Themed collection Showcasing recent research in materials chemistry from IIT Bombay, IIT Indore and IISc

Phenothiazine is one of the most extensively investigated aromatic compounds owing to its unique optical and electronic properties. This review highlighted the recent advances in the development of phenothiazine-based fluorescent materials for applications in various fields.

Besides the perovskite light absorber, engineering of the charge transport layers plays a prominent role in synergistically enhancing the efficiency and stability of perovskite solar cells.

Strategies for designing advanced thermoelectric materials.

The modulation of pyro-phototronic current using heterointerfaces with ZnO, which include doping, heating, bandgap tuning, etc., induces the self-powering capability of PDs.

In recent years, donor-acceptor based pyridine derivatives have significantly been used in organic solar cells (OSCs), thermally activated delayed fluorescence (TADF), organic light emitting diodes (OLEDs), perovskite solar cells (PSCs) etc.

This review provides a critical assessment of recently developed mechanochromic luminogens that hypsochromically shifted their emission in response to mechanical stimuli.

Diabetes is a type of disease that threatens human health, which can be diagnosed based on the level of glucose in the blood.

Oxidized phenothiazine chromophores have received significant attention in various technological applications including (OLEDs), photovoltaic devices, data storage, sensors and bioimaging due to their excellent photoluminescence properties.

Developing high-performance micro-supercapacitors in a limited footprint area is important for miniaturized electronics, where enhancement in energy storage per unit area is critical.

Eldfellite NaV(SO₄)₂ has been shown to be a versatile cathode insertion host for secondary Li-ion and Na-ion batteries.

Photo-chargeable supercapacitor from a ZnO and V₂O₅ layered structure under UV illumination.

A range of advanced imaging techniques are employed to study the micron- and nano-scale morphology of a polymer/non-fullerene acceptor blend. Cryo-electron microscopy in particular reveals nanoscale variations in molecular orientation and order.

The thiol–ene–epoxy polymer-based planar-type photodetector has been fabricated by varying stoichiometric ratios of constituent monomers. This device exhibits light intensity-dependent photo-response that has enormous potential for photonic applications.

Co-doped CuOx (Cu[Co]Ox/Au) electrodes create a preference for four-electron oxygen reduction pathways due to the presence of under-coordinated Co sites within a CuOx bonding framework.

The inkjet-printed transparent/ flexible MSCs based on mesoporous Mn₃O₄ show gravimetric and volumetric specific capacitances of 679.5 F g⁻¹ and 2411 F cm⁻³, respectively, with wide potential window of 2.6 V, and cycling stability up to 10000 cycles.

Energy efficient MoS₂/CuO p–n heterostructure broadband photodetector device.

Supersaturation mediated large area growth of hexagonal boron nitride (h-BN) for graphene electronics.

Four phenothiazine boronic ester derivatives containing different electron withdrawing groups were developed and investigated as emitters with monomolecular white resulting from blue fluorescence and yellowish room temperature phosphorescence.

The one-pot synthesis of Fe doped carbon dots (Fe-N@CDs) and its composite with Fe₃O₄ nanoparticles (Fe₃O₄-CDs) for detection and degradation of doxycycline.

The development of nanomaterial based Gram-selective antibiotic.

Ultralong room temperature phosphorescence of simple triarylphosphine oxides is reported. The lone pair electrons on the P in triarylphosphines facilitate faster intersystem crossing than those on the O of the P=O moiety in triarylphosphine oxides.

Space charge distribution of charge carriers within pristine semiconducting Ti₂O₃ near the electrode/electrolyte interface contributing to an anomalous rise in electrochemical capacitance.

A TADF emitter exhibiting high OLED device performance of 25% and narrow emission (FWHM = 58 nm) in the deep blue region (λ_em = 458 nm, CIE = 0.14, 0.13) due to balanced charge transfer interactions and locked molecular geometry.

Fine control over different phases of gold perovskites by anion exchange chemistry to study their temperature-dependent structural and optical properties.

Stability of the anode catalysts for PEM water electrolysers can be substantially improved by combining the catalytic component with antimony oxides. However, the mechanisms of the catalyst stabilisation differ depending on the active element used.

Anthracene-based non-doped OLED devices show EQE = 7.2% due to the delayed fluorescence resulting from the triplet-triplet annihilation (TTA). The hyperfluorescence device, in combination with a TADF assistant dopant, provides a high EQE of 17.8%.

The O₂ reduction reaction (ORR) is a promising reaction in clean energy conversion systems such as fuel cells, metal-air batteries, and electrochemical reactions.

An ammonia-free strategy to synthesize CrN supported on N-doped carbon (CrN@NG) as an oxygen reduction (ORR) catalyst over a wide pH range is demonstrated. A synergy between the NG support and anti-corrosive CrN boosts the catalyst activity and durability.

A multiscale molecular simulation study of the elasticity of DNA and DNA based nanostructures was conducted.

We demonstrate Ru nanoparticles confined on a N-doped hollow carbon matrix as a wide pH hydrogen evolution electrocatalyst. The formation of a Mott–Schottky heterojunction at the strongly coupled Ru/N-doped C interface enhances the catalysis.

A polythiophene-pentafluorophenyl substituted fulleropyrrolidine based solid state electrochromic device fabricated on a solid as well as flexible substrate showing fast, improved and one of the most efficient electrochromic performances.

Cerium and terbium doping at high concentrations in organic–inorganic halide perovskite 2D nanosheets enables a stable deep blue emission with unity quantum yield.

Synthesis of core–shell amphiphilic carbon dots under very mild conditions using various positional isomers of phenylene diamine and their application in the detection of biomolecular surfaces.

Co-encapsulation in liposomes promoted synergy among berberine and curcumin against MRSA infections and biofilm formations.