Publications de Yong Ding | EPFL Graph Search

Three-pion Bose-Einstein correlations measured in proton-proton collisions

Aurelio Bay, Tatsuya Nakada, Guido Haefeli, Olivier Schneider, Frédéric Blanc, Lesya Shchutska, Elena Graverini, Yong Ding, Ettore Zaffaroni, Aravindhan Venkateswaran, Dimitrios Kaminaris, Radoslav Marchevski, Luis Miguel Garcia Martin

A study on the Bose-Einstein correlations for triplets of same-sign pions is presented. The analysis is performed using proton-proton collisions at a centre-of-mass energy of

\sqrt{s}

= 7 TeV, recorded by the LHCb experiment, corresponding to an integr ...

Springer Science and Business Media LLC2025

Localized Tunneling 1D Perovskitoid Passivated Contacts for Efficient and Stable Perovskite Solar Modules

Mohammad Khaja Nazeeruddin, Yong Ding

Interface engineering has proven to be an effective approach for passivating interfacial imperfections to mitigate non-radiative recombination, but the subpar interface quality between the perovskite and the charge transport layer has hindered advancements ...

2025

Impact of processing atmosphere on nanoscale properties of highly efficient Cs0.05MA0.05FA0.9PbI3 perovskite solar cells

Mohammad Khaja Nazeeruddin, Yong Ding

The fabrication process of triple-cation-halide organic inorganic perovskites must be tightly controlled to make high-efficiency solar cells. After precursor deposition, the amount of oxygen and moisture during the annealing process is important but not al ...

ROYAL SOC CHEMISTRY2025

Cation interdiffusion control for 2D/3D heterostructure formation and stabilization in inorganic perovskite solar modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Xianfu Zhang

Inorganic perovskite solar cells could benefit from surface passivation using 2D/3D perovskite heterostructures. However, conventional spacer cations fail to exchange with the tightly bonded Cs cation in the inorganic perovskite to form 2D layers atop; or, ...

2025

Versatile self-assembled monolayers for perovskite-based optoelectronic devices

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Li Tao

The emergence of metal halide perovskite materials has triggered a revolutionary change in optoelectronic devices. Due to their outstanding optoelectronic properties and defect tolerance, metal halide perovskites can be used for a wide range of application ...

2025

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

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

Micro-homogeneity of lateral energy landscapes governs the performance in perovskite solar cells

Mohammad Khaja Nazeeruddin, Yong Ding

Suppression of energy disorders in the vertical direction of a photovoltaic device, along which charge carriers are forced to travel, has been extensively studied to reduce unproductive charge recombination and thus achieve high-efficiency perovskite solar ...

Nature Portfolio2024

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

A thermotropic liquid crystal enables efficient and stable perovskite solar modules

Mohammad Khaja Nazeeruddin, Bin Ding, Jian Xu, Yong Ding, Cheng Liu

Perovskite solar cells have seen impressive progress in performance and stability, yet maintaining efficiency while scaling area remains a challenge. Here we find that additives commonly used to passivate large-area perovskite films often co-precipitate du ...

Nature Portfolio2024

Ultra-uniform perovskite crystals formed in the presence of tetrabutylammonium bistriflimide afford efficient and stable perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Zhaofu Fei, Hiroyuki Kanda, Hobeom Kim, Yong Ding, Jianxing Xia, Alwani Imanah Rafieh, Jaekeun Lim

Compositional engineering of organic-inorganic metal halide perovskite allows for improved optoelectrical properties, however, phase segregation occurs during crystal nucleation and limits perovskite solar cell device performance. Herein, we show that by a ...

2024

Visible Light-Triggered Self-Welding Perovskite Solar Cells and Modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding

Flexible perovskite solar cells (F-PSCs) are highly promising for both stationary and mobile applications because of their advantageous features, including mechanical flexibility, their lightweight and thin nature, and cost-effectiveness. However, a number ...

Wiley2024

Shallow-level defect passivation by 6H perovskite polytype for highly efficient and stable perovskite solar cells

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Farzaneh Fadaei Tirani, Pascal Alexander Schouwink, Hiroyuki Kanda, Hobeom Kim, So-Min Yoo, Yong Ding

The power conversion efficiency of perovskite solar cells continues to increase. However, defects in perovskite materials are detrimental to their carrier dynamics and structural stability, ultimately limiting the photovoltaic characteristics and stability ...

Nature Research2024

3D Conjugated Hole Transporting Materials for Efficient and Stable Perovskite Solar Cells and Modules

Keith Gregory Brooks, Paul Joseph Dyson, Zhaofu Fei, Tom Theodorus Antonius Lummen, Bin Ding, Yong Ding

The orthogonal structure of the widely used hole transporting material (HTM) 2,2 ',7,7 '-tetrakis(N, N-di-p-methoxyphenylamino)-9,9 '-spirobifluorene (Spiro-OMeTAD) imparts isotropic conductivity and excellent film-forming capability. However, inherently w ...

Wiley-V C H Verlag Gmbh2024

Efficient perovskite solar modules with an ultra-long processing window enabled by cooling stabilized intermediate phases

Mohammad Khaja Nazeeruddin, Yong Ding

Perovskite solar cells (PSCs) have shown promising progress in efficiency and stability, but their application needs further development from small-area cells to large-area modules. When fabricating solar cell modules on large-area substrates, it takes a l ...

2024

Suppressing surface and interface recombination to afford efficient and stable inverted perovskite solar cells

Yen-Cheng Liu, Yong Ding

The top surface of the perovskite layer and the interface with the electron transporting layer play a key role in influencing the performance and operational stability of inverted perovskite solar cells (PSCs). A deficient or ineffective surface passivatio ...

ROYAL SOC CHEMISTRY2024

Role of Ionic Liquids in Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Bin Ding, Yong Ding, Xianfu Zhang

Although the power conversion efficiency of perovskite solar cells (PSCs) has reached 25.7%, there is still great potential for improvement in their performance and stability. In the past few years, ionic liquids (ILs) have been extensively investigated an ...

WILEY-V C H VERLAG GMBH2023

Oriented nucleation in formamidinium perovskite for photovoltaics

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Bin Ding, Yong Ding, Xu Zhang, Ke Zhao, Yang Yang

The black phase of formamidinium lead iodide (FAPbI(3)) perovskite shows huge promise as an efficient photovoltaic, but it is not favoured energetically at room temperature, meaning that the undesirable yellow phases are always present alongside it during ...

NATURE PORTFOLIO2023

Extending the pi-Conjugated System in Spiro-Type Hole Transport Material Enhances the Efficiency and Stability of Perovskite Solar Modules

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

Hole transport materials (HTMs) are a key component of perovskite solar cells (PSCs). The small molecular 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl)-amine-9,9'-spirobifluorene (spiro-OMeTAD, termed "Spiro") is the most successful HTM used in PSCs, but its ...

Wiley-VCH Verlag GmbH2023

Highly Efficient and Stable FAPbI(3) Perovskite Solar Cells and Modules Based on Exposure of the (011) Facet

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Bin Ding, Yong Ding, Xianfu Zhang

Perovskite crystal facets greatly impact the performance and stability of their corresponding photovoltaic devices. Compared to the (001) facet, the (011) facet yields better photoelectric properties, including higher conductivity and enhanced charge carri ...

SHANGHAI JIAO TONG UNIV PRESS2023