Electronic materials articles within Nature Communications

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  • Article
    | Open Access

    Manganite perovskites display the intriguing property of colossal magnetoresistance (CMR), but only at very specific doping values. Now, a detailed crystallographic analysis of a prototype system reveals a novel type of orbital ordering that coexists with charge-disorder stripes, occurring precisely at the doping value where CMR is maximised.

    • Wei-Tin Chen
    • , Chin-Wei Wang
    •  & Mark S. Senn

  • Article
    | Open Access

    The classical narrow bandgap donor-acceptor organic semiconductors show great application potential in organic electronics, bio-imaging and other fields. Here, the authors systematically and rigorously demonstrate their open-shell diradical character via experimental and theoretical investigation.

    • Zhongxin Chen
    • , Wenqiang Li
    •  & Fei Huang

  • Article
    | Open Access

    Next-generation skin-inspired electronics require enhanced mechanical robustness and device complexity including elasticity, solvent resistance, and facile patternability. Here, the authors show a molecular design concept that simultaneously achieves all these requirements by covalently linking an in-situ formed rubber matrix with polymer electronic materials.

    • Yu Zheng
    • , Zhiao Yu
    •  & Zhenan Bao

  • Article
    | Open Access

    Machine learning has the potential to significantly speed-up the discovery of new materials in synthetic materials chemistry. Here the authors combine unsupervised machine learning and crystal structure prediction to predict a novel quaternary lithium solid electrolyte that is then synthesized.

    • Andrij Vasylenko
    • , Jacinthe Gamon
    •  & Matthew J. Rosseinsky

  • Article
    | Open Access

    Fabricating materials with simultaneously spontaneous magnetic and electrical polarisations is challenging due to contradictory electronic features. Here, the authors report a synthesis path toward a perovskite MnSrTa2O7 by performing low-temperature cation-exchange reactions on Li2SrTa2O7.

    • Tong Zhu
    • , Fabio Orlandi
    •  & Michael A. Hayward

  • Article
    | Open Access

    Extension of nanostructure fabrication in the single-nm regime is a promising but fabrication of nanostructures with high aspect ratios remains challenging. Here, the authors use high energy charged particles to produce free-standing 1D organic nanostructures with extremely high aspect ratios and controlled number density.

    • Koshi Kamiya
    • , Kazuto Kayama
    •  & Shu Seki

  • Article
    | Open Access

    Many best-performing perovskite photovoltaics use 2D/3D interfaces to improve efficiency and stability, yet the mechanism of interface assembly is unclear. Here, Proppe et al. use in-situ GIWAXS to resolve this transformation, observing progressive dimensional reduction from 3D to 2D perovskites.

    • Andrew H. Proppe
    • , Andrew Johnston
    •  & Edward H. Sargent

  • Article
    | Open Access

    Charge dynamics in perovskite is not well-understood, limited by the knowledge of defect physics and charge recombination mechanism, yet the ABC and SRH models are widely used. Here, the authors introduce advanced PLQY mapping as function of excitation pulse energy and repetition frequency to examine the validity of these models.

    • Alexander Kiligaridis
    • , Pavel A. Frantsuzov
    •  & Ivan G. Scheblykin

  • Article
    | Open Access

    Realizing ultra-high work functions (UHWFs) in hole-doped polymer semiconductors remains a challenge due to water-oxidation reactions. Here, the authors determine the role of water-anion complexes in limiting the work function and develop a design strategy for realizing UHWF polymers.

    • Qi-Mian Koh
    • , Cindy Guanyu Tang
    •  & Peter K. H. Ho

  • Review Article
    | Open Access

    Electrocatalytic nanocarbon (EN) is a class of materials receiving intense interest as next generation electrocatalysts. Although impressive platforms, work is still required to develop our mechanistic understanding of them to that of molecular electrocatalysts.

    • Erik J. Askins
    • , Marija R. Zoric
    •  & Ksenija D. Glusac

  • Article
    | Open Access

    In this work, authors show that O-redox in 4d and 5d transition metal oxides involves the formation of molecular oxygen trapped in the particles. These results are in accord with observations in 3d oxides and show that the greater covalency of the 4d and 5d oxides does not stabilise peroxo-like species.

    • Robert A. House
    • , John-Joseph Marie
    •  & Peter G. Bruce

  • Article
    | Open Access

    The development of n-type conductive polymer inks is critical for the development of next-generation opto-electronic devices that rely on efficient hole and electron transport. Here, the authors report an alcohol-based, high performance and stable n-type conductive ink for printed electronics.

