Publications related to Identifying the Trade-off between Intramolecular Singlet Fission Requirements in Donor-Acceptor Copolymers

Related publications (15)

Indium and Silver Recovery from Perovskite Thin Film Solar Cell Waste by Means of Nanofiltration

Due to minimal material use and low-cost processing, next-generation thin film solar cells represent a promising alternative to traditional crystalline silicon solar cells. Among these, metal-halide perovskite solar cells have seen significant improvements ...

American Chemical Society (ACS)2025

Kilowatt-scale solar hydrogen production system using a concentrated integrated photoelectrochemical device

Sophia Haussener, Saurabh Yuvraj Tembhurne, Clemens Gregor Suter, Isaac Thomas Holmes-Gentle

The production of synthetic fuels and chemicals from solar energy and abundant reagents offers a promising pathway to a sustainable fuel economy and chemical industry. For the production of hydrogen, photoelectrochemical or integrated photovoltaic and elec ...

2023

Hydrogel Electrolytes Based on Xanthan Gum: Green Route towards Stable Dye-Sensitized Solar Cells

The investigation of innovative electrolytes based on nontoxic and nonflammable solvents is an up-to-date, intriguing challenge to push forward the environmental sustainability of dye-sensitized solar cells (DSSCs). Water is one of the best choices, thus 1 ...

MDPI2020

Gradient band structure: high performance perovskite solar cells using poly(bisphenol A anhydride-co-1,3-phenylenediamine)

Mohammad Khaja Nazeeruddin, Hiroyuki Kanda, Sanghyun Paek, Cristina Roldán Carmona, Aron Joel Huckaba, Albertus Adrian Sutanto, Hobeom Kim, Maria Cristina Momblona Rincón, Nadja Isabelle Desiree Klipfel, Mousa Abdulla M E Abuhelaiqa

Surface passivation is a critical factor for improving the photovoltaic performance of perovskite solar cells. However, more robust principle investigations are required to build effective passivation strategies enabling high-performance perovskite solar c ...

Royal Society of Chemistry2020

Indeno[1,2-b]carbazole as Methoxy-Free Donor Group: Constructing Efficient and Stable Hole-Transporting Materials for Perovskite Solar Cells

Ulf Anders Hagfeldt, Zhe Sun, Jialin Wang

With perovskite-based solar cells (PSCs) now reaching efficiencies of greater than 20 %, the stability of PSC devices has become a critical challenge for commercialization. However, most efficient hole-transporting materials (HTMs) thus far still rely on t ...

Wiley-VCH Verlag GmbH2019

Synthesis and characterization of fluorinated anatase nanoparticles and subsequent N-doping for efficient visible light activated photocatalysis

Paul Bowen, Sami Rtimi, Irena Markovic

Fluorinated-titanium dioxide (TiO2-F) nanoparticles in a pure anatase polymorph was precipitated from solution by hydrolysis of titanium oxychloride, using urea and ammonia as precipitation agents and potassium fluoride as a source of fluorine anion. A fur ...

2018

Time resolved diffuse reflectance spectroscopy on high efficient dye- and semiconductor- sensitized solar cells under operational condition

Elham Ghadiri

EPFL2014

Highly soluble energy relay dyes for dye-sensitized solar cells

Michael Graetzel, Jun Ho Yum

High solubility is a requirement for energy relay dyes (ERDs) to absorb a large portion of incident light and significantly improve the efficiency of dye-sensitized solar cells (DSSCs). Two benzonitrile-soluble ERDs, BL302 and BL315, were synthesized, char ...

Royal Society of Chemistry2013

Semiconductor electrode comprising a blocking layer

Michael Graetzel, Mohammad Khaja Nazeeruddin, Aravind Kumar Chandiran

The present invention provides a porous semiconductor electrode passivated by way of a layer applied by an atomic layer deposition (ALD) process. The semiconductor electrode can be advantageously used in dye-sensitized solar cells (DSCs) having increase op ...

2013

Theoretical investigation of the C-60/copper phthalocyanine organic photovoltaic heterojunction

Efthimios Kaxiras, Sheng Meng, Jun Ren

Molecular heterojunctions, such as the one based on copper phthalocyanine (CuPc) and carbon fullerene (C-60) molecules, are commonly employed in organic photovoltaic cells as electron donor-acceptor pairs. We have investigated the different atomic structur ...

2012

Fine-tuning the Electronic Structure of Organic Dyes for Dye-Sensitized Solar Cells

Michael Graetzel, Mohammad Khaja Nazeeruddin, Peng Gao, Peng Gao, Hoi Nok Tsao

A series of metal-free organic dyes exploiting different combinations of (hetero)cyclic linkers (benzene, thiophene, and thiazole) and bridges (4H-cyclopenta[2,1-b:3,4-b']dithiophene (CPDT) and benzodithiophene (BDT)) as the central pi-spacers were synthes ...

American Chemical Society2012

NANO-IMPRINT TECHNIQUE FOR BACK REFLECTOR IN HIGH EFFICIENCY N-I-P THIN FILM SILICON SOLAR CELLS

Christophe Ballif, Franz-Josef Haug, Karin Söderström, Jordi Escarre Palou, Rémi Biron, Céline Pahud

In this contribution, the replication of nano-textures enhancing the short circuit current of thin film silicon solar cells onto low cost substrates (glass or PolyEthylene Naphtalate (PEN)) is studied. Optical and morphological analysis is performed to ass ...

2010

Fabrication and performance of a monolithic dye-sensitized TiO2/Cu(In,Ga)Se2 thin film tandem solar cell

Michael Graetzel, Sophie Wenger

Tandem solar cells using different bandgap absorbers allow efﬁcient photovoltaic conversion in a wide range of the solar spectrum. The optical gaps of the dye-sensitized solar cell and the Cu(In,Ga)Se2 solar cell are ideal for application in double-junctio ...

AIP American Institute of Physics2009

Light trapping effects in thin film silicon solar cells

Christophe Ballif, Franz-Josef Haug

We present advanced light trapping concepts for thin film silicon solar cells. When an amorphous and a microcrystalline absorber layers are combined into a micromorph tandem cell, light trapping becomes a challenge because it should combine the spectral re ...

2009

Molecular Engineering of Organic Sensitizers for Solar Cell Applications

Michael Graetzel, Mohammad Khaja Nazeeruddin, Sun Hee Kim, Jun Ho Yum, Davide Di Censo

2006