Water-Free, Conductive Hole Transport Layer for Reproducible Perovskite-Perovskite Tandems with Record Fill Factor

Article Chemistry, Multidisciplinary

Gradient Doping in Sn-Pb Perovskites by Barium Ions for Efficient Single-Junction and Tandem Solar Cells

Zhenhua Yu et al.

Summary: This study demonstrates the formation of a p-n homojunction in Sn-Pb perovskites by introducing gradient doping with barium ions, which enhances the efficiency of perovskite solar cells.

ADVANCED MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Light Intensity Analysis of Photovoltaic Parameters for Perovskite Solar Cells

Damian Glowienka et al.

Summary: A method of light intensity analysis of JV parameters has been developed in this study to understand the mechanisms that appear in perovskite solar cells and limit device performance. The method is aimed at helping to explain parasitic losses from interface or bulk recombination, series resistance, or shunt resistance. The effectiveness of the proposed method has been demonstrated through a series of case studies.

ADVANCED MATERIALS (2022)

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Article Multidisciplinary Sciences

All-perovskite tandem solar cells with improved grain surface passivation

Renxing Lin et al.

Summary: Researchers have developed ammonium-cation-passivated Pb-Sn perovskites with long diffusion lengths, enabling high-efficiency all-perovskite tandem solar cells. By enhancing the adsorption of the passivator using a stronger surface-passivator interaction, the carrier diffusion length within Pb-Sn perovskites is doubled, resulting in an efficiency of over 22%. The certified efficiency of 26.4% achieved in the all-perovskite tandem solar cells exceeds that of the best-performing single-junction perovskite solar cells.

NATURE (2022)

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Article Chemistry, Multidisciplinary

Steric Engineering Enables Efficient and Photostable Wide-Bandgap Perovskites for All-Perovskite Tandem Solar Cells

Jin Wen et al.

Summary: Steric engineering is used to obtain high-quality and photostable wide-bandgap perovskites suitable for all-perovskite tandem solar cells. By alloying dimethylammonium and chloride, wide bandgaps are obtained with lower bromide contents and minimized lattice strain and trap densities. The resulting WBG perovskite solar cells exhibit significantly improved performance and photostability, with a stabilized power conversion efficiency of 26.0% in all-perovskite tandem solar cells.

ADVANCED MATERIALS (2022)

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Article Multidisciplinary Sciences

Scalable processing for realizing 21.7%-efficient all-perovskite tandem solar modules

Ke Xiao et al.

Summary: Efficient all-perovskite tandem solar modules were fabricated using tunable cesium ratio of mixed-halide perovskite and an electrically conductive conformal diffusion barrier. These modules demonstrated high efficiency and stability even after continuous operation.

SCIENCE (2022)

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Article Chemistry, Physical

Cation-Diffusion-Based Simultaneous Bulk and Surface Passivations for High Bandgap Inverted Perovskite Solar Cell Producing Record Fill Factor and Efficiency

Md Arafat Mahmud et al.

Summary: In high-bandgap perovskite solar cells, a double-sided interface passivation scheme based on cation diffusion has been developed to address the low fill factor issue. The champion cell achieved a record fill factor of 86.5% and a power conversion efficiency of 20.2%.

ADVANCED ENERGY MATERIALS (2022)

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Article Energy & Fuels

Carrier control in Sn-Pb perovskites via 2D cation engineering for all-perovskite tandem solar cells with improved efficiency and stability

Jinhui Tong et al.

Summary: This study demonstrates that the addition of mixed bulky organic cations can improve the structural and optoelectronic properties of Sn-Pb perovskite thin films, resulting in high-efficiency single-junction and all-perovskite tandem solar cells with improved stability.

NATURE ENERGY (2022)

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Article Energy & Fuels

Flexible all-perovskite tandem solar cells approaching 25% efficiency with molecule-bridged hole-selective contact

Ludong Li et al.

