Publications related to Interfacial Charge Transfer Dynamics in Solid-State Hybrid Organic-Inorganic Solar Cells

Related publications (19)

Development of novel orange colored photovoltaic modules with improved angular stability and high energy efficiency

Andreas Schueler, Anna Krammer, Jérémy Jacques Antonin Fleury, Maxime Lagier, Krishna Manwani

This work illustrates a novel approach for the development of orange multilayer interference coatings with improved angular stability of color while maximizing energy efficiency. The high energy efficiency of these interference coatings is based on thin fi ...

2024

Compositional and interfacial optimization for enhancement of perovskite solar cells performance

Essa Awadh R Alharbi

Non-renewable sources are responsible for most of the overall greenhouse gas emissions, the development of sustainable energy sources is of prime importance to mitigate the negative effects of climate change. Among renewable sources, solar energy is one of ...

EPFL2022

Photoelectrochemical Oxygen Evolution on Mesoporous Hematite Films Prepared from Maghemite Nanoparticles

Michael Graetzel, Shaik Mohammed Zakeeruddin

Iron oxides, especially hematite (alpha-Fe2O3), a are promising materials for applications in photoelectrochemical cells and photo-redox catalysis. However, realizing high-performance hematite photoanodes via an environmentally-friendly route remains a gre ...

2022

Highly Planar Benzodipyrrole-Based Hole Transporting Materials with Passivation Effect for Efficient Perovskite Solar Cells

Mohammad Khaja Nazeeruddin, Mounir Driss Mensi, Hiroyuki Kanda, Albertus Adrian Sutanto, Hobeom Kim, Cansu Igci

Three benzodipyrrole (BDP)-based organic small molecules with substituted 4-methoxyphenyl (CB-1), 3-fluorophenyl (CB-2), and 3-trifluoromethylphenyl (CB-3) are designed, synthesized, and used as a hole-transporting material (HTM) for perovskite solar cells ...

WILEY-V C H VERLAG GMBH2021

Controlling PbI2 Stoichiometry during Synthesis to Improve the Performance of Perovskite Photovoltaics

Mohammad Khaja Nazeeruddin, Tom Theodorus Antonius Lummen

Over the past decade, remarkable progress has advanced the field of perovskite solar cells to the forefront of thin film solar technologies. The stoichiometry of the perovskite material is of paramount importance as it determines the optoelectronic propert ...

2021

Dynamic Thermal Performance of the BIPV Facades

Dolaana Khovalyg, Mohammad Rahiminejad

Building-integrated photovoltaics (BIPV), generally integrated on the roofs, are more and more often installed on the facade as a result of a growing need in renewable energy generating surfaces. This allows maximizing the use of the building surfaces to g ...

AMER SOC HEATING, REFRIGERATING AND AIR-CONDITIONING ENGS2021

Rotated domains in selective area epitaxy grown Zn3P2: formation mechanism and functionality

Anna Fontcuberta i Morral, Jean-Baptiste Leran, Simon Robert Escobar Steinvall, Mahdi Zamani, Elias Zsolt Stutz, Rajrupa Paul

Zinc phosphide (Zn3P2) is an ideal absorber candidate for solar cells thanks to its direct bandgap, earth-abundance, and optoelectronic characteristics, albeit it has been insufficiently investigated due to limitations in the fabrication of high-quality ma ...

ROYAL SOC CHEMISTRY2021

Lead Sequestration from Perovskite Solar Cells Using a Metal-Organic Framework Polymer Composite

Mohammad Khaja Nazeeruddin, Yi Zhang, Wendy Lee Queen, Tom Theodorus Antonius Lummen, Mounir Driss Mensi, Aron Joel Huckaba, Daniel Teav Sun, Albertus Adrian Sutanto, Florian Berczy, Michael Gullberg

Perovskite solar cells (PSCs) have increased in power conversion efficiency in the last 10 years, from approximate to 3% to now over 25%. While the best perovskite photovoltaics have remarkable efficiencies, the Pb-based absorber is likely problematic for ...

2020

Highly efficient and rapid manufactured perovskite solar cells via Flash InfraRed Annealing

Ulf Anders Hagfeldt, Michael Saliba, Sandy Sanchez Alonso

This work unveils how to quickly manufacture highly efficient and stable perovskite solar cells (PSCs) using the Flash InfraRed Annealing (FIRA) method. With FIRA, the titanium oxide mesoscopic layer can be synthesized in only 10 min, and the synthesis of ...

