Publications related to Subphthalocyanines: Active molecules for molecular photovoltaics

Related publications (32)

Stabilization of highly efficient perovskite solar cells with a tailored supramolecular interface

Michael Graetzel, Shaik Mohammed Zakeeruddin, David Lyndon Emsley, Masaud Hassan S Almalki, Aditya Mishra, Felix Thomas Eickemeyer, Michael Allan Hope, Anurag Krishna, Zhiwen Zhou, Chenxu Zhao

The presence of defects at the interface between the perovskite film and the carrier transport layer poses significant challenges to the performance and stability of perovskite solar cells (PSCs). Addressing this issue, we introduce a dual host-guest (DHG) ...

Nature Research2024

Interfacial engineering through lead binding using crown ethers in perovskite solar cells

Jun Ho Yum, Kevin Sivula, Jiyoun Seo, Jovana Milic, Yeonju Kim

In the domain of perovskite solar cells (PSCs), the imperative to reconcile impressive photovoltaic performance with lead-related issue and environmental stability has driven innovative solutions. This study pioneers an approach that not only rectifies lea ...

Elsevier2024

Device Performance of Emerging Photovoltaic Materials (Version 5)

Mohammad Khaja Nazeeruddin

This 5th annual "Emerging PV Report" highlights the latest advancements in the performance of emerging photovoltaic (e-PV) devices across various e-PV research areas, as documented in peer-reviewed articles published since August 2023. Updated graphs, tabl ...

WILEY-V C H VERLAG GMBH2024

Development and characterization of N2O-plasma oxide layers for high-temperature p-type passivating contacts in silicon solar cells

Christophe Ballif, Aïcha Hessler-Wyser, Franz-Josef Haug, Julien Hurni, Ezgi Genç, Sofia Libraro, Audrey Marie Isabelle Morisset, David Fernando Reyes Vasquez

Full-area passivating contacts based on SiOx/poly-Si stacks are key for the new generation of industrial silicon solar cells substituting the passivated emitter and rear cell (PERC) technology. Demonstrating a potential efficiency increase of 1 to 2% compa ...

American Chemical Society (ACS)2024

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

Tailored Supramolecular Interactions in Host–Guest Complexation for Efficient and Stable Perovskite Solar Cells and Modules

Michael Graetzel, Shaik Mohammed Zakeeruddin, Mingyang Wei, Wenzhe Niu, Likai Zheng

Host-guest complexation offers a promising approach for mitigating surface defects in perovskite solar cells (PSCs). Crown ethers are the most widely used macrocyclic hosts for complexing perovskite surfaces, yet their supramolecular interactions and funct ...

Wiley-VCH Verlag GmbH2024

Carbazole Treated Waterproof Perovskite Films with Improved Solar Cell Performance

Michael Graetzel, Paul Joseph Dyson, Ursula Röthlisberger, Haizhou Lu, Felix Thomas Eickemeyer, Yeonju Kim, Jaeki Jeong, Lukas Pfeifer, Nikolaos Lempesis, Virginia Carnevali, Vladislav Slama

Surface passivation has been widely employed to suppress non-radiative charge recombination and prevent interfacial charge accumulation in perovskite photovoltaics. In this report, carbazole modified with ammonium iodide connected via alkyl chains of diffe ...

Wiley-V C H Verlag Gmbh2024

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

Reliability and Long-term Performance of Building Integrated Photovoltaic (BIPV) Modules

Ebrar Özkalay

Solar photovoltaics (PV) is one of the most competitive renewable energy technologies in order to meet the increasing global energy demand and decrease CO2 emissions by competing effectively with fossil fuels. One of the important applications of PV energy ...

EPFL2024

Foldable Hole-Transporting Materials for Merging Electronic States between Defective and Perfect Perovskite Sites

Keith Gregory Brooks, Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Kasparas Rakstys, Yi Zhang, Hiroyuki Kanda, Xiaoxin Gao, Jianxing Xia

Defective and perfect sites naturally exist within electronic semiconductors, and considerable efforts to reduce defects to improve the performance of electronic devices, especially in hybrid organic-inorganic perovskites (ABX(3)), are undertaken. Herein, ...

Wiley-V C H Verlag Gmbh2023

Influence of triphenylamine derivatives in efficient dye-sensitized/organic solar cells

Mohammad Khaja Nazeeruddin

Dye-sensitized/organic solar cells (DS/O-SCs) have gradually improved their power conversion efficiencies (PCEs) and are now being considered for commercialization. This comprehensive review focuses on a prominent class of small organic molecules called tr ...

