyramids [1][2][3][4], nanowires [5][6][7], nanocone [8][9][10][11][12], nanosphere [13][14][15][16], and porous silicon structures [17,18]. Light-trapping structures possess broadband optical absorption abilities, which can effectively lower the loss of light caused by reflection and raise the valid length of optical paths in the active layer of solar cells [19].…”

Section: Introductionmentioning

confidence: 99%

The Light-Trapping Character of Pit Arrays on the Surface of Solar Cells

et al. 2023

Self Cite

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Surfaces with light-trapping structures are widely used in solar cells to enhance light capturing and to transform efficiency. The study of light-trapping character is important for light-trapping structures in solar cells. In the present study, the light-trapping character for the regular hemisphere pit arrays (RHPAs) in solar cells was intensively investigated in terms of reducing light reflection, suppressing light escape, and increasing the length of the optical path. Results show that the RHPAs can decrease surface reflectivity by ~54% compared with the plane structure, and can reflect ~33% of the light that has not been absorbed back into the absorption layer of the solar cell. The total optical path of the cell with the RHPAs structure remarkably increased from 2ω to 4ω. To verify the theoretical research conclusions, we produced the glass structure samples with different aspect ratios by using micro/nanometer-processing technology. The reflection ratios for silicon wafers covered by plane and RHPAs glass samples were tested. The test results were compared with the theoretical calculation results, which showed consistency.

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Study on light absorption of CH3NH3PbI3 perovskite solar cells enhanced by gold nanobipyramids

Cited by 11 publications

References 27 publications

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Light management in hole transport layer-free perovskite solar cell by SPP and LSPR

The Light-Trapping Character of Pit Arrays on the Surface of Solar Cells

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Study on light absorption of CH3NH3PbI3 perovskite solar cells enhanced by gold nanobipyramids

Cited by 11 publications

References 27 publications

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH3)4N)2(C2H5)4N·MnBr4 Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH3)4N)2(C2H5)4N·MnBr4 Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Light management in hole transport layer-free perovskite solar cell by SPP and LSPR

The Light-Trapping Character of Pit Arrays on the Surface of Solar Cells

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Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells

Collaborative Management of Light‐Absorbing Supplementation and Defect Passivation Based on Green‐Emitting ((CH₃)₄N)₂(C₂H₅)₄N·MnBr₄ Single Crystals for Efficient and Stable Inverted Perovskite Solar Cells