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  • The formation of Li dendrites at the Li/electrolyte interface at practically relevant current densities (> 1 mA cm−2) is a critical issue hindering the deployment of non-flammable and non-toxic Li7La3Zr2O12 (LLZO) electrolyte in solid-state batteries. In this comment, the authors argue for an agreement to standardize measurements of the critical current density at which Li dendrites begin to penetrate the LLZO solid-state electrolyte.

    • Matthias Klimpel
    • Huanyu Zhang
    • Kostiantyn V. Kravchyk
    CommentOpen Access
  • Attosecond science is nowadays a well-established research field, and table-top attosecond sources based on high-harmonic generation are routinely used to access electronic motion in matter at its natural time scale. Here, the authors describe a new way of doing chemistry—attochemistry—by directly acting on the electronic motion, and discuss a few key open questions in this emerging field.

    • Francesca Calegari
    • Fernando Martin
    CommentOpen Access
  • Fluorochemicals have a wide range of applications in industry, but accessing these relies on the energy intensive conversion of acid-grade fluorspar (CaF2) to toxic hydrogen fluoride (HF) gas, which is in turn used for the downstream production of fluorochemicals via multistep processes. Now, directly treating acid-grade fluorspar with dipotassium hydrogen phosphate (K2HPO4) under mechanochemical conditions affords a fluorinating reagent for direct S–F and C(sp3/sp2)–F bond construction, bypassing the need for HF production.

    • Huijuan Guo
    Research HighlightOpen Access
  • Vat-polymerization 3D printing (3DP) enables the high speed printing of precise and intricate 3D models, yet it inevitably produces highly crosslinked polymers that are not easily degradable or recyclable. Here, the author highlights recent work that realizes the formation of fully degradable polymers based on organocatalytic vat-ring-opening photopolymerization 3DP.

    • Satoshi Honda
    CommentOpen Access
  • Dr Zoe Schnepp and Professor David Smith share their experiences of working part-time in academia, discussing some of the benefits and challenges, and offering advice to those who may be seeking to work part-time.

    Q&AOpen Access
  • Dr Satoshi Honda talks to us about pursuing his scientific dreams, scientific developments he is excited about, directions polymer synthesis and materials development should focus on, as well as his experience of being an Editorial Board Member for Communications Chemistry.

    Q&AOpen Access
  • Dr David Nelson talks about his motivation for being a chemist, his viewpoints on the research field of homogeneous catalysis, as well as his experience of being an Editorial Board Member for Communications Chemistry.

    Q&AOpen Access
  • Chiral halogen-bonding catalysts have emerged as a new approach towards asymmetric catalysis, but enantioselectivities have thus far remained low. Now, fine-tuning the substrate–catalyst halogen–halogen interactions is shown to significantly enhance enantioselectivity for a model anion-binding-catalyzed dearomatization reaction.

    • Victoria Richards
    Research HighlightOpen Access
  • To solve the environmental disaster that is generated by legacy plastics accumulation, researchers are looking to design plastics with enhanced end-of-life options, but many circular plastics do not meet industrial requirements. Here, we highlight a metal-free approach to produce chemically recyclable poly(1,3-dioxolane) with ultra-high molecular weight and comparable properties to one of the most produced plastics, polyethylene.

    • Ainara Sangroniz
    • Haritz Sardon
    Research HighlightOpen Access
  • Professor Wei Zhang answers questions on his scientific career, scientific developments he is excited about, directions electrochemical energy storage and conversion technologies should focus on, as well as his experience of being an Editorial Board Member for Communications Chemistry.

    Q&AOpen Access
  • Efforts are ongoing to address inequities in scientific fields. Here, the author provides a critical look at the practice and culture of science with calls to action to broaden participation and recognition of talented members from marginalized groups in the chemical sciences.

    • Hind A. Al-Abadleh
    CommentOpen Access
  • Economical and high-efficiency synthesis of single-atom catalysts is a tremendous challenge hampering their large-scale industrialization, which is mainly attributed to the complex equipment and processes necessary for both top-down and bottom-up synthesis methods. Now, a facile three-dimensional printing approach tackles this dilemma. From a solution of printing ink and metal precursors, target materials with specific geometric shapes are prepared with high output, directly and automatically.

    • Yuhua Liu
    • Wei Zhang
    Research HighlightOpen Access
  • Liquid-liquid phase separation (LLPS) underlies the formation of intracellular membraneless compartments in biology and may have played a role in the formation of protocells that concentrate key chemicals during the origins of life. While LLPS of simple systems, such as oil and water, is well understood, many aspects of LLPS in complex, out-of-equilibrium molecular systems remain elusive. Here, the author discusses open questions and recent insights related to the formation, function and fate of such condensates both in cell biology and protocell research.

    • Evan Spruijt
    CommentOpen Access
  • Combining the superior photovoltaic performance of three-dimensional perovskites and the intrinsic durability of two-dimensional perovskites, the construction of 3D/2D perovskite bilayer heterojunctions is a promising strategy to realize efficient and stable perovskite solar cells, but it is still a challenge to control the phase purity, film thickness, orientation, and crystal structure of 2D perovskites. Now, a solution-processing strategy has overcome this challenge by directly coating a tailored single-crystal 2D perovskite ink on as-prepared 3D perovskite films, resulting in effective, ultra-stable and phase-pure 3D/2D perovskite bilayer heterojunctions.

    • Xinxin Lian
    • Hong Zhang
    • Junhao Chu
    Research HighlightOpen Access
  • Professor Jun Lu talks about the driving force for his career pathway and his academic journey from chemical physics to materials science and electrochemistry, as well as his experience of being an Editorial Board Member for Communications Chemistry.

    Q&AOpen Access
  • The Editors and Editorial Board of Communications Chemistry are pleased to launch an Editors’ Highlights Collection featuring some of our favorite Articles published in the journal in 2022. Here we highlight each Article and outline why it was selected.

    EditorialOpen Access
  • To reach a net-zero energy economy by 2050, it is critical to develop negative emission technologies, such as CO2 reduction electrolyzers, but these devices still suffer from various issues including low utilization of CO2 because of its cross-over from the cathode to the anode. This comment highlights the recent innovative design of membrane electrode assembly, utilizing a bipolar membrane and catholyte layer that blocks CO2 cross-over and enables high CO2 single-pass utilization.

    • Hung-Ming Chang
    • Iryna V. Zenyuk
    CommentOpen Access