    • Chi-Yuan Yang
    • , Marc-Antoine Stoeckel
    •  & Simone Fabiano

  • Article
    | Open Access

    Though polymer memristors are promising for low‐power flexible edge computing applications, realizing efficient nanometer‐scale arrays remains a challenge. Here, the authors report a record high 90% production yield in nm‐scale 2D conjugated polymer memristors with homogeneous resistive switching.

    • Bin Zhang
    • , Weilin Chen
    •  & Yu Chen

  • Article
    | Open Access

    Controlling the electronic states of molecules is a fundamental challenge for future sub-nanoscale device technologies but the external dynamical control of these states still awaits experimental realization. Here, via quantum chemical calculations, the authors demonstrate that in-plane uniaxial strain of 2D covalently linked arrays of radical units induces controlled pairing of π-conjugated electrons in a reversible way.

    • Isaac Alcón
    • , Raúl Santiago
    •  & Stefan T. Bromley

  • Article
    | Open Access

    Controlling and modulating charge transfer dynamics in composite nanostructures, though promising for optoelectronic applications, remains a challenge. Here, the authors report optical control of charge separation and recombination processes in organic semiconductor-based composite nanostructures.

    • Kwang Jin Lee
    • , Elke Beyreuther
    •  & Pascal André

  • Article
    | Open Access

    Properties of perovskite oxides can be changed by manipulating anion-vacancy order patterns, but they are difficult to control. Here the authors show strain-induced creation and switching of anion vacancies in perovskite films in which the direction or periodicity of anion-vacancy planes is altered depending on the substrate employed.

    • Takafumi Yamamoto
    • , Akira Chikamatsu
    •  & Hiroshi Kageyama

  • Article
    | Open Access

    Though reducing non-emissive triplet excited-states using quenchers effectively improves organic semiconductor laser diode (OSLD) performance, existing quenchers are not suitable for devices. Here, the authors designed a solid-state triplet quencher for OSLD under optical and electrical excitation.

    • Van T. N. Mai
    • , Viqar Ahmad
    •  & Shih-Chun Lo

  • Article
    | Open Access

    Designing efficient toxic-element-free technologies in solution-processable CMOS electronics remains a challenge. Here, the authors demonstrate integrated logic CMOS circuits based on heavy-metal-free colloidal CuInSe2 quantum dots with low switching voltages and with degradation-free performance on month-long time scales.

    • Hyeong Jin Yun
    • , Jaehoon Lim
    •  & Victor I. Klimov

  • Article
    | Open Access

    Metal halide perovskites feature crystalline-like electronic band structures and liquid-like physical properties that allow chemical manipulation of the structure with low energy input. Here, the authors leverage the low formation energy of 2D metal halide perovskites to demonstrate films that reversibly switch between multiple colors using tunable quantum well thickness.

    • Bryan A. Rosales
    • , Laura E. Mundt
    •  & Lance M. Wheeler

  • Article
    | Open Access

    Materials with oxygen hyperstoichiometry received great attention in solid oxide fuel cells field because of the low activation energy of interstitial ion migration. Here the authors revealed the relationship between the structure and oxide ion migration for the whole series of CeNbO4+δ compounds.

    • Jian Li
    • , Fengjuan Pan
    •  & Junliang Sun

  • Article
    | Open Access

    Though the goal of current organic solid-state laser research remains the realization of electrically pumped lasing, identifying organic semiconductors with ideal properties remains a challenge. Here, the authors report a computational strategy for screening electrical pumping lasing molecules.

    • Qi Ou
    • , Qian Peng
    •  & Zhigang Shuai

  • Article
    | Open Access

    Realizing efficient n-doping in organic thermoelectrics remains a challenge due to dopant-semiconductor immiscibility, poor dopant stability and low doping efficiency. Here, the authors use computer-assisted screening to develop n-dopants for thermoelectric polymers that show record power factors.

    • Chi-Yuan Yang
    • , Yi-Fan Ding
    •  & Jian Pei

  • Article
    | Open Access

    Designing complex oxides with appreciable low-temperature synthesis remains a challenge. Here, the authors demonstrate an atomic layer deposition process for LaNiO3 to enable epitaxial thin films on LaAlO3 and SrTiO3 substrates deposited at 225 °C, with no annealing required to achieve good electronic properties.

