Mats Fahlman
YOU?
Author Swipe
View article: Autonomous aqueous H <sub>2</sub> O <sub>2</sub> production with a carboxylate-functionalized polythiophene
Autonomous aqueous H <sub>2</sub> O <sub>2</sub> production with a carboxylate-functionalized polythiophene Open
A functionalized polythiophene autonomously produced ∼1 × 10 −4 mol H 2 O 2 per g polymer (18% doping level) in aqueous O 2 solutions via ORR. This work opens new applications driven by this process and elucidates degradation mechanisms in…
View article: Deciphering conductivity in PEDOT guided by machine learning: From solvent baths to charge paths
Deciphering conductivity in PEDOT guided by machine learning: From solvent baths to charge paths Open
PEDOT:Tos is a promising conducting polymer for electronic and bioelectronic applications, yet its charge transport is affected by various factors and remains challenging to optimize. This study investigates the impact of solvent posttreat…
View article: Electrochemical Deoxygenation Electrolyzers Using an Organic Catalyst
Electrochemical Deoxygenation Electrolyzers Using an Organic Catalyst Open
An efficient oxygen reduction reaction (ORR) is crucial for deoxygenation electrolyzers. However, the use of metal catalysts in electrolyzer designs is challenging due to their high cost, catalyst dissolution, and susceptibility to poisoni…
View article: Preventing Benzoquinone‐Based Catalyst Aggregation Enables the One‐Step Synthesis of Highly Conductive Poly(benzodifurandione) without Post‐Reaction Purification
Preventing Benzoquinone‐Based Catalyst Aggregation Enables the One‐Step Synthesis of Highly Conductive Poly(benzodifurandione) without Post‐Reaction Purification Open
Conductive polymers have become crucial in advancing various electronic applications. While p‐type materials like poly(3,4‐ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) are widely used and produced at scale, the development of …
View article: Magnetic hysteresis control in thin film Fe/Si multilayers by incorporation of B4C
Magnetic hysteresis control in thin film Fe/Si multilayers by incorporation of B4C Open
Magnetic hysteresis properties in Fe/Si multilayers have been studied as a function of the B4C content to control magnetization amplitude, coercivity, and hysteresis tilt, properties that are beneficial to tune for advancing applications i…
View article: Fermi Level Shifts of Organic Semiconductor Films in Ambient Air
Fermi Level Shifts of Organic Semiconductor Films in Ambient Air Open
Here, the Fermi level (EF) shifts of several donor and acceptor materials in different atmospheres are systematically studied by following the work function (WF) changes with Kelvin probe measurements, ultraviolet photoelectron spectroscop…
View article: Decoupling Conductivity, Heterogeneous Electron Transfer Rate, and Diffusion in Organic Molecular Electrocatalysis: Oxygen Reduction Reaction on Poly(3,4‐ethylenedioxythiophene)
Decoupling Conductivity, Heterogeneous Electron Transfer Rate, and Diffusion in Organic Molecular Electrocatalysis: Oxygen Reduction Reaction on Poly(3,4‐ethylenedioxythiophene) Open
The electrified production of hydrogen peroxide (H 2 O 2 ) by oxygen reduction reaction (ORR) is attractive to increase the sustainability of chemical industry. Here the same chains of intrinsically conductive polymer, poly(3,4‐ethylenedio…
View article: Effects of Alkyl Spacer Length in Carbazole‐Based Self‐Assembled Monolayer Materials on Molecular Conformation and Organic Solar Cell Performance
Effects of Alkyl Spacer Length in Carbazole‐Based Self‐Assembled Monolayer Materials on Molecular Conformation and Organic Solar Cell Performance Open
Carbazole‐based self‐assembled monolayer (SAM) materials as hole transport layers (HTL) have led organic solar cells (OSCs) to state‐of‐the‐art photovoltaic performance. Nonetheless, the impact of the alkyl spacer length of SAMs remains in…
View article: The Role of Thermally Activated Charge Separation in Organic Solar Cells
The Role of Thermally Activated Charge Separation in Organic Solar Cells Open
In recent years, organic solar cells (OSCs) have shown high power efficiencies approaching 20%. However, the fundamental mechanisms of charge separation in these highly efficient devices have been a subject of intensive debates. Here, the …
View article: Stress-assisted clustering-triggered emission of cellulose- based materials
Stress-assisted clustering-triggered emission of cellulose- based materials Open
Cellulose-based materials can be classified as non-conventional luminogens that produce photoluminescence (PL) in the visible range due to specific intermolecular arrangements. Usually such an arrangement is referred to as clusterization. …
View article: Aging Ni(OH)<sub>2</sub> on 3C-SiC Photoanodes to Achieve a High Photovoltage of 1.1 V and Enhanced Stability for Solar Water Splitting in Strongly Alkaline Solutions
Aging Ni(OH)<sub>2</sub> on 3C-SiC Photoanodes to Achieve a High Photovoltage of 1.1 V and Enhanced Stability for Solar Water Splitting in Strongly Alkaline Solutions Open
Photoelectrochemical (PEC) water splitting is a promising approach to directly convert solar energy to renewable and storable hydrogen. However, the very low photovoltage and serious corrosion of semiconductor photoelectrodes in strongly a…
