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Themed collection Celebrating Tobin Marks’ 75th Birthday

52 items
Editorial

Tobin Marks’ 75th birthday. A celebration of a career devoted to materials chemistry

Guest editors Antonio Facchetti, Hui Huang, He Yan and Rocio Ponce Ortiz introduce this Journal of Materials Chemistry C issue commemorating the 75th birthday of Professor Tobin Marks.

Graphical abstract: Tobin Marks’ 75th birthday. A celebration of a career devoted to materials chemistry
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Highlight

Organic materials as a passivation layer for metal oxide semiconductors

This highlight reviews the recent studies on organic passivation for the stability enhancement of oxide thin-film transistors.

Graphical abstract: Organic materials as a passivation layer for metal oxide semiconductors
Perspective

Advances and opportunities in development of deformable organic electrochemical transistors

Unlocking deformability in organic electrochemical transistors (OECTs) is critical for their integration into wearable or implantable electronics, necessitating technological advances at the component and transistor levels.

Graphical abstract: Advances and opportunities in development of deformable organic electrochemical transistors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Perspective

2,3-Thienoimide-ended oligothiophenes as ambipolar semiconductors for multifunctional single-layer light-emitting transistors

In view of developing multifunctional OLETs, 2,3-thienoimide-ended oligothiophenes are proposed as ideal candidates to effectively ensure good ambipolar field-effect mobility, self-assembly capability and high luminescence in solid state.

Graphical abstract: 2,3-Thienoimide-ended oligothiophenes as ambipolar semiconductors for multifunctional single-layer light-emitting transistors
From the themed collection: Recent Open Access Articles
Review Article

High-performance organic second- and third-order nonlinear optical materials for ultrafast information processing

The review reports the recent progress in organic second-order and third-order nonlinear optical materials in the Jen group.

Graphical abstract: High-performance organic second- and third-order nonlinear optical materials for ultrafast information processing
Review Article

Green solvent-processed organic electronic devices

A review on the recent efforts to select green solvents for processing organic semiconductors for thin film transistors (TFT) and organic photovoltaics (OPV) applications. A guide for the safe fabrication of high-performance devices.

Graphical abstract: Green solvent-processed organic electronic devices
Review Article

Molecular doped organic semiconductor crystals for optoelectronic device applications

In this review, we give a timely summary of the current progress of molecular doped organic semiconductor single crystals in terms of material selection, crystal growth, resulting properties and device applications.

Graphical abstract: Molecular doped organic semiconductor crystals for optoelectronic device applications
Communication

Permalloy/polydimethylsiloxane nanocomposite inks for multimaterial direct ink writing of gigahertz electromagnetic structures

The multimaterials printing procedure of solenoidal inductor with a magnetic core.

Graphical abstract: Permalloy/polydimethylsiloxane nanocomposite inks for multimaterial direct ink writing of gigahertz electromagnetic structures
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Communication

Thermal-induced interface degradation in perovskite light-emitting diodes

The poor operational stability remains a key challenge in perovskite light-emitting diodes. In this work, we investigate the detrimental effects of thermal-induced interface degradation on the device performance of perovskite light-emitting diodes.

Graphical abstract: Thermal-induced interface degradation in perovskite light-emitting diodes
From the themed collection: Journal of Materials Chemistry C HOT Papers
Communication

Elucidating charge transport mechanisms in cellulose-stabilized graphene inks

Thin-films derived from solution-processed graphene inks that use ethyl cellulose as a polymer stabilizer show mixed metallic-semiconducting charge transport with high charge carrier mobility.

Graphical abstract: Elucidating charge transport mechanisms in cellulose-stabilized graphene inks
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Communication

Customizable and stretchable fibre-shaped electroluminescent devices via mulitcore-shell direct ink writing

A novel multicore-shell direct ink writing is proposed to fabricate stretchable fiber-shaped ACEL devices with tunable architectures and light emissions.

Graphical abstract: Customizable and stretchable fibre-shaped electroluminescent devices via mulitcore-shell direct ink writing
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

Ring fusion in tetrathienylethene cored perylene diimide tetramers affords acceptors with strong and broad absorption in the near-UV to visible region

Two PDI tetramers with a central tetrathienylethene core were investigated as non-fullerene acceptors in organic photovoltaics and the dramatic differences in their optical absorption spectra were rationalised on the basis of DFT calculations.

