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Mohammad Khaja Nazeeruddin

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Publications associées (846)

Cu(II) and Ni(II) Phthalocyanine-Based Hole-Transporting Materials for Stable Perovskite Solar Cells with Efficiencies Reaching 20.0%

Mohammad Khaja Nazeeruddin, Jianxing Xia

Herein, Cu(II)Pcs and Ni(II)Pcs peripherally tetra-functionalized with 5-hexylthiophene (HT), 5-hexyl-2,2 '-bithiophene (HBT), and tertbutyl groups (TB) are readily synthesized and employed as hole-transporting materials (HTMs) in mixed-ion perovskite ([FA ...

WILEY-V C H VERLAG GMBH2024

A thermotropic liquid crystal enables efficient and stable perovskite solar modules

Mohammad Khaja Nazeeruddin, Bin Ding, Jian Xu, Yong Ding, Cheng Liu

Perovskite solar cells have seen impressive progress in performance and stability, yet maintaining efficiency while scaling area remains a challenge. Here we find that additives commonly used to passivate large-area perovskite films often co-precipitate du ...

Nature Portfolio2024

A spiro-type self-assembled hole transporting monolayer for highly efficient and stable inverted perovskite solar cells and modules

Mohammad Khaja Nazeeruddin

Self-assembled monolayers (SAMs) have significantly contributed to the advancement of hole transporting materials (HTMs) for inverted perovskite solar cells (PSCs). However, uneven distribution of SAMs on the substrate largely decreases the PSC performance ...

2024

Controlling Tin Halide Perovskite Oxidation Dynamics in Solution for Perovskite Optoelectronic Devices

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Aurélien Bornet, Roland Christopher Turnell-Ritson, Guixiang Li

As a leading contender to replace lead halide perovskites, tin-based perovskites have demonstrated ever increasing performance in solar cells and light-emitting diodes (LEDs). They tend to be processed with dimethyl sulfoxide (DMSO) solvent, which has been ...

Wiley-VCH Verlag GmbH2024

Investigation of Potential-Induced Degradation and Recovery in Perovskite Minimodules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson

Potential-induced degradation (PID) is a prevalent concern in current commercial photovoltaic technologies, impacting their reliability, with the mechanistic basis for PID in perovskite photovoltaic technologies being poorly understood. Here, we investigat ...

2024

Covalent Organic Framework-Enhanced Metal Halide Perovskites for Selective and Sensitive Gas Sensing

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson

Solution-processed lead-free halide perovskite gas sensors possess low gas detection limits, offering promising alternatives to traditional metal oxide chemiresistors. However, halide perovskite chemiresistors often suffer from poor selectivity and durabil ...

2024

Stress Engineering for Mitigating Thermal Cycling Fatigue in Perovskite Photovoltaics

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yi Zhang

Mechanical residual stresses within multilayer thin-film device stacks become problematic during thermal changes because of differing thermal expansion and contraction of the various layers. Thin-film photovoltaic (PV) devices are a prime example where thi ...

Amer Chemical Soc2024

Enhancing the Efficiency and Stability of Perovskite Solar Cells Using Chemical Bath Deposition of SnO2 Electron Transport Layers and 3D/2D Heterojunctions

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Pascal Alexander Schouwink, Hiroyuki Kanda, Liping Zhong, David Fernando Reyes Vasquez

Chemical bath deposition (CBD) is an effective technique used to produce high-quality SnO2 electron transport layers (ETLs) employed in perovskite solar cells (PSCs). By optimizing the CBD process, high-quality SnO2 films are obtained with minimal oxygen v ...

2024

Ultra-uniform perovskite crystals formed in the presence of tetrabutylammonium bistriflimide afford efficient and stable perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Hiroyuki Kanda, Hobeom Kim, Yong Ding, Jianxing Xia, Alwani Imanah Rafieh, Jaekeun Lim

Compositional engineering of organic-inorganic metal halide perovskite allows for improved optoelectrical properties, however, phase segregation occurs during crystal nucleation and limits perovskite solar cell device performance. Herein, we show that by a ...

2024

Demethylation strategies for spiro-OMeTAD to enhance the thermo-opto-electronic properties as potential hole transport materials in perovskite solar cells

Mohammad Khaja Nazeeruddin

Spiro-OMeTAD is a widely used hole-transporting material (HTM) that plays a crucial role in achieving highly efficient perovskite solar cells (PSCs). In this work, a series of demethylated functionalized spiro-OMeTAD-based derivatives with different number ...

