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Linfeng Pan

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Related publications (25)

Formation of High-Performance Multi-Cation Halide Perovskites Photovoltaics by delta-CsPbI3/delta-RbPbI3 Seed-Assisted Heterogeneous Nucleation

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mounir Driss Mensi, Felix Thomas Eickemeyer, Thomas Paul Baumeler, Ulf Anders Hagfeldt, Zaiwei Wang, Bowen Yang, Linfeng Pan, Essa Awadh R Alharbi

The performance of perovskite solar cells is highly dependent on the fabrication method; thus, controlling the growth mechanism of perovskite crystals is a promising way towards increasing their efficiency and stability. Herein, a multi-cation halide compo ...

2021

Synergistic Effect of Fluorinated Passivator and Hole Transport Dopant Enables Stable Perovskite Solar Cells with an Efficiency Near 24%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Ulf Anders Hagfeldt, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Olivier Ouellette

Long-term durability is critically important for the commercialization of perovskite solar cells (PSCs). The ionic character of the perovskite and the hydrophilicity of commonly used additives for the hole-transporting layer (HTL), such as lithium bis(trif ...

2021

Combined Precursor Engineering and Grain Anchoring Leading to MA-Free, Phase-Pure, and Stable alpha-Formamidinium Lead Iodide Perovskites for Efficient Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Carole Graetzel, Jing Gao, Yuhang Liu, Dan Ren, Linfeng Pan, Hongwei Zhu, Anurag Krishna, Olivier Ouellette

alpha-Formamidinium lead iodide (alpha-FAPbI(3)) is one of the most promising candidate materials for high-efficiency and thermally stable perovskite solar cells (PSCs) owing to its outstanding optoelectrical properties and high thermal stability. However, ...

Wiley-VCH Verlag GmbH2021

Low-Cost Dopant Additive-Free Hole-Transporting Material for a Robust Perovskite Solar Cell with Efficiency Exceeding 21%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Ulf Anders Hagfeldt, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Zhongjin Shen

Developing hole-transporting materials (HTMs) with appropriate molecular configuration and charge mobility is important to improve perovskite solar cell (PSC) photovoltaic performance and their feasibility for commercialization. In this work, a novel pyram ...

2021

Anchoring single platinum atoms onto nickel nanoparticles affords highly selective catalysts for lignin conversion

Paul Joseph Dyson, Gabor Laurenczy, Zhaofu Fei, Antoine Philippe Van Muyden, Ulf Anders Hagfeldt, Jun Li, Lichen Bai, Linfeng Pan, Lu Chen, Yun Tong

Due to the highly complex polyphenolic structure of lignin, depolymerization without a prior chemical treatment is challenging, and new catalysts are required. Atomically dispersed catalysts are able to maximize the atomic efficiency of noble metals, simul ...

ELSEVIER2021

Cu2O photocathodes with band-tail states assisted hole transport for standalone solar water splitting

Michael Graetzel, Kevin Sivula, Ulf Anders Hagfeldt, Liang Yao, Yuhang Liu, Dan Ren, Linfeng Pan

Photoelectrochemical water splitting provides a promising solution for harvesting and storing solar energy. As the best-performing oxide photocathode, the Cu2O photocathode holds the performance rivaling that of many photovoltaic semiconductor-based photoc ...

Nature Research2020

Tailored Amphiphilic Molecular Mitigators for Stable Perovskite Solar Cells with 23.5% Efficiency

Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Mohammad Ibrahim Dar, Ulf Anders Hagfeldt, Yuhang Liu, Dan Ren, Zaiwei Wang, Xiong Li, Bowen Yang, Linfeng Pan

Passivation of interfacial defects serves as an effective means to realize highly efficient and stable perovskite solar cells (PSCs). However, most molecular modulators currently used to mitigate such defects form poorly conductive aggregates at the perovs ...

Wiley2020

Guanine‐Stabilized Formamidinium Lead Iodide Perovskites

Shaik Mohammed Zakeeruddin, Marko Mladenovic, David Lyndon Emsley, Yuhang Liu, Ursula Röthlisberger, Dan Ren, Linfeng Pan, Jovana Milic, Paramvir Ahlawat, Ulf Anders Hagfeldt

Formamidinium (FA) lead iodide perovskite materials feature promising photovoltaic performances and superior thermal stabilities. However, conversion of the perovskite α‐FAPbI3 phase to the thermodynamically stable yet photovoltaically inactive δ‐FAPbI3 ph ...

2020

Ultrahydrophobic 3D/2D fluoroarene bilayer-based water-resistant perovskite solar cells with efficiencies exceeding 22%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jovana Milic, Ulf Anders Hagfeldt, Mohammad Ibrahim Dar, Neha Arora, Yuhang Liu, Linfeng Pan, Alexander Roland Uhl, Seckin Akin

Preventing the degradation of metal perovskite solar cells (PSCs) by humid air poses a substantial challenge for their future deployment. We introduce here a two-dimensional (2D) A(2)PbI(4) perovskite layer using pentafluoro-phenylethylammonium (FEA) as a ...

2019

Cuprous Oxide Photoelectrodes for Photoelectrochemical Water Splitting towards Unassisted Solar Hydrogen Production

Linfeng Pan

To handle global problems of energy and environmental pollution, efforts have been made to harvest energy from sunlight. Photoelectrochemcal water splitting is an efficient way to achieve sustainable solar-fuel production. However, to make this method comp ...

EPFL2019

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Formation of High-Performance Multi-Cation Halide Perovskites Photovoltaics by delta-CsPbI3/delta-RbPbI3 Seed-Assisted Heterogeneous Nucleation

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mounir Driss Mensi, Felix Thomas Eickemeyer, Thomas Paul Baumeler, Ulf Anders Hagfeldt, Zaiwei Wang, Bowen Yang, Linfeng Pan, Essa Awadh R Alharbi

2021

Synergistic Effect of Fluorinated Passivator and Hole Transport Dopant Enables Stable Perovskite Solar Cells with an Efficiency Near 24%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Ulf Anders Hagfeldt, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Olivier Ouellette

2021

Combined Precursor Engineering and Grain Anchoring Leading to MA-Free, Phase-Pure, and Stable alpha-Formamidinium Lead Iodide Perovskites for Efficient Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin, Carole Graetzel, Jing Gao, Yuhang Liu, Dan Ren, Linfeng Pan, Hongwei Zhu, Anurag Krishna, Olivier Ouellette

Wiley-VCH Verlag GmbH2021

Low-Cost Dopant Additive-Free Hole-Transporting Material for a Robust Perovskite Solar Cell with Efficiency Exceeding 21%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Ulf Anders Hagfeldt, Yuhang Liu, Linfeng Pan, Hongwei Zhu, Yameng Ren, Zhongjin Shen

2021