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1. Reversible Cl/Cl ⁻ redox in a spinel Mn ₃ O ₄ electrode

   https://doi.org/10.1039/D3SC04545E  

   Sandstrom, Sean K; Li, Qiuyao; Sui, Yiming; Lyons, Mason; Chang, Chun-Wai; Zhang, Rui; Jiang, Heng; Yu, Mingliang; Hoang, David; Stickle, William F; et al (November 2023, Chemical Science)

   In the Mn₃O₄electrode, chloride ions are reversibly converted into atomic chlorine species. Trapped Zn²⁺cations aid in stabilizing these chlorine atoms in polychloride species. 

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2. Reversible Cl ₂ /Cl ^– Redox for Low-Temperature Aqueous Batteries

   https://doi.org/10.1021/acsenergylett.2c02757  

   Sui, Yiming; Lei, Ming; Yu, Mingliang; Scida, Alexis; Sandstrom, Sean K.; Stickle, William; O’Larey, Timothy D.; Jiang, De-en; Ji, Xiulei (February 2023, ACS Energy Letters)
3. Influence of Composition and Structure on the Optoelectronic Properties of Photocatalytic Bi ₄ NbO ₈ Cl–Bi ₂ GdO ₄ Cl Intergrowths

   https://doi.org/10.1021/acs.inorgchem.4c00306  

   Christudas Beena, Nayana; Magnard, Nicolas P.; Puggioni, Danilo; dos Reis, Roberto; Chatterjee, Kaustav; Zhan, Xun; Dravid, Vinayak P.; Rondinelli, James M.; Jensen, Kirsten M.; Skrabalak, Sara E. (May 2024, Inorganic Chemistry)

   Mixed metal oxyhalides are an exciting class of photocatalysts, capable of the sustainable generation of fuels and remediation of pollutants with solar energy. Bismuth oxyhalides of the types Bi4MO8X (M = Nb and Ta; X = Cl and Br) and Bi2AO4X (A = most lanthanides; X = Cl, Br, and I) have an electronic structure that imparts photostability, as their valence band maxima (VBM) are composed of O 2p orbitals rather than X np orbitals that typify many other bismuth oxyhalides. Here, flux-based synthesis of intergrowth Bi4NbO8Cl–Bi2GdO4Cl is reported, testing the hypothesis that both intergrowth stoichiometry and M identity serve as levers toward tunable optoelectronic properties. X-ray scattering and atomically resolved electron microscopy verify intergrowth formation. Facile manipulation of the Bi4NbO8Cl-to-Bi2GdO4Cl ratio is achieved with the specific ratio influencing both the crystal and electronic structures of the intergrowths. This compositional flexibility and crystal structure engineering can be leveraged for photocatalytic applications, with comparisons to the previously reported Bi4TaO8Cl–Bi2GdO4Cl intergrowth revealing how subtle structural and compositional features can impact photocatalytic materials. 

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4. Alkali Metal Intercalation and Reduction of Layered WO ₂ Cl ₂

   https://doi.org/10.1021/acs.chemmater.0c03270  

   Smith, Andrew I.; Wladkowski, Henry V.; Hecht, Zachary H.; She, Yuqi; Kattel, Subash; Samarawickrama, Piumi I.; Rich, Sarah R.; Murphy, Joseph R.; Tian, Jifa; Ackerman, John F.; et al (December 2020, Chemistry of Materials)

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5. Flux Crystal Growth of Lanthanide Tungsten Oxychlorides, La _8.64 W ₆ O _30.45 Cl, Ce _8.64 W _5.74 O ₃₀ Cl, and Ln _8.33 W ₆ O ₃₀ Cl (Ln = Pr, Nd): Structural Stability in the Presence of Extreme Cation and Anion Disorder

   https://doi.org/10.1021/acs.inorgchem.9b03015  

   Carone, Darren; Klepov, Vladislav V.; Smith, Mark D.; zur Loye, Hans-Conrad (November 2019, Inorganic Chemistry)