Shahzada Ahmad
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View article: Design of Spiro‐Substituted Phthalocyanine Hole‐Selective Layers for Perovskite Solar Cells
Design of Spiro‐Substituted Phthalocyanine Hole‐Selective Layers for Perovskite Solar Cells Open
The design and development of hole‐selective layers remain strategic for enhancing the performance and reliability of perovskite solar cells. We introduce phthalocyanines annelated with Spiro‐core substituent at the β position as a molecul…
View article: Powder Methodology—An Effective Way to Suppress Sn<sup>2+</sup> Oxidation in Narrow Bandgap Pb‐Sn Perovskite
Powder Methodology—An Effective Way to Suppress Sn<sup>2+</sup> Oxidation in Narrow Bandgap Pb‐Sn Perovskite Open
Lead–tin halide perovskites are of significant merits due to their suitability for tandem solar cell fabrication and for lowering the environmental impact. However, the substantial disparity in the crystallization of tin‐ and lead‐based pe…
View article: Peptide‐Perovskite Based Bio‐Inspired Materials for Optoelectronics Applications
Peptide‐Perovskite Based Bio‐Inspired Materials for Optoelectronics Applications Open
The growing demand for environmentally friendly semiconductors that can be tailored and developed easily is compelling researchers and technologists to design inherently bio‐compatible, self‐assembling nanostructures with tunable semicondu…
View article: Pow(d)ering up: FAPI perovskite nanopowders for air-processed blade coated perovskite solar modules
Pow(d)ering up: FAPI perovskite nanopowders for air-processed blade coated perovskite solar modules Open
The FAPI powder engineering approach, which employs ambient blade coating, offers a pathway to address challenges such as fabrication costs, economic viability and environmental sustainability, alongside the enhancement of device performan…
View article: High photodetector responsivity and weak light detection in a manganese doped lead-free low dimensional perovskite
High photodetector responsivity and weak light detection in a manganese doped lead-free low dimensional perovskite Open
Photodetector fabricated from bismuth-based perovskite showed high photodetector responsivity along with weak light detection.
View article: Uncovering the Nanoscopic Humidity Ingression in Multifunctional Addivated Halide Perovskites
Uncovering the Nanoscopic Humidity Ingression in Multifunctional Addivated Halide Perovskites Open
Sulfur‐based multifunctional additives are attractive for increasing not only the device power conversion efficiency but also the moisture stability of perovskite solar cells. The stability of the device against external and internal stres…
View article: Dopant-free <i>tert</i> -butyl Zn( <scp>ii</scp> ) phthalocyanines: the impact of substitution on their photophysical properties and their role in perovskite solar cells
Dopant-free <i>tert</i> -butyl Zn( <span>ii</span> ) phthalocyanines: the impact of substitution on their photophysical properties and their role in perovskite solar cells Open
We synthesized molecular hole-transporting materials featuring a zinc phthalocyanine (ZnPc) central core and modulated the non-peripheral position with different numbers of tert -butyl groups.
View article: The mercurial rise in research of halide perovskites: what´s next
The mercurial rise in research of halide perovskites: what´s next Open
Perovskites are of high potential in the ongoing academic research, due to their distinctive electrical properties and crystalline structures. Halide perovskites show high light emissive properties and panchromatic light absorption across …
View article: Application of large datasets to assess trends in the stability of perovskite photovoltaics through machine learning
Application of large datasets to assess trends in the stability of perovskite photovoltaics through machine learning Open
Current trends in manufacturing indicate that optimised decision making using new state-of-the-art machine learning (ML) technologies will be used.
View article: Preface
Preface Open
View article: Optical constants manipulation of formamidinium lead iodide perovskites: ellipsometric and spectroscopic twigging
Optical constants manipulation of formamidinium lead iodide perovskites: ellipsometric and spectroscopic twigging Open
Unraveling the knowledge of the complex refractive index and photophysical properties of the perovskite layer is paramount to uncovering the physical process that occurs in a perovskite solar cell under illumination.
