Publications by Bing Zhang | EPFL Graph Search

Regulation of the cGAS-STING Pathway

Andrea Ablasser, Pengbiao Xu, Bing Zhang

The cGAS-cGAMP-STING pathway is essential for immune defense against pathogens. Upon binding DNA, cGAS synthesizes cGAMP, which activates STING, leading to potent innate immune effector responses. However, lacking specific features to distinguish between s ...

Annual Reviews2025

Hydrothermal Deposition of UV-Absorbing Passivation Layers for Efficient and Stable Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Yi Zhang, Bing Zhang

Despite recent increases in perovskite solar cell (PSC) efficiencies, long-term stability remains a barrier to manufacturing and marketing. SnO2 electron transport layers enable the low-temperature processing of planer n-i-p structured PSCs. However, ultra ...

WILEY2023

Bifunctional additive 2-amino-3-hydroxypyridine for stable and high-efficiency tin-lead perovskite solar cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Yi Zhang, Bing Zhang

Tin-lead (Sn-Pb) mixed perovskite has received widespread attention due to its suitable band gap width and high optical absorption coefficients. However, the power conversion efficiency (PCE) of Sn-Pb mixed perovskite solar cells (PSCs) is still low due to ...

Royal Society of Chemistry2022

Ultraviolet Filtration Passivator for Stable High-Efficiency Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Yi Zhang, Bing Zhang

Although the published values of power conversion efficiency (PCE) have increased continuously in recent years for perovskite solar cells (PSCs), improvements in the stability and performance of PSCs with conventional TiO2 or SnO2 electron transport layers ...

AMER CHEMICAL SOC2022

A Porphyrin-Involved Benzene-1,3,5-Tricarboxamide Dendrimer (Por-BTA) as a Multifunctional Interface Material for Efficient and Stable Perovskite Solar Cells

Peng Zhao, Yi Zhang, Bing Zhang

Surface defects of perovskite films are the major sources of nonradiative recombination which limit the efficiency and stability of perovskite solar cells. Surface passivation represents one of the most efficient strategies to solve this problem. Herein, f ...

AMER CHEMICAL SOC2021

In Situ Graded Passivation via Porphyrin Derivative with Enhanced Photovoltage and Fill Factor in Perovskite Solar Cells

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Yi Zhang, Bing Zhang

While perovskite solar cells (PSCs) have recently experienced a rapid rise in power conversion efficiency (PCE), the prevailing PSCs still contain nondesirable defects in the interior and interface of the perovskite layer, which limits further enhancement ...

WILEY-V C H VERLAG GMBH2021

Engineering long-term stability into perovskite solar cells via application of a multi-functional TFSI-based ionic liquid

Mohammad Khaja Nazeeruddin, Rosario Scopelliti, Paul Joseph Dyson, Zhaofu Fei, Farzaneh Fadaei Tirani, Andreas Züttel, Yi Zhang, Wen Luo, Hiroyuki Kanda, Bin Ding, Bing Zhang

Organic-inorganic metal-halide perovskite solar cells (PSCs) have achieved a certified power-conversion efficiency (PCE) of 25.5%. However, long-term stability and air stability of the PSCs are still major concerns and hamper commercialization. Herein, we ...

2021

Stable and High-Efficiency Methylammonium-Free Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen, Yi Zhang, Wen Luo, Ruiyuan Hu, Bing Zhang

Organic-inorganic metal halide perovskite solar cells (PSCs) have achieved certified power conversion efficiency (PCE) of 25.2% with complex compositional and bandgap engineering. However, the thermal instability of methylammonium (MA) cation can cause the ...

Wiley2020

Enhanced Interfacial Binding and Electron Extraction Using Boron-Doped TiO2 for Highly Efficient Hysteresis-Free Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Qianbing Zhang, Linhua Hu, Yong Ding, Bing Zhang

Perovskite solar cells (PSCs) have witnessed astonishing improvement in power conversion efficiency (PCE), more recently, with advances in long-term stability and scalable fabrication. However, the presence of an anomalous hysteresis behavior in the curren ...

2019

Intracellular bacteria engage a STING-TBK1-MVB12b pathway to enable paracrine cGAS-STING signalling

Alix Martin, Thomas Charles Henry Rossi, Ensieh Farahani, Andrea Ablasser, Bing Zhang

The innate immune system is crucial for eventual control of infections, but may also contribute to pathology. Listeria monocytogenes is an intracellular Gram-positive bacteria and a major cause of food-borne disease. However, important knowledge on the int ...

NATURE PUBLISHING GROUP2019

NTIRE 2018 Challenge on Spectral Reconstruction from RGB Images

Radu Timofte, Marjan Shahpaski, Ruofan Zhou, Fayez Lahoud, Majed El Helou, Dong Liu, Lei Zhang, Soumik Sarkar, Himanshu Sharma, Bing Zhang, Chang Chen

This paper reviews the first challenge on spectral image reconstruction from RGB images, i.e., the recovery of whole-scene hyperspectral (HS) information from a 3- channel RGB image. The challenge was divided into 2 tracks: the “Clean” track sought HS reco ...

2018

Hexagonal mesoporous silica islands to enhance photovoltaic performance of planar junction perovskite solar cells

Wei Yan, Yi Zhang, Bing Zhang

The efficiency of perovskite solar cells based on mesoscopic TiO2 was soaring over the past 3 years and is expected to reach over 25% by engineering the compn. of perovskite and interface layers. Efforts to increase the power conversion efficiency (PCE) o ...

Royal Society of Chemistry2017

Low-temperature, solution-deposited metal chalcogenide films as highly efficient counter electrodes for sensitized solar cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Linhua Hu, Feng Liu, Bing Zhang

Transition metal chalcogenide crystalline films FeSe2, Cu1.8S, and CuSe have been deposited from solution by drop casting their dissolved inks onto a conductive substrate, followed by a mild thermal treatment. We demonstrate that the resulting chalcogenide ...

Royal Society of Chemistry2015

High-efficiency and stable quasi-solid-state dye-sensitized solar cell based on low molecular mass organogelator electrolyte

Michael Graetzel, Mohammad Khaja Nazeeruddin, Yen-Huan Li, Xu Pan, Yong Ding, Bing Zhang, Lu Wang, Li Tao

The highest photoelectric conversion efficiency (9.61%) for a quasi-solid-state DSSC (QS-DSSC) based on a low molecular mass organogelator (LMOG) is achieved using N, N'-1,5-pentanediylbis-dodecanamide as a LMOG in conjunction with a TiO2 photoanode of sub ...

Royal Society of Chemistry2015

Stable Quasi-Solid-State Dye-Sensitized Solar Cells Using Novel Low Molecular Mass Organogelators and Room-Temperature Molten Salts

Michael Graetzel, Mohammad Khaja Nazeeruddin, Chunyang Zhang, Yong Ding, Bing Zhang, Li Tao

Stable quasi-solid-state dye-sensitized solar cells (DSCs) were fabricated by using room-temperature molten salts (1-methyl-3-hexyl-imidazolium iodide), and a series of diamine derivatives with different lengths of alkyl chain as low molecular mass organog ...

American Chemical Society2014