Themed collection Journal of Materials Chemistry C Emerging Investigators 2024

This review highlights key strategies in structural engineering for achieving near-IR (NIR) optical absorption with conjugated polymers (NIR-CPs), and it details their utility in various organic electronic device applications.

This article provides a comprehensive review of organic photonic synaptic transistors (OPSTs) used for artificial visual systems (AVSs). The typical structures and some innovative applications of OPSTs in AVSs were discussed.

A breakthrough to achieve high-power THz sources is needed. This review covers recent advancements in laser-based THz generation, specifically using ultrafast lasers.

This review introduced the research progress and present situation of solar blind detectors based on metal halide perovskite (MHP) in recent years from different dimensions: three-dimensional, two-dimensional, one-dimensional and zero dimensional.

An aromatic moiety-free strategy is proposed for the excited state manipulation of a neutral manganese(II) halide scintillator towards efficient X-ray imaging with high spatial resolution of 11.3 lp mm⁻¹ and low detection limit of 34.95 nGy s⁻¹.

Four pairs of chiral Ag₆L₆ nanoclusters, synthesized using ligand engineering with thiazithione and oxazinthione, exhibit enhanced luminescence quantum yield attributed to S⋯S interactions and demonstrate supramolecular chirality inversion regulated by peripheral methyl and phenyl groups.

Vertical organic electrochemical transistor platforms enable facile channel formation by electropolymerization. The improved deposition control and resulting high performance is demonstrated here with the trimer ETE-COONa.

Schematics of OECT with oxygen sensitive polymer (left) and air-stable polymer (right), showing electrochemical reaction with oxygen and cells cytotoxicity.

Vertical organic field-effect transistors based on a low-temperature-prepared reduced graphene oxide electrode.

Upon repeated electrochemical doping and thermal annealing, regiorandom P3HT undergoes a disorder-to-order structural change.

Near-infrared circularly polarized organic room temperature phosphorescence is achieved by doping a naphthalimide derivative guest into a tartaric acid derivative host.

Fabrication of organic heterojunction memristor with controlled ion migration enables precise synaptic behavior simulation.

This work presents that the recrystallization of the electrode plays an important role in the stability of the organic transistors.

This study presents an approach for developing sleep monitoring sensors with excellent satisfactory softness, sensitivity and stability by embedding three-dimensional graphene conductive network patterns onto sponges.

Simplified pictorial representation of the ultra-cheap photoresistor-based CPL setup we designed and data obtained from it in comparison with CPL acquired with a conventional instrument.

This study highlights that an appropriate selenium content should be evaluated to balance the trade-off between charge transfer and volumetric capacitance, paving the way for the optimal product of electronic mobility and volumetric charge storage.

Polarity determination, analogously to solvent-polarity, of various solid porous materials was performed by utilizing a solvatochromic phthalimide as sensor dye.

A new surface engineering approach that allows for enhanced control over ligands by decoupling colloidal-stabilization and property-engineering ligands was developed.

Tri-layered heterojunction devices based on oxide thin films are attracting significant attention for ultra-fast visible photodetection.

The advanced synthetic methodologies for discrete chiral Au nanorods promote understanding the effect of structure parameters, intrinsic chirality and extrinsic chirality on the chiral plasmonic couplings.

A novel MOF floating-gate optical memory transistor was engineered using 2D molecular crystals as the active layer, and it exhibited an excellent electron capture ability, good current retention characteristics, and multi-level memory functionalities.

As presented in the manuscript the K₂Ge₄O₉:Mn⁴⁺ can be used as a luminescent pressure and temperature sensor. The pressure sensing can be achieved based on the kinetics of the 2E state luminescence and the spectral position of the R line can be used for temperature sensing.

The fine balance between enhanced processability and decreased device performance in donor–acceptor polymeric semiconductors is elucidated using discrete siloxane side chains.

This study introduces a new molecular design for long-wavelength TADF emitters featuring multi-donor arms and a π-extended acceptor core, which can simultaneously mitigate solid-state emission quenching and promote reverse intersystem crossing.

Unveiling the lanthanides selectivity in aqueous media from the molecular structures bias was demonstrated which could potentially contribute to establish the structure-function relationship for intragroup lanthanides discrimination and extractions.

Organic photodetectors have great potential in near-infrared applications. Here we develop new non-fullerene acceptors with detection above 800 nm and demonstrated large area devices with record performances.

Two green multiple resonance (MR) emitters were developed via internal-structure modification of CzBN, which not only extends the π-conjugated backbone towards red-shifted emission, but also improves the MR characteristics for narrowband features.

Here, flexible defective Zr/TiO_2−x nanofiber film was prepared, and the rather high selectivity for the photoreduction of CO₂ to CH₄ could be achieved due to the synergetic effect of OVs and nanofiber structure.

The SubPc-12H-12F cocrystal was constructed with almost identical packings of SubPc-6F(β). This study proved that the super-exchange coupling can both improve the charge carrier mobility and expand the charge transport channels in cocrystals.

The miscibility and crystallinity of fused ring electron acceptors is regulated to study the effects on the morphology and energy loss of organic solar cells (OSCs). BTP-C8 based OSCs juggle multiple impacts to gain the best efficiency.

An emergent liquid ferroelectric material is dispersed into polydimethylsiloxane as microdroplets, realizing a stretchable and ferroelectric high-κ elastomer.

High-quality TAGG75 single crystals are obtained by the Czochralski method for the first time. They exhibit excellent magneto-optical performance beyond TGG.