2024

Enhancing Efficiency of Industrially-Compatible Monolithic Perovskite/Silicon Tandem Solar Cells with Dually-Mixed Self-Assembled Monolayers

Mohammad Khaja Nazeeruddin, Peng Gao, Ye Yang, Chaohui Li

The antisolvent-assisted spin-coating still lags behind the thermal evaporation method in fabricating perovskite films atop industrially textured silicon wafers in making monolithic perovskite/silicon solar cells (P/S-TSCs). The inhomogeneity of hole-selec ...

Wiley-V C H Verlag Gmbh2024

Experimental and first-principles insights into an enhanced performance of Ru-doped copper phosphate electrocatalyst during oxygen evolution reaction

Mohammad Khaja Nazeeruddin

The OER involves a four-electron transfer and is a kinetically sluggish reaction that requires additional potential to drive. To enhance the electrochemical performance of the above-mentioned applications, highly efficient, corrosion-resistant, earth-abund ...

2024

Visible Light-Triggered Self-Welding Perovskite Solar Cells and Modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding

Flexible perovskite solar cells (F-PSCs) are highly promising for both stationary and mobile applications because of their advantageous features, including mechanical flexibility, their lightweight and thin nature, and cost-effectiveness. However, a number ...

Wiley2024

Efficient and Stable Perovskite Solar Cells with a Multifunctional Spiro-Based Hole Transport Material

Mohammad Khaja Nazeeruddin

The widely used spiro-OMeTAD exhibits moderate interaction with the perovskite layer, which does not decrease the defect on the perovskite surface, thus limiting the photoelectric performance of perovskite solar cells. In this work, the spiro-OMeTAD struct ...

2024

ZnO nanostructures - Future frontiers in photocatalysis, solar cells, sensing, supercapacitor, fingerprint technologies, toxicity, and clinical diagnostics

Mohammad Khaja Nazeeruddin

Zinc is the most abundant and broadly studied metal oxide semiconductor. Its photophysical properties include optical, electrical, magnetic, catalytic, sensing, energy storage, antibacterial, anti-oxidant, and drug delivery applications have been extensive ...

ELSEVIER SCIENCE SA2024

Machine learning models for prediction of electrochemical properties in supercapacitor electrodes using MXene and graphene nanoplatelets

Mohammad Khaja Nazeeruddin

Herein, machine learning (ML) models using multiple linear regression (MLR), support vector regression (SVR), random forest (RF) and artificial neural network (ANN) are developed and compared to predict the output features viz. specific capacitance (Csp), ...

Elsevier Science Sa2024

Evaluating the role of inkjet printing in perovskite solar modules manufacturing using mathematical modeling

Mohammad Khaja Nazeeruddin, François Maréchal

Given the solution-phase processability and low energy intensity of several techniques, many techniques have been explored to manufacture these cells and modules. Among them, inkjet printing has shown potential for fabricating all the active layers while a ...

2024

D-A-D- and A-A-D-Type Cyanopyridone Derivatives as a New Class of Hole-Transporting Materials for Perovskite Solar Cells

Mohammad Khaja Nazeeruddin

The present study focused on the development and characterization of four new low-cost hole-transporting materials (HTMs), ZZ01, DJ01, PR01, and PM01, designed based on the concepts of donor-acceptor-donor (D-A-D) or acceptor-acceptor-donor (A-A-D) for app ...

2024

Shallow-level defect passivation by 6H perovskite polytype for highly efficient and stable perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Farzaneh Fadaei Tirani, Pascal Alexander Schouwink, Hiroyuki Kanda, Hobeom Kim, So-Min Yoo, Yong Ding

The power conversion efficiency of perovskite solar cells continues to increase. However, defects in perovskite materials are detrimental to their carrier dynamics and structural stability, ultimately limiting the photovoltaic characteristics and stability ...

Nature Research2024

Structural divergence of molecular hole selective materials for viable p-i-n perovskite photovoltaics: a comprehensive review

Mohammad Khaja Nazeeruddin, Peng Gao, Paramaguru Ganesan

Perovskite solar cells (PSCs) have garnered significant attention within the photovoltaic research community due to their remarkable progress in just one decade. Among the device configurations, the p-i-n structured PSC offers several advantages, including ...

Royal Society of Chemistry2024

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