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Themed collection Molecular Materials and Devices

26 items
Review Article

Electrolyte-gated light-emitting transistors: working principle and applications

From the themed collection: Molecular Materials and Devices
Review Article

Recent progress in interface engineering of organic thin film transistors with self-assembled monolayers

This review introduces basic concepts and recent progress in self-assembled monolayers as a powerful tool for interface engineering of organic thin film transistors.

Graphical abstract: Recent progress in interface engineering of organic thin film transistors with self-assembled monolayers
From the themed collection: Molecular Materials and Devices
Review Article

Recent development and understanding of polymer–nanocrystal hybrid solar cells

This review presents a general overview of polymer–nanocrystal hybrid solar cells (HSCs). The device structure and operation mechanism of bulk heterojunction HSCs are introduced, and recent works that have been done to improve the device performance or clarify the operation mechanism are summarized and discussed in detail. Also, the challenges and perspectives of HSCs are presented.

Graphical abstract: Recent development and understanding of polymer–nanocrystal hybrid solar cells
From the themed collection: Molecular Materials and Devices
Review Article

Design and effective synthesis methods for high-performance polymer semiconductors in organic field-effect transistors

Design and effective synthesis methods for high-performance polymer semiconductor-based OFETs.

Graphical abstract: Design and effective synthesis methods for high-performance polymer semiconductors in organic field-effect transistors
From the themed collection: Molecular Materials and Devices
Research Article

Highly oriented two-dimensional formamidinium lead iodide perovskites with a small bandgap of 1.51 eV

Small bandgap 2D perovskites were synthesized with desired orientation and the corresponding solar cells presented high efficiency and good stability.

Graphical abstract: Highly oriented two-dimensional formamidinium lead iodide perovskites with a small bandgap of 1.51 eV
From the themed collection: Molecular Materials and Devices
Research Article

Ground-state conformers enable bright single-fluorophore ratiometric thermometers with positive temperature coefficients

A pseudo-rigid fluorophore with multiple conformers enables highly reliable single-fluorophore ratiometric temperature sensing.

Graphical abstract: Ground-state conformers enable bright single-fluorophore ratiometric thermometers with positive temperature coefficients
From the themed collection: Molecular Materials and Devices
Research Article

Ureasil organic–inorganic hybrids as photoactive waveguides for conjugated polyelectrolyte luminescent solar concentrators

We test the potential of resonance energy transfer to enhance the performance of conjugated copolyelectrolyte donor–acceptor luminescent solar concentrators immobilised within a photoactive organic–inorganic ureasil waveguide.

Graphical abstract: Ureasil organic–inorganic hybrids as photoactive waveguides for conjugated polyelectrolyte luminescent solar concentrators
From the themed collection: Molecular Materials and Devices
Research Article

A thieno[3,4-b]thiophene-based small-molecule donor with a π-extended dithienobenzodithiophene core for efficient solution-processed organic solar cells

A molecular donor STB-4 with a dithieno[2,3-d′:2′,3′-d′]benzo[1,2-b:4′,5′-b′]dithiophene core was synthesized for organic solar cells with a power conversion efficiency of 8.17%.

Graphical abstract: A thieno[3,4-b]thiophene-based small-molecule donor with a π-extended dithienobenzodithiophene core for efficient solution-processed organic solar cells
From the themed collection: Molecular Materials and Devices
Research Article

A glutamic acid-modified cellulose fibrous composite used for the adsorption of heavy metal ions from single and binary solutions

A new glutamic acid modified cellulose fibrous composite has been developed for Cu2+ and Hg2+ adsorption. The adsorption reaction follows a pseudo-second-order model, indicating the overall rates for the adsorption on GMC are controlled by chemical adsorption.

Graphical abstract: A glutamic acid-modified cellulose fibrous composite used for the adsorption of heavy metal ions from single and binary solutions
From the themed collection: Molecular Materials and Devices
Research Article

A pH-sensitive multifunctional fluorescent probe based on N-annulated perylene for the sensitive and selective detection of hypochlorous acid

The pH-sensitive multifunctional fluorescent probe PNPM based on N-annulated perylene was firstly developed for detecting HOCl selectively. And the probe could detect pH and HOCl simultaneously, and was successfully employed to detect HOCl in serum and water samples.