    • Henrik H. Sønsteby
    • , Erik Skaar
    •  & Ola Nilsen

  • Article
    | Open Access

    Forming charge transfer excitons (CTEs) exclusively within perovskite structures remains as an unexplored issue. Here, the authors report the establishment of CTEs for demonstrating broad light emission within quasi-2D perovskite heterostructures, presenting “intermolecular-type” excited states.

    • Jia Zhang
    • , Xixiang Zhu
    •  & Bin Hu

  • Article
    | Open Access

    Polarization change from directional electron transfer attracts considerable attention owing to its fast switching rate and potential light control. Here, the authors provide a proof-of-concept of electronic pyroelectricity induced by intramolecular electron transfer in the single crystal of a valence tautomeric compound.

    • Shu-Qi Wu
    • , Meijiao Liu
    •  & Osamu Sato

  • Article
    | Open Access

    Functionalizing two-dimensional (2D) hybrid perovskites with organic chromophores is a novel approach to tune their optoelectronic properties. Here, the authors report efficient charge separation and conduction in 2D hybrid perovskite nanoplatelets by incorporating an electron acceptor chromophore.

    • María C. Gélvez-Rueda
    • , Magnus B. Fridriksson
    •  & Ferdinand C. Grozema

  • Article
    | Open Access

    Realizing efficient blue-emitting organic light-emitting diodes (OLEDs) with long operational lifetime is key to the development of future display technologies. Here, the authors report efficient host-guest and host-free OLEDs featuring designed carbene-metal-amide-type deep-blue photoemitters.

    • Patrick J. Conaghan
    • , Campbell S. B. Matthews
    •  & Alexander S. Romanov

  • Article
    | Open Access

    Charge ordering in magnetite is an important example of the complex behaviour that emerges in transition metal oxides. Here the authors show that doping causes selective oxidation of one site in the established trimeron pattern, introducing an additional charge-ordered structure.

    • E. Pachoud
    • , J. Cumby
    •  & J. P. Attfield

  • Article
    | Open Access

    Solid-state rechargeable batteries using solid electrolytes instead of liquid ones could address the safety and energy density issues. Here the authors report a Na-ion solid electrolyte Na2.88Sb0.88W0.12S4 which exhibits record high ionic conductivity of 32 mS/cm at room temperature.

    • A. Hayashi
    • , N. Masuzawa
    •  & M. Tatsumisago

  • Article
    | Open Access

    To unlock the potential of biological semiconductors for printed flexible electronics, experimental evidence that reveals the material’s charge transport mechanism is required. Here, the authors report the charge transport mechanism in hydrogen-bonded DNA topoisomerase inhibitors.

    • Fengjiao Zhang
    • , Vincent Lemaur
    •  & Ying Diao

  • Article
    | Open Access

    Little attention has been paid to the fundamental mechanism of molecular self-assembly into crystallised films or wires on surfaces. Here the authors use real time in-situ scanning probe microscopy to monitor the growth trajectories of organic semiconducting films as they crystallize from an amorphous solid state under ambient conditions.

    • Hongliang Chen
    • , Mingliang Li
    •  & Xuefeng Guo

  • Article
    | Open Access

    Insulating materials combining a high mechanical stability, a low dielectric constant and the ability to completely fill narrow gaps are essential to fabricate interconnects for future high-performance chips. Here, the authors integrate zeolitic imidazolate frameworks as ultra-low-k dielectrics within a 90 nm pitch metallization layer via selective vapor-based conversion of metal oxide films.

    • Mikhail Krishtab
    • , Ivo Stassen
    •  & Rob Ameloot

  • Article
    | Open Access

    Aromatic two-dimensional covalent organic frameworks (2D COFs) are hailed as candidates for electronic and optical devices, yet only few applications were demonstrated. Here, the authors show a triazine based COF with UV/VIS real-time response and increase in bulk conductivity to HCl vapour as a chemical trigger.

    • Ranjit Kulkarni
    • , Yu Noda
    •  & Michael J. Bojdys

  • Article
    | Open Access

    Designing organic thermoelectric materials with high electrical conductivity and Seebeck coefficient is challenging due to the direct relationship between these two properties. Here, the authors explore the role of dopant spatial distribution on thermoelectric performance in conjugated polymers.

    • Connor J. Boyle
    • , Meenakshi Upadhyaya
    •  & D. Venkataraman

  • Article
    | Open Access

    Understanding the energetic driving force is important for optimizing the performance of organic solar cells. Here Nakano et al. suggest that the dominant driving force is the energy difference between the singlet excited state and the charge transfer state after assessing 16 material combinations.

    • Kyohei Nakano
    • , Yujiao Chen
    •  & Keisuke Tajima

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