Publications de Hongwei Zhu | EPFL Graph Search

Molecularly Tailored Surface Defect Modifier for Efficient and Stable Perovskite Solar Cells

Shaik Mohammed Zakeeruddin, Zhongjin Shen, Yelin Hu, Hongwei Zhu, Yinghui Wu, Jialin Wang, Miao Chen

Surface defects cause non-radiative charge recombination and reduce the photovoltaic performance of perovskite solar cells (PSCs), thus effective passivation of defects has become a crucial method for achieving efficient and stable devices. Organic ammoniu ...

WILEY-V C H VERLAG GMBH2023

Thermophysical and thermomechanical properties of basalt-phenolic FRP rebars under high temperature

Thomas Keller, Hongwei Zhu, Ting Li, Jiahui Shen

An experimental investigation was conducted on the thermophysical and thermomechanical properties of phenolic-basalt fiber-reinforced polymer (P-BFRP) rebars subjected to high temperature. As a comparison, vinylBFRP (V-BFRP) and epoxy-BFRP (E-BFRP) rebars ...

ELSEVIER SCI LTD2022

CNT-based bifacial perovskite solar cells towards highly efficient 4-terminal tandem photovoltaics

Michael Graetzel, Shaik Mohammed Zakeeruddin, Fan Fu, Hongwei Zhu, Chunyang Zhang

Carbon-based perovskite solar cells (C-PSCs) are recognized as low-cost stable photovoltaics. However, currently most highly efficient C-PSCs are optically opaque, which means that they can only utilize direct illumination but cannot efficiently utilize th ...

2022

Cyclopentadiene-Based Hole-Transport Material for Cost-Reduced Stabilized Perovskite Solar Cells with Power Conversion Efficiencies Over 23%

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Yuhang Liu, Thomas Paul Baumeler, Hongwei Zhu, Michael Bauer

Hole transport materials (HTM) are an important component in perovskite solar cells (PSC). Despite a multitude of HTMs developed in recent years, only few of them lead to solar cells with efficiencies over 20%. Therefore, it is still a challenge to develop ...

WILEY-V C H VERLAG GMBH2021

Stabilization of Highly Efficient and Stable Phase-Pure FAPbI(3)Perovskite Solar Cells by Molecularly Tailored 2D-Overlayers

Michael Graetzel, Shaik Mohammed Zakeeruddin, Felix Thomas Eickemeyer, Yuhang Liu, Ulf Anders Hagfeldt, Mohammad Ibrahim Dar, Hong Zhang, Jiahuan Zhang, Jiyoun Seo, Seckin Akin, Hongwei Zhu

As a result of their attractive optoelectronic properties, metal halide APbI(3)perovskites employing formamidinium (FA(+)) as the A cation are the focus of research. The superior chemical and thermal stability of FA(+)cations makes alpha-FAPbI(3)more suita ...

WILEY-V C H VERLAG GMBH2020

Macrophage NCOR1 Deficiency Ameliorates Myocardial Infarction and Neointimal Hyperplasia in Mice

Johan Auwerx, Hongwei Zhu, Yuan Liu, Yan Liu, Shuai Shao

Background NCOR1 (nuclear receptor corepressor 1) is an essential coregulator of gene transcription. It has been shown that NCOR1 in macrophages plays important roles in metabolic regulation. However, the function of macrophage NCOR1 in response to myocard ...

2020

Efficient Perovskite Solar Cell Modules with High Stability Enabled by Iodide Diffusion Barriers

Michael Graetzel, Hongwei Zhu, Xianwei Zeng, Tianhao Wu

Operational stability of efficient opto-electronic conversion is crucial for the success in large-scale application of perovskites devices. Owing to the intrinsically weak structure of perovskites, iodide represents the most volatile constituents, and its ...

CELL PRESS2019

Over 20% PCE perovskite solar cells with superior stability achieved by novel and low-cost hole-transporting materials

Shaik Mohammed Zakeeruddin, Jingshan Luo, Chenyi Yi, Dongqin Bi, Norman Pellet, Xiong Li, Fei Zhang, Hongwei Zhu, Shilong Wang, Ziyun Wang

The exploration of alternative low-cost molecular hole-transporting materials (HTMs) for both highly efficient and stable perovskite solar cells (PSCs) is a relatively new research area. Two novel HTMs using the thiophene core were designed and synthesized ...

Elsevier Science Bv2017

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Hongwei Zhu

Molecularly Tailored Surface Defect Modifier for Efficient and Stable Perovskite Solar Cells

Thermophysical and thermomechanical properties of basalt-phenolic FRP rebars under high temperature

CNT-based bifacial perovskite solar cells towards highly efficient 4-terminal tandem photovoltaics

Cyclopentadiene-Based Hole-Transport Material for Cost-Reduced Stabilized Perovskite Solar Cells with Power Conversion Efficiencies Over 23%

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

Stabilization of Highly Efficient and Stable Phase-Pure FAPbI(3)Perovskite Solar Cells by Molecularly Tailored 2D-Overlayers

Macrophage NCOR1 Deficiency Ameliorates Myocardial Infarction and Neointimal Hyperplasia in Mice

Efficient Perovskite Solar Cell Modules with High Stability Enabled by Iodide Diffusion Barriers

Over 20% PCE perovskite solar cells with superior stability achieved by novel and low-cost hole-transporting materials

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Chattez avec Graph Search

CNT-based bifacial perovskite solar cells towards highly efficient 4-terminal tandem photovoltaics

Stabilization of Highly Efficient and Stable Phase-Pure FAPbI(3)Perovskite Solar Cells by Molecularly Tailored 2D-Overlayers

Molecularly Tailored Surface Defect Modifier for Efficient and Stable Perovskite Solar Cells

Thermophysical and thermomechanical properties of basalt-phenolic FRP rebars under high temperature

Cyclopentadiene-Based Hole-Transport Material for Cost-Reduced Stabilized Perovskite Solar Cells with Power Conversion Efficiencies Over 23%

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

Efficient Perovskite Solar Cell Modules with High Stability Enabled by Iodide Diffusion Barriers

Macrophage NCOR1 Deficiency Ameliorates Myocardial Infarction and Neointimal Hyperplasia in Mice

Over 20% PCE perovskite solar cells with superior stability achieved by novel and low-cost hole-transporting materials