Summary: Lightweight flexible perovskite solar cells have great potential for various applications, but their efficiency lags behind rigid solar cells. In this study, a self-assembled monolayer bridged hole-selective contact with reduced defects and improved bending durability was developed, resulting in a certified efficiency of 24.4% for flexible all-perovskite tandem solar cells.

NATURE ENERGY (2022)

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Article Chemistry, Multidisciplinary

Optimized carrier extraction at interfaces for 23.6% efficient tin-lead perovskite solar cells

Shuaifeng Hu et al.

Summary: In this study, carrier extraction in mixed tin-lead perovskite solar cells is improved by modifying the surfaces with ethylenediammonium diiodide and glycine hydrochloride. The modified solar cells show improved performance and stability, with efficiencies of up to 23.6% and retaining over 80% of initial efficiency after 200 hours of continuous operation.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Energy & Fuels

Sodium Benzenesulfonate Modified Poly (3,4-Ethylenedioxythiophene):Polystyrene Sulfonate with Improved Wettability and Work Function for Efficient and Stable Perovskite Solar Cells

Wei Li et al.

Summary: In this research, the addition of sodium benzenesulfonate (SBS) to modify PEDOT:PSS layer improved the performance of perovskite solar cells (PSCs) by enhancing energy-level alignment, reducing charge recombination, and increasing grain size and crystallinity of the perovskite film. This modification led to an increase in the power conversion efficiency (PCE) and open-circuit voltage (V-OC) of the inverted PSCs. Furthermore, the unencapsulated PSCs remained highly efficient even after 20 days of storage in ambient conditions.

SOLAR RRL (2021)

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Article Chemistry, Physical

Elucidating Mechanisms behind Ambient Storage-Induced Efficiency Improvements in Perovskite Solar Cells

Yongyoon Cho et al.

Summary: Research shows that ambient storage can improve the efficiency of perovskite solar cells, mainly due to defect passivation, changes in charge recombination mechanism, and enhanced charge extraction efficiency.

ACS ENERGY LETTERS (2021)

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Review Physics, Applied

Recent progress and future prospects of perovskite tandem solar cells

Anita W. Y. Ho-Baillie et al.

Summary: Organic-inorganic metal halide perovskite solar cells have shown rapid advancements in energy conversion efficiency improvement, making them a promising technology for next-generation, low-cost, high-efficiency photovoltaics, especially in multi-junction tandem cells. Double-junction tandem cells have efficiency limits up to 45%, surpassing those of single-junction solar cells. This review highlights recent progress in perovskite tandem solar cells and discusses strategies for further improving their efficiencies.

APPLIED PHYSICS REVIEWS (2021)

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Article Multidisciplinary Sciences

23.7% Efficient inverted perovskite solar cells by dual interfacial modification

Matteo Degani et al.

Summary: This study presents a dual interfacial modification approach by incorporating large organic cations at both the bottom and top interfaces of the perovskite active layer, leading to simultaneous improvement in both open-circuit voltage and fill factor of the devices, reaching a champion device efficiency of 23.7%. This dual interfacial modification is fully compatible with bulk modification of the perovskite active layer by ionic liquids, resulting in efficient and stable inverted architecture devices.

SCIENCE ADVANCES (2021)

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Article Nanoscience & Nanotechnology

cPCN-Regulated SnO2 Composites Enables Perovskite Solar Cell with Efficiency Beyond 23%

Zicheng Li et al.

Summary: The SnO2-cPCN electron transport layer shows superior electron mobility, enhancing efficiency and crystallinity of perovskite layers in PSCs. PSCs based on SnO2-cPCN demonstrate higher stability and efficiency compared to pristine SnO2.

NANO-MICRO LETTERS (2021)

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Article Chemistry, Multidisciplinary

Complementary bulk and surface passivations for highly efficient perovskite solar cells by gas quenching

Shi Tang et al.