Graphical abstract: A pH-sensitive multifunctional fluorescent probe based on N-annulated perylene for the sensitive and selective detection of hypochlorous acid
From the themed collection: Molecular Materials and Devices
Research Article

Phase separation and electrical performance of bithienopyrroledione polymer semiconductors embedded in insulating polymers

Bithenopyrroledione based polymer semiconductors formed micro-sized fibers and were well dispersed in polymer semiconductor/PMMA blend films. The blend film transistors showed ambipolar behavior in a N2 atmosphere with a hole mobility of 0.1 cm2 V−1 s−1 and an electron mobility of 0.05 cm2 V−1 s−1.

Graphical abstract: Phase separation and electrical performance of bithienopyrroledione polymer semiconductors embedded in insulating polymers
From the themed collection: Molecular Materials and Devices
Research Article

New method for the synthesis of a highly-conjugated acene material and its application in Perovskite solar cells

Kita-type coupling and Scholl-type oxidative cyclodehydrogenation to afford acene from binaphthalene and mesitylene is as an effective alternative to the reported approaches.

Graphical abstract: New method for the synthesis of a highly-conjugated acene material and its application in Perovskite solar cells
From the themed collection: Molecular Materials and Devices
Research Article

Micro organic light-emitting diodes fabricated through area-selective growth

A photolithography compatible way for the fabrication of Micro-OLED devices via area-selective growth is developed.

Graphical abstract: Micro organic light-emitting diodes fabricated through area-selective growth
From the themed collection: Molecular Materials and Devices
Research Article

Multicarbazolyl substituted TTM radicals: red-shift of fluorescence emission with enhanced luminescence efficiency

Rotation restricted multicarbazolyl substituted TTM radicals: red-shift of fluorescence emission with enhanced luminescence efficiency.

Graphical abstract: Multicarbazolyl substituted TTM radicals: red-shift of fluorescence emission with enhanced luminescence efficiency
From the themed collection: Molecular Materials and Devices
Research Article

Flexible unipolar thermoelectric devices based on patterned poly[Kx(Ni-ethylenetetrathiolate)] thin films

A unipolar thermoelectric device of poly[Kx(Ni-ethylenetetrathiolate)] was patterned via an electrochemical process on a prepatterned PET substrate with printed PDMS.

Graphical abstract: Flexible unipolar thermoelectric devices based on patterned poly[Kx(Ni-ethylenetetrathiolate)] thin films
From the themed collection: Molecular Materials and Devices
Research Article

Novel vinylene-bridged donor–acceptor copolymers: synthesis, characterization, properties and effect of cyano substitution

Cyano groups were introduced into two vinylene-bridged monomers and four polymers were synthesized, and their FET performances were fully studied.

Graphical abstract: Novel vinylene-bridged donor–acceptor copolymers: synthesis, characterization, properties and effect of cyano substitution
From the themed collection: Molecular Materials and Devices
Research Article

An amino-substituted perylene diimide polymer for conventional perovskite solar cells

An amino-substituted conjugated polymer (PPDI-F3N) is synthesized and used as a multifunctional interfacial layer to modify TiO2 films in conventional planar perovskite solar cells, leading to a higher efficiency, better stability and reduced hysteresis.

Graphical abstract: An amino-substituted perylene diimide polymer for conventional perovskite solar cells
From the themed collection: Molecular Materials and Devices
Research Article

Morphology control enables thickness-insensitive efficient nonfullerene polymer solar cells

Thermal annealing can be used to achieve thickness-insensitive non-fullerene polymer solar cells.

Graphical abstract: Morphology control enables thickness-insensitive efficient nonfullerene polymer solar cells
From the themed collection: Molecular Materials and Devices
Research Article

Highly efficient thermally activated delayed fluorescence materials with reduced efficiency roll-off and low on-set voltages

Two carbazole and diphenylamine terminated D–A type molecules were developed as TADF materials, achieving highly efficient blue and green emitting devices with low on-set voltages and reduced efficiency roll-off.