Graphical abstract: Ring fusion in tetrathienylethene cored perylene diimide tetramers affords acceptors with strong and broad absorption in the near-UV to visible region
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Investigating the active layer thickness dependence of non-fullerene organic solar cells based on PM7 derivatives

This work exposes the importance of testing a polymers active layer thickness tolerance as small modifications to a polymers structure can radically change its ability to stack/pack in the BHJ which is reflected in thick active layer OSCs.

Graphical abstract: Investigating the active layer thickness dependence of non-fullerene organic solar cells based on PM7 derivatives
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Quinoidal thioalkyl-substituted bithiophene small molecule semiconductors for n-type organic field effect transistors

Solution-processable dicyanomethylene end-capped bithiophene quinoidal organic semiconductors with four inserted thioalkyl side chains exhibit an electron mobility of 0.18 cm2 V−1 s−1 with excellent ambient and operational stability.

Graphical abstract: Quinoidal thioalkyl-substituted bithiophene small molecule semiconductors for n-type organic field effect transistors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Towards highly conducting bicarbazole redox polymer films with plateau-like conductivities

Chemical doping of bicarbazole redox polymer films leads to plateau-conductivities up to 2 × 10−2 S cm−1. The stability due to crosslinking and the transparency make them e.g. suitable as hole-transport layers in organic opto-electronic devices.

Graphical abstract: Towards highly conducting bicarbazole redox polymer films with plateau-like conductivities
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

Effect of main and side chain chlorination on the photovoltaic properties of benzodithiophene-alt-benzotriazole polymers

Introduction of chlorine in the conjugated side chains significantly improves open-circuit voltage and power conversion efficiency, benefiting from a lower HOMO energy level, well-balanced charge transport and superior nanoscale morphology.

Graphical abstract: Effect of main and side chain chlorination on the photovoltaic properties of benzodithiophene-alt-benzotriazole polymers
From the themed collection: Recent Open Access Articles
Paper

Hydrogen doping in wide-bandgap amorphous In–Ga–O semiconductors

Microscopic mechanisms of the formation of H defects and their role in passivation of under-coordinated atoms, short- and long-range structural transformations, and the resulting electronic properties of amorphous In–Ga–O with In : Ga = 6 : 4 are investigated using computationally-intensive ab initio molecular dynamics simulations and accurate density-functional calculations.

Graphical abstract: Hydrogen doping in wide-bandgap amorphous In–Ga–O semiconductors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

High-density polyethylene—an inert additive with stabilizing effects on organic field-effect transistors

The employment of binary blends comprising the insulating polymer HDPE in combination with hole- and electron-transporting organic semiconductors enables fabrication of OTFTs of notably improved device stability and performance.

Graphical abstract: High-density polyethylene—an inert additive with stabilizing effects on organic field-effect transistors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

In silico design of 2D polymers containing truxene-based platforms: insights into their structural and electronic properties

A total of 27 different 2D truxene-based polymers were theoretically investigated. Our results provide interesting guidelines to design novel 2D materials with applications ranging from sensing to photocatalysis or electronics.

Graphical abstract: In silico design of 2D polymers containing truxene-based platforms: insights into their structural and electronic properties
From the themed collection: Recent Open Access Articles
Open Access Paper

Photochromism in Ruddlesden–Popper copper-based perovskites: a light-induced change of coordination number at the surface

Ultraviolet light causes bis(phenethylammonium) tetrachlorocuprate to change color from yellow to brown, which is reversible by exposure to air.

Graphical abstract: Photochromism in Ruddlesden–Popper copper-based perovskites: a light-induced change of coordination number at the surface
From the themed collection: Recent Open Access Articles
Open Access Paper

Selection of the two enantiotropic polymorphs of diF-TES-ADT in solution sheared thin film transistors

The modulation of the deposition speed in blends of diF-TES-ADT and polystyrene controls the formation of either the low-temperature or the high-temperature polymorph.

Graphical abstract: Selection of the two enantiotropic polymorphs of diF-TES-ADT in solution sheared thin film transistors
From the themed collection: Recent Open Access Articles
Paper

Direct arylation polycondensed conjugated polyelectrolytes as universal electron transport layers for highly efficient polymer solar cells

We demonstrate a series of direct arylation polycondensed conjugated polyelectrolytes (CPEs) for application in universal and thickness-insensitive electron transport materials (ETMs) of highly efficient polymer solar cells (PSCs).

