Publications de Zhaofu Fei | EPFL Graph Search

A Facile Strategy Based on Ionic Liquids to Modulate the Antibacterial, Flame-Retardant, and Sensing Properties of Cotton Fabrics

Surface treatment of textiles causes a significant amount of environmental pollution and endowing traditional fabrics with multiple functions through facile methods remains challenging. Here a simple strategy is proposed involving the copolymerization of m ...

WILEY-V C H VERLAG GMBH2025

Formation Dynamics of Thermally Stable 1D/3D Perovskite Interfaces for High-Performance Photovoltaics

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei

Direct understanding of the formation and crystallization of low-dimensional (LD) perovskites with varying dimensionalities employing the same bulky cations can offer insights into LD perovskites and their heterostructures with 3D perovskites. In this stud ...

Wiley2025

Tuning the selectivity of NH3 oxidation via cooperative electronic interactions between platinum and copper sites

Paul Joseph Dyson, Zhaofu Fei

Selective catalytic oxidation (SCO) of NH3 to N2 is one of the most effective methods used to eliminate NH3 emissions. However, achieving high conversion over a wide operating temperature range while avoiding over-oxidation to NOx remains a significant cha ...

Nature Research2025

Dopant-additive synergism enhances perovskite solar modules

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

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

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

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

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

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

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

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

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

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

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, David Fernando Reyes Vasquez, Hiroyuki Kanda, Liping Zhong

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