Summary: The power conversion efficiency of metal halide perovskite solar cells fabricated by gas quenching has increased significantly to 25.5% within a decade, with strategies like incorporating potassium iodide and n-hexylammonium bromide being employed to improve grain boundary properties, reduce traps, and enhance the device's built-in potential.

CELL REPORTS PHYSICAL SCIENCE (2021)

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Article Chemistry, Applied

Tailored PEDOT:PSS hole transport layer for higher performance in perovskite solar cells: Enhancement of electrical and optical properties with improved morphology

Khan Mamun Reza et al.

JOURNAL OF ENERGY CHEMISTRY (2020)

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Article Multidisciplinary Sciences

Gas chromatography-mass spectrometry analyses of encapsulated stable perovskite solar cells

Lei Shi et al.

SCIENCE (2020)

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Article Materials Science, Multidisciplinary

PEDOT:PSS-Metal Oxide Composite Electrode with Regulated Wettability and Work Function for High-Performance Inverted Perovskite Solar Cells

Chenghao Duan et al.

ADVANCED OPTICAL MATERIALS (2020)

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Article Energy & Fuels

Simplified interconnection structure based on C60/SnO2-xfor all-perovskite tandem solar cells

Zhenhua Yu et al.

NATURE ENERGY (2020)

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Article Energy & Fuels

All-perovskite tandem solar cells with 24.2% certified efficiency and area over 1 cm2using surface-anchoring zwitterionic antioxidant

Ke Xiao et al.

NATURE ENERGY (2020)

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Article Chemistry, Physical

Manipulation of PEDOT:PSS with Polar and Nonpolar Solvent Post-treatment for Efficient Inverted Perovskite Solar Cells

Zhiyin Niu et al.

ACS APPLIED ENERGY MATERIALS (2020)

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Article Multidisciplinary Sciences

Carrier lifetimes of >1 μs in Sn-Pb perovskites enable efficient all-perovskite tandem solar cells

Jinhui Tong et al.

SCIENCE (2019)

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Article Chemistry, Physical

Synergistic effects of multiple functional ionic liquid-treated PEDOT:PSS and less-ion-defects S-acetylthiocholine chloride-passivated perovskite surface enabling stable and hysteresis-free inverted perovskite solar cells with conversion efficiency over 20%

Xianyong Zhou et al.

NANO ENERGY (2019)

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Article Energy & Fuels

Monolithic all-perovskite tandem solar cells with 24.8% efficiency exploiting comproportionation to suppress Sn(II) oxidation in precursor ink

Renxing Lin et al.

NATURE ENERGY (2019)

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Article Electrochemistry

Solution-processed WO3 and water-free PEDOT: PSS composite for hole transport layer in conventional perovskite solar cell

Haimang Yi et al.

ELECTROCHIMICA ACTA (2019)

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Article Multidisciplinary Sciences

Enhancing electron diffusion length in narrow-bandgap perovskites for efficient monolithic perovskite tandem solar cells

Zhibin Yang et al.

NATURE COMMUNICATIONS (2019)

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Article Chemistry, Physical

Solution-processed conductive interconnecting layer for highly-efficient and long-term stable monolithic perovskite tandem solar cells

Chih-Yu Chang et al.

NANO ENERGY (2019)

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Article Materials Science, Multidisciplinary

A sodium citrate-modified-PEDOT:PSS hole transporting layer for performance enhancement in inverted planar perovskite solar cells

Ali Asgher Syed et al.

JOURNAL OF MATERIALS CHEMISTRY C (2019)

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Article Chemistry, Multidisciplinary

Interpretation and evolution of open-circuit voltage, recombination, ideality factor and subgap defect states during reversible light-soaking and irreversible degradation of perovskite solar cells

Wolfgang Tress et al.

ENERGY & ENVIRONMENTAL SCIENCE (2018)

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Article Materials Science, Multidisciplinary

Understanding the mechanism of PEDOT: PSS modification via solvent on the morphology of perovskite films for efficient solar cells

Qiaoli Niu et al.