2020

Dual effect of humidity on cesium lead bromide: enhancement and degradation of perovskite films

Michael Graetzel, Mohammad Ibrahim Dar, Simone Meloni

CsPbBr3 perovskite is highly desired to fabricate many optoelectronic devices: high photovoltage solar cells, tandem solar cells, light-emitting diodes, lasers, photodetectors, field effect transistors etc. However, to realize these applications, resistanc ...

Royal Society of Chemistry2019

Microchannel contacting of crystalline silicon solar cells

Monica Morales Masis, Stephanie Essig

There is tremendous interest in reducing losses caused by the metal contacts in silicon photovoltaics, particularly the optical and resistive losses of the front metal grid. One commonly sought-after goal is the creation of high aspect-ratio metal fingers ...

Nature Research2017

Solar conversion of CO2 to CO using Earth-abundant electrocatalysts prepared by atomic layer modification of CuO

Jeremy Luterbacher, Jingshan Luo, Florent Emmanuel Héroguel, Matthew Thomas Mayer, Marcel Roland Schreier, Ludmilla Steier

The solar-driven electrochemical reduction of CO2 to fuels and chemicals provides a promising way for closing the anthropogenic carbon cycle. However, the lack of selective and Earth-abundant catalysts able to achieve the desired transformation reactions i ...

Nature Publishing Group2017

Synthesis and optoelectronic properties of chemically modified bi-fluorenylidenes

Michael Graetzel, Shaik Mohammed Zakeeruddin, Robin Humphry-Baker, Jacques-Edouard Moser, Magdalena Anna Marszalek, Mateusz Barnaba Wielopolski

The development of new light harvesting materials is a key issue for the progress of the research on organic & hybrid photovoltaics. Here, we report a new class of organic sensitizers based on the bi-fluorenylidene moiety as p-linker within the donor–p-lin ...

Royal Society of Chemistry2016

Insight into D-A-pi-A Structured Sensitizers: A Promising Route to Highly Efficient and Stable Dye-Sensitized Solar Cells

Michael Graetzel, Shaik Mohammed Zakeeruddin

The dye-sensitized solar cell (DSSC) is one of the Most promising photovoltaic technologies with potential of low cost, light weight, and good flexibility. The practical application of DSSCs requires further improvement in power conversion efficiency and l ...

Amer Chemical Soc2015

Adapting Ruthenium Sensitizers to Cobalt Electrolyte Systems

Michael Graetzel, Mohammad Khaja Nazeeruddin, Aravind Kumar Chandiran

In this work, we report the use of bulky substitutions in a new heteroleptic ruthenium(II) bipyridine complex, Ru(NCS)(2)LL', coded TT-230 to obtain high open-circuit potential in a dye-sensitized solar cell (where L is a bipyridine ligand appended with tw ...

Amer Chemical Soc2014

Perovskite solar cells employing organic charge-transport layers

Michael Graetzel, Mohammad Khaja Nazeeruddin, Aswani Yella, Yonghui Lee

Thin-film photovoltaics play an important role in the quest for clean renewable energy. Recently, methylammonium lead halide perovskites were identified as promising absorbers for solar cells(1). In the three years since, the performance of perovskite-base ...

Nature Publishing Group2014

Regeneration and recombination kinetics in cobalt polypyridine based dye-sensitized solar cells, explained using Marcus theory

Michael Graetzel, Mohammad Khaja Nazeeruddin, Ulf Anders Hagfeldt

Regeneration and recombination kinetics was investigated for dye-sensitized solar cells (DSCs) using a series of different cobalt polypyridine redox couples, with redox potentials ranging between 0.34 and 1.20 V vs. NHE. Marcus theory was applied to explai ...

Royal Society of Chemistry2013

Sub-picosecond delocalization in the excited state of conjugated homopolymers and donor–acceptor copolymers

Natalie Renuka Banerji

In this feature article, we review and examine evidence that the primary photoexcited species in conjugated polymers is considerably delocalized. Localization occurs via a series of complex relaxation mechanisms on the

Royal Society of Chemistry2013

Temperature-Dependent Ordering Phenomena of a Polyiodide System in a Redox-Active Ionic Liquid

Michael Graetzel, Shaik Mohammed Zakeeruddin, Jacques-Edouard Moser, Jan Cornelius Brauer

Iodine added to iodide-based ionic liquids leads to dramatic changes of their physical properties which may have implications for technological applications. Here we study the phase diagram of 1-methyl 3-propylimidazolium iodide, the temperature versus iod ...

2012