Publications associées à Assembling a Photoactive 2D Puzzle: From Bulk Powder to Large- Area Films of Semiconducting Transition-Metal Dichalcogenide Nanosheets

Publications associées (14)

Synthesis and characterization of low-dimensional organic-inorganic perovskites for detection and photovoltaic applications

Low-dimensional perovskite such as layered halide perovskite and perovskite nanocrystals have attracted attention in the past decade. These materials have impressive optoelectronic properties such as high photoluminescence and improved stability relative t ...

EPFL2025

Self-Aligned Silica Nanoparticle Rear Reflectors for Single-Junction Si and Perovskite-Si Tandem Solar Cells

Christophe Ballif, Christian Michael Wolff, Kerem Artuk, Deniz Türkay

Infrared light management is crucial to maximize the optical performance of crystalline Si-based single junction and tandem solar cells. For this end, a low refractive index dielectric is typically inserted under the rear metal and an electrical contact is ...

2025

Versatile self-assembled monolayers for perovskite-based optoelectronic devices

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Shun Tian, 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

Charged Adsorbates on Metallic Surfaces from Periodic to Open Boundary Conditions

Nicola Marzari, Nicéphore Arthur François Bonnet

Understanding the thermodynamics of adsorbates on surfaces is central to many (electro)catalysis applications. In first-principles calculations, additional challenges arise when considering charged adsorbates owing to long-range electrostatic interactions ...

American Chemical Society (ACS)2025

Advanced Dual-Channel Gate Driver with Short-circuit Protection for Series Connected Medium-Voltage SiC MOSFETs

Drazen Dujic, Rui Wang

The dual-channel gate driver (D-GD) is widely employed in the industry to support the extensive adoption of half-bridge power modules. With the growing popularity of silicon-carbide (SiC) devices in medium-voltage scenarios known for their superior switchi ...

Institute of Electrical and Electronics Engineers (IEEE)2025

Lattice bond chains administer kink anisotropy and inform strategies of theophylline crystal self-healing

Georg Fantner

How molecular-level understanding of the crystal growth mechanisms and their relation to lattice bonds informs the rational design of crystals with desired shapes and properties has remained elusive. Here we employ theophylline crystals and drive them into ...

2025

p-NiO/LiNiO-GaN heterojunctions: a potential alternative to p-GaN for advanced devices

Elison de Nazareth Matioli, Mounir Driss Mensi, Alessandro Floriduz, Yuan Zong, Zheng Hao, Uiho Choi

In this work, we introduce a p-NiO/LiNiO stack grown via low-temperature deposition processes, offering an effective alternative for creating localized p-type regions in GaN devices. This stack combines a high hole concentration p-NiO film ([h] = 2 × 1019 ...

Institute of Electrical and Electronics Engineers2025

Indirect Excitons and Many-body Interactions in Ingaas Double Quantum Wells

Fauzia Jabeen

Spatially indirect excitons in semiconductor quantum wells are relevant to basic research and device applications because they exhibit enhanced tunability, delocalized wave functions, and potentially longer lifetimes relative to direct excitons. Here we in ...

AMER PHYSICAL SOC2025

Quantifying Recombination and Charge Carrier Extraction in Halide Perovskites Via Hyperspectral Time-resolved Photoluminescence Imaging

Anurag Krishna

Identifying sources of nonradiative recombination and quantifying charge carrier extraction in halide perovskite solar cells are important in further developing this thin-film technology. Steady-state and time-resolved photoluminescence (TRPL), in combinat ...

AIP Publishing2024

Spatial Conformation Engineering of Aromatic Ketones for Highly Efficient and Stable Perovskite Solar Cells

Minhuan Wang, Michael Graetzel, Shaik Mohammed Zakeeruddin, Likai Zheng, Xiaoqing Jiang

Carbonyl-containing materials employed in state-of-the-art hybrid lead halide perovskite solar cells (PSCs) exhibit a strong structure-dependent electron donor effect that predominates in defect passivation. However, the impact of the molecular spatial con ...

AMER CHEMICAL SOC2024

Highly dispersed nanomaterials in polymer matrix via aerosol-jet-based multi-material 3D printing

Michael James Henry Smith

Polymer-based nanocomposites emerged in the 1960s as a groundbreaking approach to advanced materials. By incorporating robust, durable, and multifunctional nanomaterials into a polymer matrix, the performance of nanocomposites has significantly surpassed t ...

Elsevier2024

Synergetic substrate and additive engineering for over 30%-efficient perovskite-Si tandem solar cells

Christophe Ballif, Mathieu Gérard Boccard, Quentin Thomas Jeangros, Mounir Driss Mensi, Christian Michael Wolff, Kerem Artuk, Deniz Türkay, Daniel Anthony Jacobs, Xin Yu Chin

Perovskite-silicon (Si) tandem solar cells are the most prominent contenders to succeed single-junction Si cells that dominate the market today. Yet, to justify the added cost of inserting a perovskite cell on top of Si, these devices should first exhibit ...

2024

Fiber-Reinforced Equibiaxial Dielectric Elastomer Actuator for Out-of-Plane Displacement

Yves Perriard, Yoan René Cyrille Civet, Thomas Guillaume Martinez, Stefania Maria Aliki Konstantinidi, Simon Holzer

Dielectric elastomer actuators (DEAs) have gained significant attention due to their potential in soft robotics and adaptive structures. However, their performance is often limited by their in-plane strain distribution and limited mechanical stability. We ...

MDPI AG2024

Observation of a Plastic Crystal in Water-Ammonia Mixtures under High Pressure and Temperature

Livia Eleonora Bove Kado

Solid mixtures of ammonia and water, the so-called ammonia hydrates, are thought to be major components of solar and extra-solar icy planets. We present here a thorough characterization of the recently reported high pressure (P)-temperature (T) phase VII o ...

AMER CHEMICAL SOC2023