Royal Society of Chemistry2023

Surface Passivation of FAPbI3-Rich Perovskite with Cesium Iodide Outperforms Bulk Incorporation

Michael Graetzel, Jacques-Edouard Moser, Shaik Mohammed Zakeeruddin, Mounir Driss Mensi, Jun Ho Yum, Kevin Sivula, Thomas Paul Baumeler, Essa Awadh R Alharbi, Brian Irving Carlsen, Jing Gao, George Cameron Fish, Felix Thomas Eickemeyer, Lukas Pfeifer, Georgios Kakavelakis

Metal halide perovskites (MHPs) have shown an incredible increase in efficiency, reaching as high as 25.7%, which now competes with traditional photovoltaic technologies. Herein, we excluded CsX and RbX (X = I–, Br–, Cl–), the most commonly used cations to ...

2023

Vapor Deposition of Perovskite Solar Cells

Quentin Jean-Marie Armand Guesnay

Thanks to the continuous improvement of crystalline silicon (c-Si) solar cells, largely dominating the market, photovoltaic electricity is nowadays the cheapest source of energy on the market. Yet, solar energy is far from being completely harvested, as t ...

EPFL2023

Double Layer Composite Electrode Strategy for Efficient Perovskite Solar Cells with Excellent Reverse-Bias Stability

Michael Graetzel

Perovskite solar cells (PSCs) have become the representatives of next generation of photovoltaics; nevertheless, their stability is insufficient for large scale deployment, particularly the reverse bias stability. Here, we propose a transparent conducting ...

2023

Applications of vacuum vapor deposition for perovskite solar cells: A progress review

Michael Graetzel

Metal halide perovskite solar cells (PSCs) have made substantial progress in power conversion efficiency (PCE) and stability in the past decade thanks to the advancements in perovskite deposition methodology, charge transport layer (CTL) optimization, and ...

TSINGHUA UNIV PRESS2022

In situ growth of graphene on both sides of a Cu-Ni alloy electrode for perovskite solar cells with improved stability

Michael Graetzel

The instability of rear electrodes undermines the long-term operational durability of efficient perovskite solar cells. Here, a composite electrode of copper-nickel (Cu-Ni) alloy stabilized by in situ grown bifacial graphene is designed. The alloying makes ...

NATURE PORTFOLIO2022

High-Performance Flexible All-Perovskite Tandem Solar Cells with Reduced V-OC-Deficit in Wide-Bandgap Subcell

Quentin Thomas Jeangros, Fan Fu, Xin Yu Chin

Among various types of perovskite-based tandem solar cells (TSCs), all-perovskite TSCs are of particular attractiveness for building- and vehicle-integrated photovoltaics, or space energy areas as they can be fabricated on flexible and lightweight substrat ...

WILEY-V C H VERLAG GMBH2022

In Situ Reflectometry and Diffraction Investigation of the Multiscale Structure of p-Type Polysilicon Passivating Contacts for c-Si Solar Cells

Christophe Ballif, Franz-Josef Haug, Andrea Ingenito, Audrey Marie Isabelle Morisset

The integration of passivating contacts based on a highly doped polycrystalline silicon (poly-Si) layer on top of a thin silicon oxide (SiOx) layer has been identified as the next step to further increase the conversion efficiency of current mainstream cry ...

AMER CHEMICAL SOC2022

Highly Efficient and Stable 2D Dion Jacobson/3D Perovskite Heterojunction Solar Cells

Mohammad Khaja Nazeeruddin

Heterostructures involving two-dimensional/three-dimensional (2D/3D) perovskites have recently attracted increased attention due to their ability to combine the high photovoltaic performance of 3D perovskites with the increased stability of 2D perovskites. ...

AMER CHEMICAL SOC2022

Efficient Solid-State Electrolytes Based on Aryl-Modified Imidazolium Ionic Crystals for Quantum Dot-Sensitized Solar Cells

Paul Joseph Dyson, Zhaofu Fei

Cost-effective solid-state electrolytes with improved conductivity and device performances have received much research interest in (photo)-electrochemical cells, including solar cells, secondary batteries, and so on. In this work, a series of organic ionic ...

AMER CHEMICAL SOC2021