18.0% efficiency flexible perovskite solar cells based on double hole transport layers and CH3NH3PbI3−xClx with dual additives

Hou, Lei; Wang, Yali; Liu, Xianhao; Wang, Jia; Wang, Lixin; Li, Xiaowei; Fu, Guangsheng; Yang, Shaopeng

doi:10.1039/c8tc02906g

Cited by 32 publications

(33 citation statements)

References 37 publications

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“…Most applications need additional interfaces to contact the perovskite. Besides the possibility of using flexible substrates, the absence of high temperature processes and high power‐per‐weight ratio, the combination of the commonly used perovskites CH 3 NH 3 PbI 3 or CH 3 NH 3 PbI 3− x Cl x with the organic semiconductors PEDOT:PSS (p‐type) and PCBM (n‐type) showed a good compatibility for the use in inverted perovskite solar cells (IPSCs), also in quite recent work . To observe the kinetics of charge transfer after photoexcitation from the perovskite layer to the contact layers, transient absorption spectroscopy (TAS) with femtosecond resolution provides an excellent tool.…”

Section: Introductionmentioning

confidence: 99%

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Horn

Minda

Schwoerer

et al. 2018

Physica Status Solidi (b)

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Thin films of the hybrid perovskite CH3NH3PbI3−xClx are prepared in contact to poly(3,4‐ethylenedioxythiophene)polystyrene sulfonate (PEDOT:PSS) or phenyl‐C61‐butyric acid methyl ester (PCBM) as model interfaces relevant in inverted perovskite solar cells (IPSCs) which provide some significant advantages over the established mesoporous cell concepts. Pump–probe absorption spectroscopy with femtosecond resolution is used to analyze injection of photo‐generated charge carriers from the perovskite to the PEDOT:PSS and PCBM layers by directly monitoring characteristic spectroscopic signatures of charge carriers in these contact phases. Such signal is identified for holes injected into the PEDOT:PSS layer, which appeared within the resolution of the measurement setup (<200 fs) proving ultrafast hole injection. Changes in the transient signals characteristic for the perovskite layer as reflected in the time constants obtained by global analysis confirmed this observation. Ultrafast injection of electrons into PCBM is also found based on the decay of signals characteristic for the excited state of the perovskite as well as by newly arising signals assigned to injected electrons into PCBM. Efficient injection of charge carriers following excitation of the perovskite film to both organic electron and hole conductors is thereby directly shown.

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Section: Introductionmentioning

confidence: 99%

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Horn

Minda

Schwoerer

et al. 2018

Physica Status Solidi (b)

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“…Finally, a maximum PCE of 15.9% without detectable hysteresis was achieved for the champion FPSC device . In addition, other deposition methods for NiO x HTLs such as thermally evaporation and ALD were also reported for FPSC application …”

Section: Carrier Transport Layersmentioning

confidence: 91%

Recent Progress of Flexible Perovskite Solar Cells

Xie

Yin

Guo

et al. 2019

Physica Rapid Research Ltrs

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Flexible solar cells have been considered as a promising photovoltaic (PV) technology due to their intrinsic advantages such as lightweight and bendability, which make them very convenient for transportation, installation, and integration with architectures and wearable electricity‐generating devices. As a novel PV technology being compatible with roll‐to‐roll fabrication, flexible perovskite solar cells (FPSCs) have achieved a great progress within the past few years, partially due to the superior photoelectronic properties of the halide perovskite absorber and the easy fabrication of the device. As a result, the champion power conversion efficiency of the FPSCs has exceeded 18% recently. In this review, the recent developments of FPSCs are summarized and discussed in the following four aspects: perovskite absorbers, flexible substrates, transparent conductive electrodes, and carrier transport layers, which are the main components for a FPSC device. The flexibility, stability, and other properties are also discussed in terms of the specialized FPSC devices. Finally, a rough prediction for the future development of FPSCs is provided at the end of this review.

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“…The PCE reached 16.6%, and the prototype maintained over 80% of the initial PCE for over 1000 h under thermal stress conditions (increasing temperature from 45 to 100 °C) . To date, the highest PCE of NiO X ‐based FPSCs has reached 18%, upon a double HTL design of PEDOT:PSS/NiO X …”

Section: Carrier Transport Layersmentioning

confidence: 99%

“…Regulation of halogen composition has also been intensively studied. It is intensively investigated that chlorine can help to improve film coverage and crystalline structure, whereas the addition of briumine can effectively modulate the bandgap. By adding 10 wt% of MABr in FAI, Bi et al lowered the solution process temperature and finally reached a PCE of 18.10% .…”

Section: Perovskite Absorber Layersmentioning

confidence: 99%

Recent Advances of Device Components toward Efficient Flexible Perovskite Solar Cells

2020

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Flexible solar cells have launched potential applications in diverse areas, such as civil engineering, consumer electronics, electric automobile, and aerospace use. In recent years, perovskite solar cells (PSCs) have been successful with a rocketing power conversion efficiency (PCE) from 3.8% to 25.2% in the last decade. Due to its material flexibility, together with low‐cost and facile fabrication processes, perovskites have certainly been considered as a promising candidate for the next generation of flexible solar cells. So far, the PCE of single‐junction flexible perovskite solar cells (FPSCs) has reached 19.51%, which retains researchers' great enthusiasm for further development and applications of FPSCs. Herein, a brief review of the recent advances in the structural components of FPSCs is presented, including perovskite absorber layers, flexible substrates, transparent bottom electrodes, and charge carrier transport layers. In particular, the focus is on the development of low‐temperature fabrication processes of the aforementioned compositional layer structures. Finally, noticeable achievements and annual milestones are discussed and summarized, and suggestions for further improvement of FPSCs and their ways toward commercialization are presented.

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18.0% efficiency flexible perovskite solar cells based on double hole transport layers and CH₃NH₃PbI_3−xCl_x with dual additives

Abstract: The performance of flexible perovskite solar cells (PSCs) is largely lower than that of their glass/ITO counterparts.

Cited by 32 publications

References 37 publications

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Recent Progress of Flexible Perovskite Solar Cells

Recent Advances of Device Components toward Efficient Flexible Perovskite Solar Cells

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18.0% efficiency flexible perovskite solar cells based on double hole transport layers and CH3NH3PbI3−xClx with dual additives

Abstract: The performance of flexible perovskite solar cells (PSCs) is largely lower than that of their glass/ITO counterparts.

Cited by 32 publications

References 37 publications

Direct Observation of Charge Injection From CH3NH3PbI3−xClx to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Direct Observation of Charge Injection From CH3NH3PbI3−xClx to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Recent Progress of Flexible Perovskite Solar Cells

Recent Advances of Device Components toward Efficient Flexible Perovskite Solar Cells

Contact Info

Product

Resources

About

18.0% efficiency flexible perovskite solar cells based on double hole transport layers and CH₃NH₃PbI_3−xCl_x with dual additives

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy

Direct Observation of Charge Injection From CH₃NH₃PbI_3−xCl_x to Organic Semiconductors Monitored With sub‐ps Transient Absorption Spectroscopy