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

Publications associées (14)

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

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

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

Study of single molecule phenomena in plasmonic nanocavitites

Sachin Suresh Verlekar

The central aim of this thesis is to investigate single molecule phenomena in self-assembled plasmonic nanocavities, focusing on achieving single molecule sensitivity within these highly confined electromagnetic environments. While self-assembled nanocavit ...

EPFL2025

Phase formation and texture evolution in 316L-CuCrZr multi-material structures fabricated by laser powder bed fusion

Christian Leinenbach, Johann Michler, Antonios Nikolaos Baganis

Steel-copper multi-material structures produced via Additive Manufacturing pose challenges in laser co-processing and microstructural control. This work employs neutron imaging, Electron Backscatter Diffraction (EBSD), and Energy Dispersive Spectroscopy (E ...

2025

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

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

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

ZnO nanostructures - Future frontiers in photocatalysis, solar cells, sensing, supercapacitor, fingerprint technologies, toxicity, and clinical diagnostics

Mohammad Khaja Nazeeruddin

Zinc is the most abundant and broadly studied metal oxide semiconductor. Its photophysical properties include optical, electrical, magnetic, catalytic, sensing, energy storage, antibacterial, anti-oxidant, and drug delivery applications have been extensive ...

ELSEVIER SCIENCE SA2024

Meta-Substituted Asymmetric Azobenzenes: Insights into Structure-Property Relationship

Tatiana Antonova Pachova, Giuseppe Sforazzini

This article presents a comprehensive investigation into the functionalization of methoxyphenylazobenzene using electron-directing groups located at the meta position relative to the azo group. Spectroscopic analysis of meta-functionalized azobenzenes reve ...

MDPI2024

On the Features and Performances of Converters in Hybrid AC/DC Microgrids

Jules Christian Georges Macé

From hydropower to wind power, renewable energy is converted to electricity, putting the electric grid at the crossroads of the green energy generation and consumption. The grid must also adapt and scale up to an increased capacity and to the stochastic na ...

EPFL2024

A universal ligand for lead coordination and tailored crystal growth in perovskite solar cells

Ulf Anders Hagfeldt, Bowen Yang, Jiajia Suo

Chemical environment and precursor-coordinating molecular interactions within a perovskite precursor solution can lead to important implications in structural defects and crystallization kinetics of a perovskite film. Thus, the opto-electronic quality of s ...

Royal Soc Chemistry2024

Structural phase transition in NH₄F under extreme pressure conditions

Richard Gaal

Ammonium fluoride (NH₄F) exhibits a variety of crystalline phases depending on temperature and pressure. By employing Raman spectroscopy and synchrotron X-ray diffraction beyond megabar pressures (up to 140 GPa), we have here observed a novel dense solid p ...

2024

Broad-Spectrum Supramolecularly Reloadable Antimicrobial Coatings

Alexander Lukas Müller, Inês Cordeiro Filipe, Francesco Stellacci, Matteo Gasbarri, Heyun Wang, Francesca Olgiati, Melis Özkan, Lukasz Richter, Nicolo' Razza, Louisa Rinaldi, Fiora Artusio

Antimicrobial surfaces limit the spread of infectious diseases. To date, there is no antimicrobial coating that has widespread use because of short-lived and limited spectrum efficacy, poor resistance to organic material, and/or cost. Here, we present a pa ...

Amer Chemical Soc2024