Featuring Semitransparent p–i–n Perovskite Solar Cells for High‐Efficiency Four‐Terminal/Silicon Tandem Solar Cells

Lee, Pei‐Huan; Wu, Ting-Tzu; Li, Chia‐Feng; Głowienka, Damian; Huang, Yuxuan; Huang, Shih‐Han; Huang, Yu‐Ching; Su, Wei‐Fang

doi:10.1002/solr.202100891

Cited by 8 publications

(6 citation statements)

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“…The references from the list were reported between the years 2021 and 2024. 59 Some research groups have demonstrated promising alternative electrodes that maintain good electrical and high transmittance in the NIR region. 60,61 These electrodes are expected to contribute to the improvement of the EQE and responsivity of the NIR-OPDs.…”

Section: Resultsmentioning

confidence: 99%

Advancing Detectivity and Stability of Near-Infrared Organic Photodetectors via a Facile and Efficient Cathode Interlayer

Huang,

Wang,

Huang

et al. 2024

ACS Appl. Mater. Interfaces

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Near-infrared (NIR) organic photodetectors (OPDs) are pivotal in numerous technological applications due to their excellent responsivity within the NIR region. Polyethylenimine ethoxylated (PEIE) has conventionally been employed as an electron transport layer (hole-blocking layer) to suppress dark current (J D) and enhance charge transport. However, the limitations of PEIE in chemical stability, processing conditions, environmental impact, and absorption range have spurred the development of alternative materials. In this study, we introduced a novel solution: a hybrid of sol–gel zinc oxide (ZnO) and N,N′-bis(N,N-dimethylpropan-1-amine oxide)perylene-3,4,9,10-tetracarboxylic diimide (PDINO) as the electron transport layer for NIR-OPDs. Our fabricated OPD exhibited significantly improved responsivity, reduced internal traps, and enhanced charge transfer efficiency. The detectivity, spanning from 400 to 1100 nm, surpassed ∼5 × 1012 Jones, reaching ∼1.1 × 1012 Jones at 1000 nm, accompanied by an increased responsivity of 0.47 A/W. Also, the unpackaged OPD remarkedly demonstrated stable J D and external quantum efficiency (EQE) over 1000 h under dark storage conditions. This innovative approach not only addresses the drawbacks of conventional PEIE-based OPDs but also offers promising avenues for the development of high-performance OPDs in the future.

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Section: Resultsmentioning

confidence: 99%

Advancing Detectivity and Stability of Near-Infrared Organic Photodetectors via a Facile and Efficient Cathode Interlayer

Huang,

Wang,

Huang

et al. 2024

ACS Appl. Mater. Interfaces

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“…Among these TCOs, sputtered ITO is widely used due to its high transmittance at visible light wavelengths and low electrical resistivity. [92,93] To reduce damage to the underlying layer, protective layers like MoO X , [94,95] SnO 2 , [96,97] and ZnO [98,99] need to be deposited before ITO sputtering. The high doping concentration in ITO enhances its conductivity, but at the same time causes high free-carrier absorption in the near-infrared region.…”

Section: Parasitic Absorptionmentioning

confidence: 99%

Section: Performance Optimizationmentioning

confidence: 99%

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Semitransparent Perovskite Solar Cells for Photovoltaic Application