Graphical abstract: Direct arylation polycondensed conjugated polyelectrolytes as universal electron transport layers for highly efficient polymer solar cells
From the themed collection: Journal of Materials Chemistry C HOT Papers
Open Access Paper

Impact of p-type doping on charge transport in blade-coated small-molecule:polymer blend transistors

Blade-coating is used to fabricate high hole mobility organic transistors based on a p-doped small-molecule:polymer blend semiconductor.

Graphical abstract: Impact of p-type doping on charge transport in blade-coated small-molecule:polymer blend transistors
From the themed collection: Recent Open Access Articles
Open Access Paper

Printed, cost-effective and stable poly(3-hexylthiophene) electrolyte-gated field-effect transistors

A large-area processable ink-jet-printed poly(3-hexylthiophene) electrolyte-gated field-effect transistor, designed for bioelectronic applications, is proven to be stable for one week of continuous operation.

Graphical abstract: Printed, cost-effective and stable poly(3-hexylthiophene) electrolyte-gated field-effect transistors
From the themed collection: Recent Open Access Articles
Paper

Charge transport and mobility relaxation in organic bulk heterojunction morphologies derived from electron tomography measurements

The tortuosity of a bulk heterojunction domain network causes electric-field-induced dispersion that can significantly prolong the mobility relaxation dynamics relative to a homogenous neat material.

Graphical abstract: Charge transport and mobility relaxation in organic bulk heterojunction morphologies derived from electron tomography measurements
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

The post-treatment effects on open circuit voltages and device performances in a high efficiency all-small-molecule organic solar cell

Post-treatment effects on open circuit voltages and device performances in a novel high efficiency all-small-molecule OSC were deeply investigated.

Graphical abstract: The post-treatment effects on open circuit voltages and device performances in a high efficiency all-small-molecule organic solar cell
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Engineering functionalized low LUMO [1]benzothieno[3,2-b][1]benzothiophenes (BTBTs): unusual molecular and charge transport properties

A unique molecular library of functionalized low LUMO BTBT semiconductors was developed and studied in detail to reveal key design principles for electron transport in DAcTTs.

Graphical abstract: Engineering functionalized low LUMO [1]benzothieno[3,2-b][1]benzothiophenes (BTBTs): unusual molecular and charge transport properties
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Collective and individual impacts of the cascade doping of alkali cations in perovskite single crystals

Diversified occupants at the A-site (Cs, Rb) will improve the intrinsic properties of the FAMA-based perovskite single crystals, while additional interstitials such as K will degrade the materials properties.

Graphical abstract: Collective and individual impacts of the cascade doping of alkali cations in perovskite single crystals
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

A low boiling-point and low-cost fluorinated additive improves the efficiency and stability of organic solar cells

Low boiling-point and low-cost 1,4-difluorobenzene was used as solvent additive to optimize the power conversion efficiency and stability of organic solar cells.

Graphical abstract: A low boiling-point and low-cost fluorinated additive improves the efficiency and stability of organic solar cells
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Ultraflexible all-organic complementary transistors and inverters based on printed polymers

Crumpable electronics based on printed polymer semiconductors is demonstrated, with the additional features of being fully organic and semi-transparent.

Graphical abstract: Ultraflexible all-organic complementary transistors and inverters based on printed polymers
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Metal-free efficient dye-sensitized solar cells based on thioalkylated bithiophenyl organic dyes

A series of new metal-free organic dyes based on 3,3′-dithioalkyl-2,2′-bithiophene (SBT) organic chromophores was synthesized for use in dye-sensitized solar cells (DSSCs).

Graphical abstract: Metal-free efficient dye-sensitized solar cells based on thioalkylated bithiophenyl organic dyes
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Charge generation mechanism tuned via film morphology in small molecule bulk-heterojunction photovoltaic materials

Exciton evolution with PC61BM loading in small molecule BHJ layers revealed by GIWAXS and ultrafast optical transient absorption spectroscopy.

Graphical abstract: Charge generation mechanism tuned via film morphology in small molecule bulk-heterojunction photovoltaic materials
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Quinoidal dicyanomethylene-endcapped cyclopentadithiophenes as vacuum-processable n-type semiconductors

A series of new quinoidal cyclopentadithiophene-based vacuum-processable n-type semiconductors were synthesized and characterized, followed by their successful application in organic thin-film transistors and initial studies in organic solar cells.