Graphical abstract: Highly efficient thermally activated delayed fluorescence materials with reduced efficiency roll-off and low on-set voltages
From the themed collection: Molecular Materials and Devices
Research Article

A new class of gold(III) complexes with saturated poly(benzyl ether) dendrons for solution-processable blue-green-emitting organic light-emitting devices

Blue-green-emitting solution-processable OLEDs have been realized by the incorporation of a saturated dendrimer onto alkynylgold(III) complexes.

Graphical abstract: A new class of gold(iii) complexes with saturated poly(benzyl ether) dendrons for solution-processable blue-green-emitting organic light-emitting devices
From the themed collection: Molecular Materials and Devices
Research Article

Charge mobility enhancement for diketopyrrolopyrrole-based conjugated polymers by partial replacement of branching alkyl chains with linear ones

Side-chain engineering of three new conjugated D–A terpolymers by varying the number of branching and linear alkyl chains is presented for OFET studies.

Graphical abstract: Charge mobility enhancement for diketopyrrolopyrrole-based conjugated polymers by partial replacement of branching alkyl chains with linear ones
From the themed collection: Molecular Materials and Devices
Research Article

Water-dispersible hyperbranched conjugated polymer nanoparticles with sulfonate terminal groups for amplified fluorescence sensing of trace TNT in aqueous solution

The efficient encapsulation of TNT by numerous hydrophobic cavities inside the hyperbranched conjugated polymer core allows for amplified fluorescence quenching detection of TNT down to 0.8 ppb.

Graphical abstract: Water-dispersible hyperbranched conjugated polymer nanoparticles with sulfonate terminal groups for amplified fluorescence sensing of trace TNT in aqueous solution
From the themed collection: Molecular Materials and Devices
Research Article

Supramolecular conjugated polymer materials for organelle imaging in living cells

A novel supramolecular system based on conjugated polymers is developed to realize specific targeting and imaging of organelles in living cells.

Graphical abstract: Supramolecular conjugated polymer materials for organelle imaging in living cells
From the themed collection: Molecular Materials and Devices
Research Article

Dithieno[3,2-a:3′,2′-j][5,6,11,12]chrysene diimides and their molecular energy level regulation

Dithieno[3,2-a:3′,2′-j][5,6,11,12]chrysene diimides (DTCDIs), a new class of organic dyes, with a twisted molecular backbone were designed and synthesized.

Graphical abstract: Dithieno[3,2-a:3′,2′-j][5,6,11,12]chrysene diimides and their molecular energy level regulation
From the themed collection: Molecular Materials and Devices
Research Article

Halogenated conjugated molecules for ambipolar field-effect transistors and non-fullerene organic solar cells

Halogenated conjugated molecules containing F, Cl, Br and I with high crystallinity were developed to show high electron mobilities of 1.3 cm2 V−1 s−1 in field-effect transistors and power conversion efficiencies above 9% in non-fullerene solar cells.

Graphical abstract: Halogenated conjugated molecules for ambipolar field-effect transistors and non-fullerene organic solar cells
From the themed collection: Molecular Materials and Devices
Research Article

Graphdiyne for multilevel flexible organic resistive random access memory devices

A novel carbon material graphdiyne and thermally deposited Al–Al2O3 core–shell NPs were employed to realize flexible multilevel RRAM.

Graphical abstract: Graphdiyne for multilevel flexible organic resistive random access memory devices
From the themed collection: Molecular Materials and Devices
26 items

About this collection

Materials Chemistry Frontiers is delighted to publish the following collection of articles on “Molecular Materials and Devices”, guest edited by Daoben Zhu and Deqing Zhang from Institute of Chemistry, CAS.

This themed collection is dedicated to the design and synthesis of new optoelectronic materials and device applications. Key topics include but are not limited to:

  • Design and synthesis of new conjugated molecular systems toward high-performance optoelectronic materials
  • Exploration on the structure-property correlations and relevant physical studies
  • Applications in optoelectronic devices
  • Applications in biosensing/imaging and biomedical areas

More articles will be added into the collection as soon as published.

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