Electron transport layer driven to improve the open-circuit voltage of CH3NH3PbI3 planar perovskite solar cells

Yao, Xin; Liang, Junhui; Li, Tiantian; Fan, Lin; Shi, Bowen; Wei, Changchun; Ding, Yi; Li, Yuelong; Zhao, Ying; Zhang, Xiaodan

doi:10.1007/s40843-017-9130-x

Cited by 13 publications

(10 citation statements)

References 34 publications

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“…However, PSCs based on ZnO suffered from serious instability. Many hydroxides (OH) were on ZnO surfaces and can break the ionic interaction between CH 3 NH 3 + and PbI 3 − . Avoiding or reducing the contact between the perovskites and hydroxides is an effective method to improve the stability of PSCs.…”

Section: Enhancing Performance Of Pscsmentioning

confidence: 99%

SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

Liu

Wang

et al. 2019

Solar RRL

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Organic‐inorganic hybrid perovskite solar cells (PSCs) have developed rapidly in recent years owing to the low cost and high power conversion efficiency achieved. The excellent performance of PSCs is attributed to the superior electrical properties of each layer, including the electron transport layer (ETL), light‐harvest layer, hole transport layer. As one of the most promising ETL materials for PSCs, SnO2 shows excellent transmission, an appropriate energy band gap, a deep conduction band level, and high electron mobility, leading to efficient electron extraction and transport. Here, recent advancements in the PSCs with SnO2 ETLs and endeavors aimed at improving the performance of this photovoltaic device are reviewed. Several typical configurations of SnO2 based PSCs are discussed, including the planar structure, mesoporous structure, inverted structure and flexible PSCs. The efforts of modification and composite SnO2 with other metal oxides are also assessed. Finally, an overview of the perspectives and challenges for the future of SnO2 based PSCs is provided.

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Section: Enhancing Performance Of Pscsmentioning

confidence: 99%

SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

Liu

Wang

et al. 2019

Solar RRL

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“…Depending on the A ion in the chemical formula, the metal halide perovskite structures can be divided into organometallic halide perovskites (OHPs) and inorganic halide perovskites (IHPs). To date, a great success in OHP materials (such as CH 3 NH 3 PbX 3 ) has been achieved for applications in solar cells, light‐emitting diodes (LEDs), photodetectors, lasers, and so on . In particular, the efficiency of the organometallic hybrid perovskite solar cell has rapidly increased from 3.81% in 2009 to >23% in 2018 .…”

Section: Introductionmentioning

confidence: 99%

Recent Progress and Development in Inorganic Halide Perovskite Quantum Dots for Photoelectrochemical Applications

Liang

Chen

Yao

et al. 2019

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Inorganic halide perovskite quantum dots (IHPQDs) have recently emerged as a new class of optoelectronic nanomaterials that can outperform the existing hybrid organometallic halide perovskite (OHP), II–VI and III–V groups semiconductor nanocrystals, mainly due to their relatively high stability, excellent photophysical properties, and promising applications in wide‐ranging and diverse fields. In particular, IHPQDs have attracted much recent attention in the field of photoelectrochemistry, with the potential to harness their superb optical and charge transport properties as well as spectacular characteristics of quantum confinement effect for opening up new opportunities in next‐generation photoelectrochemical (PEC) systems. Over the past few years, numerous efforts have been made to design and prepare IHPQD‐based materials for a wide range of applications in photoelectrochemistry, ranging from photocatalytic degradation, photocatalytic CO2 reduction and PEC sensing, to photovoltaic devices. In this review, the recent advances in the development of IHPQD‐based materials are summarized from the standpoint of photoelectrochemistry. The prospects and further developments of IHPQDs in this exciting field are also discussed.

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“…Especially, ETL plays an important role in the crystallization and morphology of perovskite film. As a result, many studies have reported on how to select or improve ETL materials, which have become a research hotspot for PSCs [11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

“…However, TiO 2 has limitations such as (i) low electron mobility, which could create an unbalanced charge transport in the perovskite [ 18 , 19 , 20 ], (ii) severe J–V hysteresis phenomena owing to poor conductivity of TiO 2 [ 21 , 22 ], and (iii) high-temperature sintering to obtain the desired nanostructures, which is a barrier to low cost and stretchable device fabrication [ 23 ]. ZnO is a practical alternative to TiO 2 to the ETL of solar cells [ 21 , 24 , 25 , 26 , 27 , 28 ] and is also compatible to flexible and tandem devices [ 11 ] such as laser [ 27 ], detectors [ 27 ], and LED [ 29 ]. It is mainly because ZnO has similar energy levels and relatively higher electron mobility compared to TiO 2 .…”

Section: Introductionmentioning

confidence: 99%

Effect of Polyethylene Glycol Incorporation in Electron Transport Layer on Photovoltaic Properties of Perovskite Solar Cells

2020

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Due to the characteristics of high electron mobility, ambient stability, proper energy level, and low processing temperature, zinc oxide (ZnO) has become a very promising electron transport material for photovoltaics. However, perovskite solar cells fabricated with ZnO reveal low efficiency because perovskite crystals may decompose thermally on the surface of ZnO as a result of proton transfer reactions. In this study, we are the first to incorporate an inexpensive, non-toxic polyethylene glycol (PEG) into ZnO and explore the passivation effect on the electron transport layer of perovskite solar cells. Suspension stability, surface roughness, electrical conductivity, crystal size, and photovoltaic properties with respect to the PEG incorporation are analyzed. The experimental results revealed that PEG incorporation effectively passivated the surface defects of ZnO, increased the electrical conductivity, and suppressed the charge recombination. The photocurrent density could increase from 15.2 to 19.2 mA/cm2, an increase of 27%.

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Electron transport layer driven to improve the open-circuit voltage of CH3NH3PbI3 planar perovskite solar cells

Cited by 13 publications

References 34 publications

SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

Recent Progress and Development in Inorganic Halide Perovskite Quantum Dots for Photoelectrochemical Applications

Effect of Polyethylene Glycol Incorporation in Electron Transport Layer on Photovoltaic Properties of Perovskite Solar Cells

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Electron transport layer driven to improve the open-circuit voltage of CH3NH3PbI3 planar perovskite solar cells

Cited by 13 publications

References 34 publications

SnO2‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

SnO2‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

Recent Progress and Development in Inorganic Halide Perovskite Quantum Dots for Photoelectrochemical Applications

Effect of Polyethylene Glycol Incorporation in Electron Transport Layer on Photovoltaic Properties of Perovskite Solar Cells

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SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement

SnO₂‐Based Perovskite Solar Cells: Configuration Design and Performance Improvement