Graphical abstract: Quinoidal dicyanomethylene-endcapped cyclopentadithiophenes as vacuum-processable n-type semiconductors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

The effect of aromatic ring size in electron deficient semiconducting polymers for n-type organic thermoelectrics

N-type semiconducting polymers have been recently utilized in thermoelectric devices, however they have typically exhibited low electrical conductivities and poor device stability, in contrast to p-type semiconductors, which have been much higher performing.

Graphical abstract: The effect of aromatic ring size in electron deficient semiconducting polymers for n-type organic thermoelectrics
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Effective interplay of donor and acceptor groups for tuning optoelectronic properties in oligothiophene–naphthalimide assemblies

In this work, a series of naphthalimide fused thienopyrazine derivatives was designed in order to efficiently modulate both the energy and topology of the frontier molecular orbitals involved in the charge transport mechanism.

Graphical abstract: Effective interplay of donor and acceptor groups for tuning optoelectronic properties in oligothiophene–naphthalimide assemblies
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

Molecular understanding of a π-conjugated polymer/solid-state ionic liquid complex as a highly sensitive and selective gas sensor

Electric-field driven chemical doping modulation in a solution-processed organic semiconductor and solid-state ionic liquid blend in response to volatile organic compounds provides an exciting opportunity to facilitate low-power chemical gas sensors.

Graphical abstract: Molecular understanding of a π-conjugated polymer/solid-state ionic liquid complex as a highly sensitive and selective gas sensor
From the themed collection: Recent Open Access Articles
Paper

Large-area printed low-voltage organic thin film transistors via minimal-solution bar-coating

Large-area printed low-voltage organic thin film transistors are fabricated with the bar-coating of minimal solutions of cross-linked dielectric and organic semiconductor.

Graphical abstract: Large-area printed low-voltage organic thin film transistors via minimal-solution bar-coating
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Simultaneous and visual detection of cysteamine based on Michael addition reaction with polydiacetylene liposomes

A highly sensitive colorimetric and fluorometric sensor comprising self-assembled polydiacetylene (PDA) liposomes for the measurement of cysteamine concentration.

Graphical abstract: Simultaneous and visual detection of cysteamine based on Michael addition reaction with polydiacetylene liposomes
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Atom vacancies and electronic transmission Stark effects in boron nanoflake junctions

A new type of Stark effect was observed in the electronic transmission as a function of voltage bias for vacancy-specific boron nanoflakes.

Graphical abstract: Atom vacancies and electronic transmission Stark effects in boron nanoflake junctions
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

C70-based aqueous-soluble fullerene for the water composition-tolerant performance of eco-friendly polymer solar cells

Our work highlights the development of eco-PSCs based on newly developed C70-based water/alcohol soluble fullerene with enhanced light absorption, aggregation properties and highly solvent composition-tolerant eco-friendly solvent processes.

Graphical abstract: C70-based aqueous-soluble fullerene for the water composition-tolerant performance of eco-friendly polymer solar cells
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Correlating structural changes with the photophysics of terrylenediimide films during spontaneous annealing

Films of consisting of a rigid extended aromatic surface and long alkyl chains to undergo structural rearrangement at room temperature. The slow timescale allows us to monitor the relationship of structure and photophysical behavior.

Graphical abstract: Correlating structural changes with the photophysics of terrylenediimide films during spontaneous annealing
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Open Access Paper

Fermi level pinned molecular donor/acceptor junctions: reduction of induced carrier density by interfacial charge transfer complexes

Charge transfer complex (CPX) formation at a donor–acceptor interface reduces the amount of Fermi-level pinning induced interfacial charge transfer.

Graphical abstract: Fermi level pinned molecular donor/acceptor junctions: reduction of induced carrier density by interfacial charge transfer complexes
From the themed collection: Recent Open Access Articles
Paper

Tuning the charge blocking layer to enhance photomultiplication in organic shortwave infrared photodetectors

This work investigates a series of interfacial materials to understand how charge-blocking layers facilitate trap-assisted photomultiplication in organic infrared detectors.

Graphical abstract: Tuning the charge blocking layer to enhance photomultiplication in organic shortwave infrared photodetectors
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Stretchable transparent conductive elastomers for skin-integrated electronics

Electrodes with good mechanical and electrical properties serve as the key component for realizing high-performance flexible electronics.