View article: Defect mitigation using multi-dentate ligand in FASnI3 perovskite films
Defect mitigation using multi-dentate ligand in FASnI3 perovskite films Open
Tin-based perovskite shows a more rational band gap, along with lower exciton-binding energies, and is noted to be suitable for solar cell fabrication. One of the open questions is their lower environmental stability due to poor crystallin…
View article: Progress and Challenges Toward Effective Flexible Perovskite Solar Cells
Progress and Challenges Toward Effective Flexible Perovskite Solar Cells Open
View article: Lead-sulfur interaction induced damp and water stability in pure formamidinium lead triiodide
Lead-sulfur interaction induced damp and water stability in pure formamidinium lead triiodide Open
View article: Molecular Tailoring of Pyridine Core-Based Hole Selective Layer for Lead Free Double Perovskite Solar Cells Fabrication
Molecular Tailoring of Pyridine Core-Based Hole Selective Layer for Lead Free Double Perovskite Solar Cells Fabrication Open
To solve the toxicity issues related to lead-based halide perovskite solar cells, the lead-free double halide perovskite Cs2AgBiBr6 is proposed. However, reduced rate of charge transfer in double perovskites affects o…
View article: Low Switching Power Neuromorphic Perovskite Devices with Quick Relearning Functionality
Low Switching Power Neuromorphic Perovskite Devices with Quick Relearning Functionality Open
In the quest to reduce energy consumption, there is a growing demand for technology beyond silicon as electronic materials for neuromorphic artificial intelligence devices. Equipped with the criteria of energy efficiency and excellent adap…
View article: Performance and Degradation in Silicon PV Systems Under Outdoor Conditions in Relation to Reliability Aspects of Silicon PV Modules – Summary of Results of COST Action PEARL PV
Performance and Degradation in Silicon PV Systems Under Outdoor Conditions in Relation to Reliability Aspects of Silicon PV Modules – Summary of Results of COST Action PEARL PV Open
This paper presents the main results of COST Action PEARL PV, aiming at finding connections between the observed performance of monitored PV systems and degradation causes and failure modes according to literature with a focus on the most …
View article: Overcoming limitations in water-ethanol sprayed superstrate solar cells by compositional engineering of Cu2CdSn(S,Se)4
Overcoming limitations in water-ethanol sprayed superstrate solar cells by compositional engineering of Cu2CdSn(S,Se)4 Open
The increasing demand for solar energy requires materials from earth-abundant elements to ensure cost-effective production. One such light harvester Cu2CdSn(S,Se)4 fulfills this property. We report the development of …
View article: Fluorinated- and non-fluorinated-diarylamine-Zn(II) and Cu(II) Phthalocyanines as Symmetrical vs Asymmetrical Hole Selective Materials
Fluorinated- and non-fluorinated-diarylamine-Zn(II) and Cu(II) Phthalocyanines as Symmetrical vs Asymmetrical Hole Selective Materials Open
Four symmetrically substituted and four asymmetrically substituted fluorinated and non-fluorinated-diarylamine CuPcs and ZnPcs have been designed and utilized as hole transporting materials in perovskite solar in a planar n-i-p st…
View article: Uncovering the Role of Electronic Doping In Lead-free Perovskite (CH3NH3)2CuCl4-xBrx and Solar Cells Fabrication
Uncovering the Role of Electronic Doping In Lead-free Perovskite (CH3NH3)2CuCl4-xBrx and Solar Cells Fabrication Open
Lead halide perovskites are attractive pigments to fabricate solar cells in the laboratory owing to their high power conversion efficiency. However, such materials also possess a high level of toxicity that is carcinogenic for humans and a…
View article: Probing proton diffusion as a guide to environmental stability in powder-engineered FAPbI3 and CsFAPbI3 perovskites
Probing proton diffusion as a guide to environmental stability in powder-engineered FAPbI3 and CsFAPbI3 perovskites Open
View article: Interface Tweaking of Perovskite Solar Cells with Carbon Nitride-based 2D Materials