SYNTHETIC METALS (2018)

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Article Chemistry, Physical

PEDOT:PSS monolayers to enhance the hole extraction and stability of perovskite solar cells

Lijun Hu et al.

JOURNAL OF MATERIALS CHEMISTRY A (2018)

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Article Chemistry, Physical

Thermionic Emission-Based Interconnecting Layer Featuring Solvent Resistance for Monolithic Tandem Solar Cells with Solution-Processed Perovskites

Can Li et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Energy & Fuels

Efficient two-terminal all-perovskite tandem solar cells enabled by high-quality low-bandgap absorber layers

Dewei Zhao et al.

NATURE ENERGY (2018)

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Article Chemistry, Physical

Efficient Monolithic Perovskite/Perovskite Tandem Solar Cells

David Forgacs et al.

ADVANCED ENERGY MATERIALS (2017)

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Article Chemistry, Multidisciplinary

Perovskite solar cells with a DMSO-treated PEDOT: PSS hole transport layer exhibit higher photovoltaic performance and enhanced durability

Di Huang et al.

NANOSCALE (2017)

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Article Chemistry, Physical

Printing-friendly sequential deposition via intra-additive approach for roll-to-roll process of perovskite solar cells

Youn-Jung Heo et al.

NANO ENERGY (2017)

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Article Chemistry, Physical

Nonradiative Losses in Metal Halide Perovskites

Samuel D. Stranks

ACS ENERGY LETTERS (2017)

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Article Chemistry, Multidisciplinary

Anticorrelation between Local Photoluminescence and Photocurrent Suggests Variability in Contact to Active Layer in Perovskite Solar Cells

Giles E. Eperon et al.

ACS NANO (2016)

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Article Energy & Fuels

Optimum band gap combinations to make best use of new photovoltaic materials

S. P. Bremner et al.

SOLAR ENERGY (2016)

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Article Chemistry, Physical

The identification and characterization of defect states in hybrid organic-inorganic perovskite photovoltaics

Hsin-Sheng Duan et al.

PHYSICAL CHEMISTRY CHEMICAL PHYSICS (2015)

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Article Energy & Fuels

Photoluminescence and electroluminescence imaging of perovskite solar cells

Ziv Hameiri et al.

PROGRESS IN PHOTOVOLTAICS (2015)

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Article Multidisciplinary Sciences

Non-wetting surface-driven high-aspect-ratio crystalline grain growth for efficient hybrid perovskite solar cells

Cheng Bi et al.

NATURE COMMUNICATIONS (2015)

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Article Chemistry, Physical

Inverted, Environmentally Stable Perovskite Solar Cell with a Novel Low-Cost and Water-Free PEDOT Hole-Extraction Layer

Yi Hou et al.

ADVANCED ENERGY MATERIALS (2015)

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Article Physics, Applied

Photoluminescence imaging for determining the spatially resolved implied open circuit voltage of silicon solar cells

Brett Hallam et al.

JOURNAL OF APPLIED PHYSICS (2014)

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Article Chemistry, Physical

Nano-silicon composites using poly(3,4-ethylenedioxythiophene):poly (styrenesulfonate) as elastic polymer matrix and carbon source for lithium-ion battery anode

Lu Yue et al.

JOURNAL OF MATERIALS CHEMISTRY (2012)

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Article Chemistry, Physical

Evolution of nanomorphology and anisotropic conductivity in solvent-modified PEDOT:PSS films for polymeric anodes of polymer solar cells

Seok-In Na et al.

JOURNAL OF MATERIALS CHEMISTRY (2009)

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Article Materials Science, Multidisciplinary

Conductivity, work function, and environmental stability of PEDOT : PSS thin films treated with sorbitol

A. M. Nardes et al.

ORGANIC ELECTRONICS (2008)

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Water-Free, Conductive Hole Transport Layer for Reproducible Perovskite-Perovskite Tandems with Record Fill Factor

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