Graphical abstract: Stretchable transparent conductive elastomers for skin-integrated electronics
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

High-resolution organic field-effect transistors manufactured by electrohydrodynamic inkjet printing of doped electrodes

A top-contact, sub-5 μm resolution OFET is realized using inkjet printed electrodes with different F4-TCNQ doping concentrations.

Graphical abstract: High-resolution organic field-effect transistors manufactured by electrohydrodynamic inkjet printing of doped electrodes
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Small-molecule electrolytes with different ionic functionalities as a cathode buffer layer for polymer solar cells

Small-molecule electrolytes were designed and synthesized as the cathode interlayer in inverted polymer solar cells.

Graphical abstract: Small-molecule electrolytes with different ionic functionalities as a cathode buffer layer for polymer solar cells
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

A privileged ternary blend enabling non-fullerene organic photovoltaics with over 14% efficiency

Two non-fullerene small molecule acceptors, NT-4F and NT-4Cl, were designed and synthesized. Power conversion efficiencies of 11.44% and 14.55% were achieved for NT-4Cl-based binary and ternary devices, respectively.

Graphical abstract: A privileged ternary blend enabling non-fullerene organic photovoltaics with over 14% efficiency
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Design of narrow bandgap non-fullerene acceptors for photovoltaic applications and investigation of non-geminate recombination dynamics

A new narrow bandgap non-fullerene electron acceptor was designed, synthesized, and characterized for near-infrared organic photovoltaics.

Graphical abstract: Design of narrow bandgap non-fullerene acceptors for photovoltaic applications and investigation of non-geminate recombination dynamics
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Methoxylation of quinoidal bithiophene as a single regioisomer building block for narrow-bandgap conjugated polymers and high-performance organic field-effect transistors

Methoxyl group was introduced to obtain isomer-free methoxylation quinoidal bithiophene building block. Four polymers displayed narrow bandgap (<1.20 eV) and hole mobility of up to 2.70 cm2 V−1 s−1.

Graphical abstract: Methoxylation of quinoidal bithiophene as a single regioisomer building block for narrow-bandgap conjugated polymers and high-performance organic field-effect transistors
From the themed collection: Celebrating Tobin Marks’ 75th Birthday
Paper

Effects of alkoxylation position on fused-ring electron acceptors

Four fused-ring electron acceptors composed of the same core and end groups without or with hexyloxyl groups on the core and/or phenyl side chains are compared to systematically study the effects of alkoxylation position on the molecular packing, optical, electronic, and photovoltaic properties of the nonfullerene acceptors.

Graphical abstract: Effects of alkoxylation position on fused-ring electron acceptors
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

“Heavy-atom effects” in the parent [1]benzochalcogenopheno[3,2-b][1]benzochalcogenophene system

Effects of the chalcogen atoms in [1]benzochalcogenopheno[3,2-b][1]benzochalcogenophenes (BXBXs), the key π-conjugated core structures in the development of superior organic semiconductors, are investigated.

Graphical abstract: “Heavy-atom effects” in the parent [1]benzochalcogenopheno[3,2-b][1]benzochalcogenophene system
From the themed collection: Journal of Materials Chemistry C HOT Papers
Paper

Side chain engineering of polymer acceptors for all-polymer solar cells with enhanced efficiency

Side chain engineering of fused bithiophene imide oligomers yields a new series of random copolymers with tunable polymer chain packing and film morphology. When applied in all-polymer solar cells, an 8.32% efficiency is obtained.

Graphical abstract: Side chain engineering of polymer acceptors for all-polymer solar cells with enhanced efficiency
From the themed collection: Journal of Materials Chemistry C HOT Papers
52 items

About this collection

We are pleased to introduce you to this collection from Journal of Materials Chemistry C to celebrate the 75th birthday of Professor Tobin Jay Marks of Northwestern University.

Tobin has had a tremendous impact both as a scientist and as a teacher. With respect to contributions to materials science, in addition to other disciplines, he has influenced multiple aspects of the chemistry of organic, inorganic, and hybrid materials for photonic and electronic applications. He also greatly impacted students from all around the world as a teacher and mentor of science at the postdoctoral, graduate, and undergraduate levels. Furthermore, he has also served the research community through his long-standing role as an editor of several journals.

We hope you enjoy reading this collection of papers in Journal of Materials Chemistry C in celebration of Tobin Marks’ 75th Birthday.

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