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Paul Joseph Dyson

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Publications associées (669)

Dopant-additive synergism enhances perovskite solar modules

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Farzaneh Fadaei Tirani, Hiroyuki Kanda, Bin Ding, Yong Ding

Perovskite solar cells (PSCs) are among the most promising photovoltaic technologies owing to their exceptional optoelectronic properties 1,2 . However, the lower efficiency, poor stability and reproducibility issues of large-area PSCs compared with labora ...

Nature Portfolio2024

Anomalous Electroluminescence Characteristics of Perovskite Modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson

Spatially resolved photoluminescence (PL) and electroluminescence (EL) imaging technologies play a crucial role in evaluating the performance and stability of photovoltaic devices. However, their application in perovskite devices presents unique challenges ...

2024

Carboxyl‐functionalized Alkylimidazolium Salts for Thermomorphic Acid‐Catalyzed Polysaccharide Hydrolysis in Water

Paul Joseph Dyson, Kedar Ashok Abhyankar

We report the use of carboxyl‐functionalised alkylimidazolium salts as thermomorphic acid catalysts for the hydrolysis of cellulose and starch in water, free from organic solvents and auxiliary substances. The imidazolium salts are insoluble in water at ro ...

Wiley2024

Catalytic Oxidation of BTX (Benzene, Toluene, and Xylene) Using Metal Oxide Perovskites

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei

The high toxicity, volatility, and dispersion of the light aromatics, benzene, toluene, and xylene (BTX) pose a serious threat to the environment and human health. Compared to incineration, catalytic oxidation technologies for BTX removal offer benefits su ...

Wiley-V C H Verlag Gmbh2024

Heteroatom Engineering of a Dibenzo[g,p]Chrysene-Based Hole Transporting Material Provides High-Performance Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Bin Ding, Yong Ding

Hole-transporting materials (HTMs) are indispensable for realizing efficient and stable perovskite solar cells (PSCs). Herein, a novel dibenzo[g,p]chrysene-based HTM, termed FTPE-OSMe, is synthesized with peripheral methoxy- and methylthio-groups, which co ...

Wiley-V C H Verlag Gmbh2024

Photovoltaic or optoelectronic devices with molecular orbital stretching junctions

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Jianxing Xia

The invention relates to a dopant-free perovskite optoelectronic or photovoltaic device presenting molecular orbital stretching-junction, wherein the hole transport layer is a multilayer structure comprising at least two layers, each layer comprising a dif ...

2024

Ginkgo Leaf-Derived Carbon Supports for the Immobilization of Iron/Iron Phosphide Nanospheres for Electrocatalytic Hydrogen Evolution

Paul Joseph Dyson, Zhaofu Fei

Iron/iron phosphide nanospheres supported on ginkgo leaf-derived carbon (Fe&FeP@gl-C) are prepared using a post-phosphidation approach, with varying amounts of iron (Fe). The activity of the catalysts in the hydrogen evolution reaction (HER) outperforms ir ...

Wiley-V C H Verlag Gmbh2024

New melphalan derivatives for the treatment of retinoblastoma in combination with thermotherapy

Paul Joseph Dyson, Aurélien Bornet, Daniel Ortiz Trujillo, Farzaneh Fadaei Tirani

Of the different modalities used to treat retinoblastoma, a chemothermotherapeutic regimen combining carboplatin and thermotherapy (also termed focal therapy), and the application of melphalan as a monotherapy, are particularly successful. Some studies ind ...

Royal Soc Chemistry2024

Dopant-Free Pyrene-Based Hole Transporting Material Enables Efficient and Stable Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Farzaneh Fadaei Tirani, Bin Ding, Yong Ding

Dopant-free hole transporting materials (HTMs) is significant to the stability of perovskite solar cells (PSCs). Here, we developed a novel star-shape arylamine HTM, termed Py-DB, with a pyrene core and carbon-carbon double bonds as the bridge units. Compa ...

Wiley-VCH Verlag GmbH2024

Ru(II)-Arene Complexes of Curcumin and Bisdesmethoxycurcumin Metabolites

Paul Joseph Dyson, Farzaneh Fadaei Tirani, Mouna Hadiji

Curcuminoids and their complexes continue to attract attention in medicinal chemistry, but little attention has been given to their metabolic derivatives. Here, the first examples of (arene)Ru(II) complexes with curcuminoid metabolites, tetrahydrocurcumin ...

Amer Chemical Soc2024

Cation reactivity inhibits perovskite degradation in efficient and stable solar modules

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Kangning Zhao, Roland Christopher Turnell-Ritson

Perovskite solar modules (PSMs) show outstanding power conversion efficiencies (PCEs), but long-term operational stability remains problematic. We show that incorporating N,N-dimethylmethyleneiminium chloride into the perovskite precursor solution formed d ...

2024

Carbazole Treated Waterproof Perovskite Films with Improved Solar Cell Performance

Michael Graetzel, Paul Joseph Dyson, Ursula Röthlisberger, Haizhou Lu, Felix Thomas Eickemeyer, Yeonju Kim, Jaeki Jeong, Lukas Pfeifer, Nikolaos Lempesis, Virginia Carnevali

Surface passivation has been widely employed to suppress non-radiative charge recombination and prevent interfacial charge accumulation in perovskite photovoltaics. In this report, carbazole modified with ammonium iodide connected via alkyl chains of diffe ...

Wiley-V C H Verlag Gmbh2024

Tandem catalysis enables chlorine-containing waste as chlorination reagents

Paul Joseph Dyson, Mingyang Liu, Xinbang Wu

Chlorinated compounds are ubiquitous. However, accumulation of chlorine-containing waste has a negative impact on human health and the environment due to the inapplicability of common disposal methods, such as landfill and incineration. Here we report a su ...

Nature Portfolio2024

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

Thermally stable high-loading single Cu sites on ZSM-5 for selective catalytic oxidation of NH3

Paul Joseph Dyson, Xinbang Wu

Rigorous comparisons between single site- and nanoparticle (NP)-dispersed catalysts featuring the same composition, in terms of activity, selectivity, and reaction mechanism, are limited. This limitation is partly due to the tendency of single metal atoms ...

National Academy of Sciences2024

Anticancer potential of NSAID-derived tris(pyrazolyl)methane ligands in iron(ii) sandwich complexes

Paul Joseph Dyson, Irina Sinenko

Tris(pyrazolyl)methane (tpm), 2,2,2-tris(pyrazolyl)ethanol (tpmOH) and its esterification derivatives with ibuprofen and flurbiprofen (tpmIBU and tpmFLU) were used as ligands to obtain complexes of the type [Fe(tpmX)2]Cl2 (1-4). The tpmIBU and tpmFLU ligan ...

2024

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