Modification of Hydrophobic Self-Assembled Monolayers with Nanoparticles for Improved Wettability and Enhanced Carrier Lifetimes Over Large Areas in Perovskite Solar Cells

Article Chemistry, Physical

Wettability Improvement of a Carbazole- Based Hole-Selective Monolayer for Reproducible Perovskite Solar Cells

Amran Al-Ashouri et al.

Summary: The wettability issue of the Me-4PACz hole-selective monolayer is resolved by adding a second component to the precursor solution. This not only improves the device yield but also maintains similar performance.

ACS ENERGY LETTERS (2023)

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Article Multidisciplinary Sciences

Reducing nonradiative recombination in perovskite solar cells with a porous insulator contact

Wei Peng et al.

Summary: Inserting an ultrathin low-conductivity interlayer between the absorber and transport layer is an effective strategy for improving the efficiency of perovskite solar cells. However, there is a trade-off between the open-circuit voltage and fill factor. In this study, the challenge was overcome by introducing a thick insulator layer with random nanoscale openings. With this approach, an efficiency of up to 25.5% was achieved, along with reduced surface recombination and improved perovskite crystallinity.

SCIENCE (2023)

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Review Materials Science, Multidisciplinary

Next-generation applications for integrated perovskite solar cells

Abdulaziz S. R. Bati et al.

Summary: Organic/inorganic metal halide perovskites have attracted significant attention as key materials for next-generation photovoltaic technologies due to their low cost, high performance, and solution processability. This review outlines notable achievements in photovoltaic-integrated technologies, including tandem solar cells, building-integrated photovoltaics, space applications, energy storage system integration with batteries and supercapacitors, and photovoltaic-driven catalysis. It also discusses the outstanding challenges and future perspectives for the development of these fields and potential next-generation applications.

COMMUNICATIONS MATERIALS (2023)

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Article Nanoscience & Nanotechnology

Enhanced Self-Assembled Monolayer Surface Coverage by ALD NiO in p-i-n Perovskite Solar Cells

Nga Phung et al.

Summary: Metal halide perovskites have excellent electronic properties, and recent advancements in device performance and stability of perovskite solar cells have been achieved with the application of self-assembled monolayers (SAMs). By introducing an intermediate layer of NiO between ITO and SAM, the coverage and homogeneity of SAMs on the substrate can be improved, leading to enhanced device performance. The combination of NiO and SAM results in a more than 20% efficient champion device with a narrower distribution of performance.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Monolithic All-Perovskite Tandem Solar Cells with Minimized Optical and Energetic Losses

Kunal Datta et al.

Summary: An integrated all-perovskite tandem solar cell is developed using surface passivation strategies to reduce non-radiative recombination, yielding a high open-circuit voltage. By using optically benign transparent electrode and charge-transport layers, absorption in the narrow-bandgap sub-cell is improved, leading to an improvement in current-matching between sub-cells.

ADVANCED MATERIALS (2022)

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Article Energy & Fuels

Roles of Long-Chain Alkylamine Ligands in Triple-Halide Perovskites for Efficient NiOx-Based Inverted Perovskite Solar Cells

Hui Ju et al.

Summary: The passivation of perovskite bulk and heterointerface defects using alkylamine halides is effective in enhancing the efficiency and stability of perovskite solar cells. This study explores the role of long-chain alkylamine ligands in achieving efficient NiOx-based inverted perovskite solar cells. The ligands assist crystal growth and suppress defects, resulting in hysteresis-free and highly efficient inverted solar cells.

SOLAR RRL (2022)

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Article Nanoscience & Nanotechnology

Finetuning Hole-Extracting Monolayers for Efficient Organic Solar Cells

Haijun Bin et al.

Summary: Interface engineering for hole extraction in organic solar cells has received little attention, but this study shows that by fine-tuning the chemical structure of carbazole-based self-assembled monolayers, improved performance can be achieved compared to the archetypal PEDOT:PSS material.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Multidisciplinary Sciences

Perovskite-organic tandem solar cells with indium oxide interconnect

K. O. Brinkmann et al.

Summary: Multijunction solar cells can surpass the efficiency limits of single-junction devices. Metal halide perovskite solar cells, in combination with silicon and copper indium gallium selenide (CIGS) or as all-perovskite tandems, have shown promising results. Narrow-gap non-fullerene acceptors have also significantly improved the efficiencies of organic solar cells. In this study, perovskite-organic tandem cells with high efficiency and voltage are demonstrated, utilizing optimized charge extraction layers and an ultrathin metal-like indium oxide layer for interconnection. This milestone work outperforms the best perovskite single junctions and is comparable to perovskite-CIGS and all-perovskite multijunctions.

NATURE (2022)

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Article Multidisciplinary Sciences

Damp heat-stable perovskite solar cells with tailored-dimensionality 2D/3D heterojunctions

Randi Azmi et al.

Summary: By tailoring the dimensional fragments of two-dimensional perovskite layers, damp-heat stable perovskite solar cells with high power conversion efficiencies were successfully fabricated. These cells retain over 95% of their initial value after more than 1000 hours under damp-heat test conditions, meeting one of the critical industrial stability standards for photovoltaic modules.

