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Publications associées (30)

Methylamine Gas Treatment Affords Improving Semitransparency, Efficiency, and Stability of CH3NH3PbBr3-Based Perovskite Solar Cells

Michael Graetzel, Hongwei Zhu

High bandgap semitransparent solar cells based on CH3NH3PbBr3 perovskites are attractive for building integration, tandem cells, and electrochemical applications. The lack of control of the CH3NH3PbBr3 perovskite growth limit the exploitation of CH3NH3PbBr ...

WILEY-V C H VERLAG GMBH2021

Bi-functional interfaces by poly(ionic liquid) treatment in efficient pin and nip perovskite solar cells

Mohammad Khaja Nazeeruddin, Antonio Abate, Giulia Grancini, Albertus Adrian Sutanto, Christian Michael Wolff

Approaches to boost the efficiency and stability of perovskite solar cells often address one singular problem in a specific device configuration. In this work, we utilize a poly(ionic liquid) (PIL) to introduce a multi-functional interlayer to improve the ...

ROYAL SOC CHEMISTRY2021

Formation of High-Performance Multi-Cation Halide Perovskites Photovoltaics by delta-CsPbI3/delta-RbPbI3 Seed-Assisted Heterogeneous Nucleation

Michael Graetzel, Shaik Mohammed Zakeeruddin, Ulf Anders Hagfeldt, Mounir Driss Mensi, Felix Thomas Eickemeyer, Bowen Yang, Linfeng Pan, Zaiwei Wang, Anurag Krishna, Essa Awadh R Alharbi, Thomas Paul Baumeler, Masaud Hassan S Almalki, Olivier Ouellette

The performance of perovskite solar cells is highly dependent on the fabrication method; thus, controlling the growth mechanism of perovskite crystals is a promising way towards increasing their efficiency and stability. Herein, a multi-cation halide compo ...

2021

SnO2/TiO2 Electron Transporting Bilayers: A Route to Light Stable Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Mousa Abdulla M E Abuhelaiqa

Perovskite solar cells have driven a paradigm shift in the research domain of photovoltaics. Although the field has progressed tremendously, device stability holds back further progress and application to the market. In this work, we aim to gain insights i ...

2021

Parallel PV Configuration with Magnetic-Free Switched Capacitor Module-Level Converters for Partial Shading Conditions

Elison de Nazareth Matioli, Remco Franciscus Peter van Erp, Georgios Kampitsis

In this paper, a module-level photovoltaic (PV) architecture in parallel configuration is introduced for maximum power extraction, under partial shading (PS) conditions. For the first time, a non-regulated switched capacitor (SC) nX converter is a used at ...

2021

Hydrogen-based electricity storage optimization on buildings by coupling thermal and photovoltaic electricity production towards carbon neutrality

Sergi Aguacil Moreno, Philippe Couty

Self-sufficiency (SS) of buildings with low greenhouse gas (GHG) emissions can be obtained using photovoltaics (PV). To maximize self-consumption - minimizing the import of grid electricity - PV can be coupled with a hydrogen storage system converting the ...

2021

Quantification of existing rooftop PV hourly generation capacity and validation against measurement data

Jean-Louis Scartezzini, Roberto Castello, Alina Ursula Rosa Walch

The spatio-temporal patterns of the existing rooftop photovoltaic (PV) production can provide valuable insights for the design of effective strategies for PV integration at large scale. In this work, we quantify the hourly production of existing rooftop PV ...

IOP PUBLISHING LTD2021

The emergence of concentrator photovoltaics for perovskite solar cells

Mohammad Khaja Nazeeruddin

The emergence of high-efficiency photovoltaic research is undergoing intense study and is technologically desirable to meet sustainable energy and environmental demand. However, every single solar cell has a theoretical power conversion efficiency limit, a ...

AIP Publishing2021

Electrical Losses Mitigation in Silicon Heterojunction Solar Cells

Laurie-Lou Senaud

To overcome the worldwide challenges of climate change, photovoltaics is foreseen to play a significant role in the world electricity production. Nowadays, single junction crystalline silicon (c-Si) based solar cells hold the largest share of the global ph ...

EPFL2021

Performance of lightweight and heavyweight building walls with naturally ventilated passive and active facades

Dolaana Khovalyg, Mohammad Rahiminejad

Well-designed ventilated air-spaces behind external claddings in the building envelope can potentially reduce thermal energy flow in the entire wall structure. In this study, the impact of the dynamic thermo-hydraulic behavior of the flow in the naturally ...

2021