View article: A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells
A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells Open
Transparent electrodes (TEs) are vital in optoelectronic devices, enabling the interaction of light and charges. While indium tin oxide (ITO) has traditionally served as a benchmark TE, its high cost prompts the exploration of alternatives…
View article: A Highly Conductive <i>n</i>-Type Conjugated Polymer Synthesized in Water
A Highly Conductive <i>n</i>-Type Conjugated Polymer Synthesized in Water Open
Poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) is a benchmark hole-transporting (p-type) polymer that finds applications in diverse electronic devices. Most of its success is due to its facile synthesis in water, excep…
View article: On‐Demand Catalysed n‐Doping of Organic Semiconductors
On‐Demand Catalysed n‐Doping of Organic Semiconductors Open
A new approach to control the n‐doping reaction of organic semiconductors is reported using surface‐functionalized gold nanoparticles (f‐AuNPs) with alkylthiols acting as the catalyst only upon mild thermal activation. To demonstrate the v…
View article: On‐Demand Catalysed n‐Doping of Organic Semiconductors
On‐Demand Catalysed n‐Doping of Organic Semiconductors Open
A new approach to control the n‐doping reaction of organic semiconductors is reported using surface‐functionalized gold nanoparticles (f‐AuNPs) with alkylthiols acting as the catalyst only upon mild thermal activation. To demonstrate the v…
View article: Photocatalytic doping of organic semiconductors
Photocatalytic doping of organic semiconductors Open
Chemical doping is an important approach to manipulating charge-carrier concentration and transport in organic semiconductors (OSCs) 1–3 and ultimately enhances device performance 4–7 . However, conventional doping strategies often rely on…
View article: Mapping Uncharted Lead-Free Halide Perovskites and Related Low-Dimensional Structures
Mapping Uncharted Lead-Free Halide Perovskites and Related Low-Dimensional Structures Open
Research on perovskites has grown exponentially in the past decade due to the potential of methyl ammonium lead iodide in photovoltaics. Although these devices have achieved remarkable and competitive power conversion efficiency, concerns …
View article: Spin Centers in Vanadium-Doped Cs<sub>2</sub>NaInCl<sub>6</sub> Halide Double Perovskites
Spin Centers in Vanadium-Doped Cs<sub>2</sub>NaInCl<sub>6</sub> Halide Double Perovskites Open
We provide direct evidence for a spin-active V4+ defect center, likely in the form of a VO2+ complex, predominantly introduced in single crystals of vanadium-doped Cs2NaInCl6 halide double perovskites grown by the solution-processed hydrot…
View article: Photoluminescence quantum yield of carbon dots: emission due to multiple centers <i>versus</i> excitonic emission
Photoluminescence quantum yield of carbon dots: emission due to multiple centers <i>versus</i> excitonic emission Open
Photoluminescence quantum yield and solvatochromism of carbon dots greatly depend on their emission mechanism, either excitonic non-tunable with single-exponent decay or clustering-triggered tunable emission with multi-exponent decay.
View article: Ground-state electron transfer in all-polymer donor:acceptor blends enables aqueous processing of water-insoluble conjugated polymers
Ground-state electron transfer in all-polymer donor:acceptor blends enables aqueous processing of water-insoluble conjugated polymers Open
Water-based conductive inks are vital for the sustainable manufacturing and widespread adoption of organic electronic devices. Traditional methods to produce waterborne conductive polymers involve modifying their backbone with hydrophilic …
View article: Switchable Broadband Terahertz Absorbers Based on Conducting Polymer‐Cellulose Aerogels
Switchable Broadband Terahertz Absorbers Based on Conducting Polymer‐Cellulose Aerogels Open
Terahertz (THz) technologies provide opportunities ranging from calibration targets for satellites and telescopes to communication devices and biomedical imaging systems. A main component will be broadband THz absorbers with switchability.…
View article: Industrial Kraft Lignin Based Binary Cathode Interface Layer Enables Enhanced Stability in High Efficiency Organic Solar Cells
Industrial Kraft Lignin Based Binary Cathode Interface Layer Enables Enhanced Stability in High Efficiency Organic Solar Cells Open
Herein, a binary cathode interface layer (CIL) strategy based on the industrial solvent fractionated LignoBoost kraft lignin (KL) is adopted for fabrication of organic solar cells (OSCs). The uniformly distributed phenol moieties in KL ena…
View article: CSD 2060835: Experimental Crystal Structure Determination
CSD 2060835: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2060836: Experimental Crystal Structure Determination
CSD 2060836: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…
View article: CSD 2060830: Experimental Crystal Structure Determination
CSD 2060830: Experimental Crystal Structure Determination Open
An entry from the Inorganic Crystal Structure Database, the world’s repository for inorganic crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely availabl…