SCIENCE (2022)

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Article Chemistry, Physical

Perovskite/Silicon Tandem Solar Cells with a V-oc of 1784 mV Based on an Industrially Feasible 25 cm(2) TOPCon Silicon Cell

Ji Yeon Hyun et al.

Summary: This study demonstrated perovskite/silicon tandem solar cells with a conventional device configuration, improving voltage by using a tunnel oxide passivating contact. The cells were fabricated on a large area without the need for a complicated recombination layer, showing potential for industrial applications with high efficiency and voltage.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Multidisciplinary Sciences

Efficient and stable perovskite-silicon tandem solar cells through contact displacement by MgFx

Jiang Liu et al.

Summary: The performance of perovskite solar cells with inverted polarity can be improved by adding a MgFx interlayer at the perovskite/C-60 interface. This interlayer facilitates efficient electron extraction, reduces nonradiative recombination, and exhibits good stability under damp-heat conditions.

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 Chemistry, Physical

Conjugation Engineering of Spiro-Based Hole Transport Materials for Efficient and Stable Perovskite Solar Cells

Bingxue Wu et al.

Summary: The study introduces an effective strategy and modulation method to enhance the hole mobility and hydrophobicity of spiro-type HTMs, improving the stability and efficiency of the materials.

ACS ENERGY LETTERS (2022)

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Article Multidisciplinary Sciences

Surface reaction for efficient and stable inverted perovskite solar cells

Qi Jiang et al.

Summary: In this study, a reactive surface engineering approach was used to enhance the performance of perovskite solar cells with an inverted structure. The resulting p-i-n solar cells showed a high power conversion efficiency of over 25% and remained stable after long-term operation under extreme conditions.

NATURE (2022)

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Article Nanoscience & Nanotechnology

Nano-optical designs for high-efficiency monolithic perovskite-silicon tandem solar cells

Philipp Tockhorn et al.

Summary: Gentle sinusoidal nanotextures were designed to achieve high-efficiency perovskite-silicon solar cells, offering advantages such as reduced reflection losses, increased fabrication yield, and improved open-circuit voltage.

NATURE NANOTECHNOLOGY (2022)

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Article Chemistry, Physical

Interfacial Engineering with a Hole-Selective Self-Assembled Monolayer for Tin Perovskite Solar Cells via a Two-Step Fabrication

Donghoon Song et al.

Summary: This work presents the first report on a hole-selective tin-based perovskite solar cell using a self-assembled monolayer (SAM) to modify the ITO surface. Through a preheating procedure, a uniform SAM was produced on the ITO surface, leading to improved device performance.

ACS ENERGY LETTERS (2021)

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Article Chemistry, Multidisciplinary

Open Problems in Wetting Phenomena: Pinning Retention Forces

Rafael Tadmor

Summary: This study reviews existing explanations for drop pinning and depinning, discussing the advantages and disadvantages of various theories and their applicability to different experimental systems. It also describes force laws that can be deduced from these theories and the physical meaning extracted from retention force measurements.

LANGMUIR (2021)

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Review Energy & Fuels

Defect passivation of perovskites in high efficiency solar cells

Shaun Tan et al.

Summary: Metal halide perovskite solar cells show great potential as the next-generation photovoltaic technology, but the formation of crystallographic defects during fabrication can lead to energy losses and operational instability. Researchers are therefore focusing on developing strategies to minimize defect formation and passivate formed defects to improve the efficiency and long-term stability of the cells.

JOURNAL OF PHYSICS-ENERGY (2021)

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Article Chemistry, Physical

Highly Efficient and Thickness Insensitive Inverted Triple-Cation Perovskite Solar Cells Fabricated by Gas Pumping Method

Jianwu Chen et al.

Summary: The gas pumping method shows potential for fabricating perovskite solar cells, with improved film uniformity and device reproducibility compared to the antisolvent method. However, the highest power conversion efficiencies are still achieved by the antisolvent method.

JOURNAL OF PHYSICAL CHEMISTRY LETTERS (2021)

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Article Chemistry, Multidisciplinary

A Lab-to-Fab Study toward Roll-to-Roll Fabrication of Reproducible Perovskite Solar Cells under Ambient Room Conditions

Dechan Angmo et al.

Summary: The hot deposition method and anti-solvent method both result in different properties of perovskite films, with CGD-type PSCs showing comparable PCEs to ND-type PSCs. CGD-type PSCs exhibit improved stability and reproducibility, independent of humidity, indicating potential for future upscaling. R2R-produced PSCs on plastic substrates show promising results, with properties comparable to glass-based PSCs, suggesting potential for large-scale manufacturing.

CELL REPORTS PHYSICAL SCIENCE (2021)

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Article Materials Science, Multidisciplinary

Small grains as recombination hot spots in perovskite solar cells

Qingzhi An et al.

Summary: Studies find that recombination at grain boundaries is diffusion limited and inversely proportional to the grain area to the power of 3/2. The prevalence of small grains, which act as recombination hot spots, dictates the photovoltaic performance of perovskite solar cells.

MATTER (2021)

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Article Energy & Fuels