Interface Tweaking of Perovskite Solar Cells with Carbon Nitride-based 2D Materials Open
Two-dimensional van der Waals layered materials display strong Coulomb interactions, which in turn give rise to large exciton binding energies. Tuning the interface is the basis of devices including optoelectrical, and their delineation is…
View article: Molecular Tailoring of Pyridine Core-Based Hole Selective Layer for Cs2AgBiBr6 Perovskite Solar Cells Fabrication
Molecular Tailoring of Pyridine Core-Based Hole Selective Layer for Cs2AgBiBr6 Perovskite Solar Cells Fabrication Open
The lead-free double perovskite Cs2AgBiBr6 is vouched as an alternative solution to addressing the stability and toxicity issues associated with lead-based perovskite solar cells. However, in double perovskites, restr…
View article: Amplifying the Performance and Stability of Perovskite Solar Cells Using Fluorinated Salt as the Surface Passivator
Amplifying the Performance and Stability of Perovskite Solar Cells Using Fluorinated Salt as the Surface Passivator Open
A simple passivation strategy using a common fluorinated salt is reported that seeks to enhance the photovoltaic performance and long-term stability of halide perovskite solar cells. Tetra-n-butyl ammonium hexa-fluorophosphate is used as a…
View article: Fluorinated- and non-fluorinated-diarylamine-Zn(<scp>ii</scp>) and Cu(<scp>ii</scp>) phthalocyanines as symmetrical <i>vs.</i> asymmetrical hole selective materials
Fluorinated- and non-fluorinated-diarylamine-Zn(<span>ii</span>) and Cu(<span>ii</span>) phthalocyanines as symmetrical <i>vs.</i> asymmetrical hole selective materials Open
Four symmetrically substituted and four asymmetrically substituted fluorinated and non-fluorinated-diarylamine CuPcs and ZnPcs have been designed and utilized as hole transporting materials in perovskite solar cells.
View article: Interface Engineering at Hole Transport Layer/Perovskite with Low band gap 2D-Carbon Nitrides For Solar Cells Fabrication
Interface Engineering at Hole Transport Layer/Perovskite with Low band gap 2D-Carbon Nitrides For Solar Cells Fabrication Open
Interfacial engineering can effectively improve the device's performance by suppressing non-radiative recombination. The inherited ionic and hydrophilic nature of most of the semiconducting materials used for the hole transport layer in pe…
View article: Amplify the performance and stability of perovskite solar cells using fluorinated salt as the surface passivator
Amplify the performance and stability of perovskite solar cells using fluorinated salt as the surface passivator Open
Three-dimensional hybrid perovskite-based solar cells have shown outstanding power conversion efficiency, while layered perovskite is emerging as the advanced version to deliver high stability. Galvanize with the surge of the report of lay…
View article: Automated Machine Learning Approach in Material Discovery of Hole Selective Layers for Perovskite Solar Cells
Automated Machine Learning Approach in Material Discovery of Hole Selective Layers for Perovskite Solar Cells Open
In the emerging field of perovskite solar cells, rational hole selective layer development is considered a double engine of this progress. To tap into the full potential and accelerate the commercialization path, machine learning (ML) is b…
View article: Automated Machine Learning Approach in Material Discovery of Hole Selective Layers for Perovskite Solar Cells
Automated Machine Learning Approach in Material Discovery of Hole Selective Layers for Perovskite Solar Cells Open
In the rapidly emerging field of perovskite solar cells, rational hole selective layer development is considered a double-engine of this progress. To tap into the full potential and accelerate the commercialization path, Machine Learning (…
View article: The Versatility of Polymers in Perovskite Solar Cells
The Versatility of Polymers in Perovskite Solar Cells Open
The development of sustainable, cost-effective, and un-depleted energy resources is a demanding challenge for researchers and technologists. Harvesting an abundant source of energy such as solar light is one of the promising ways, to conve…