et al. 2022

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Photovoltaic technology, which can directly convert solar radiation into electric power, is regarded as the most efficient way to utilize renewable solar energy. As an emerging photovoltaic technology, perovskite solar cells (PSCs) have shown a stunning increase in power conversion efficiency (PCE) from 3.8% [1] to 25.7% [2] over the past few years. This progress has relied on material properties, such as large optical absorption coefficient, [3,4] long carrier diffusion length [5,6] and high carrier mobility, [7,8] and other effective methods including interface engineering, [9,10] carrier management [11,12] and additive engineering. [13][14][15] As the PCE approaches the Shockley-Queisser (SQ) limit for a single-junction solar cell (33.7%), [16] it becomes more challenging to improve the performance of PSCs. So, new concepts have to be proposed for further improvement of PCE.The most common solar cells are opaque to sunlight due to the use of metal electrodes, and can only be used as independent photovaltics. Unlike opaque solar cells, ST solar cells hold the potential for some special applications combining light transmission and solar energy harvest. Among existing solar cells, PSCs are the most promising candidates for ST solar cells. Crystalline silicon solar cells have about 90% market share due to their high efficiency and low cost. However, they can not be semi-transparent (ST). GaAs solar cells with high record efficiency (29.1% [2] ) can be ST. [17] But the cost of ST-GaAs solar cells is much higher than ST-PSCs. Cu(In,Ga)Se 2 (CIGS) and CdTe solar cells with low cost and high efficiency (23.4% [2] for GIGS, 22.1% [2] for CdTe) can be ST. [18,19] However, element scarcity of CIGS and toxicity of CdTe make corresponding ST solar cells less competitive than ST-PSCs. The advantages of low cost and optimized photoactive layer thickness (100-200 nm) render organic solar cells suitable for ST solar cells, [20] though the efficiency of ST organic solar cells is not as high as ST-PSCs. As ideal ST solar cells, ST-PSCs have shown the successful application in integrating into urban scenarios, such as building-integrated photovoltaics (BIPVs) and solar-powered vehicle. [21,22] The other application advantage of ST-PSCs is the tandem photovaltic application.Since early in their development, ST-PSCs have usually been used as the top cell to prepare four-terminal tandem solar cells. In that case, a PSC with some kind of transparent conductive material as the electrode layer serves as the top cell, which can use the short wavelength light to generate electrons and holes, and leave the long wavelength light through the ST solar cell. Tandem solar cells combining a ST perovskite cell with a low bandgap bottom cell are ideal devices to reach ultrahigh efficiency beyond the SQ limit for single-junction solar cells. [23,24] Among several candidates for the bottom cell, silicon [25,26] (1.1 eV) and CIGS [27,28] (1.15 eV) are appropriate choices when considering the cost and efficiency of the resulting tandem cell. The...

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“…Besides, the properties of SnO 2 show excellent stable after deposition. For example, Lee et al [17] fabricated single-junction perovskite solar cell by introducing SnO 2 as buffer layer. Thanks to the ability of SnO 2 to mitigate sputtering damage, they obtained a power conversion efficiency (PCE) of 17.23%.…”

Section: Introductionmentioning

confidence: 99%

Reducing damage of sputtering and improving conductivity of transparent electrodes for efficient semi-transparent perovskite solar cells

Liu

Zhao

et al. 2023

J. Phys. D: Appl. Phys.

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Sputtered indium tin oxide (ITO) is widely used as top electrode in semi-transparent and tandem perovskite solar cell. However, damage of sputtering to under layers and limited conductivity of ITO are still the two main obstacles that hinder further performance improvement of the devices. In this work, the effects and mechanism of sputtering damage and poor conductivity of ITO are investigated based on a traditional perovskite solar cell with bathocuproine (BCP) buffer layer. In order to suppress the sputtering damage, tin oxide (SnO2) is deposited on C60 to replace BCP buffer layer. However, it is found that the deposition of SnO2 on the non-reactive C60 by atomic layer deposition will result in island growth of SnO2 film, which is the key reason for large dark current in solar cells. Fortunately, the phenomenon is inhibited by decorating C60 surface with WO3 thin film. In order to improve the conductivity of the transparent electrode, an ITO/Au/ITO multilayer architecture is designed. The fill factor (FF) and power conversion efficiency (PCE) of the semi-transparent solar cells (ST-PSCs) with the modified buffer layer and electrodes reached 76.4% and 17.62%, respectively, showing an improvement of FF and PCE when it compared to the device with BCP buffer layer and ITO electrode. It is revealed that the optimization also benefits for the increase of short circuit current of the solar cells. These results provide new strategies for damage reduction of sputtering and performance improvement of ST-PSCs.

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Featuring Semitransparent p–i–n Perovskite Solar Cells for High‐Efficiency Four‐Terminal/Silicon Tandem Solar Cells

Cited by 8 publications

References 50 publications

Advancing Detectivity and Stability of Near-Infrared Organic Photodetectors via a Facile and Efficient Cathode Interlayer

Advancing Detectivity and Stability of Near-Infrared Organic Photodetectors via a Facile and Efficient Cathode Interlayer

Semitransparent Perovskite Solar Cells for Photovoltaic Application

Reducing damage of sputtering and improving conductivity of transparent electrodes for efficient semi-transparent perovskite solar cells

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