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Organic–Inorganic Hybrid Polyoxotungstates As Configurable Charge Carriers for High Energy Redox Flow Batteries (2021)
Journal Article
Peake, C. L., Kibler, A. J., Newton, G. N., & Walsh, D. A. (2021). Organic–Inorganic Hybrid Polyoxotungstates As Configurable Charge Carriers for High Energy Redox Flow Batteries. ACS Applied Energy Materials, 4(9), 8765-8773. https://doi.org/10.1021/acsaem.1c00800

We describe the synthesis and electrochemical analysis of the phenyl siloxane-hybridized phosphotungstate Keggin-type polyoxometalate (POM) TBA3[PW11O39(SiC6H5)2O] (TBA3W11SiPh) and its performance as the charge carrier in nonaqueous redox flow batte... Read More about Organic–Inorganic Hybrid Polyoxotungstates As Configurable Charge Carriers for High Energy Redox Flow Batteries.

Electrochemistry of redox-active molecules confined within narrow carbon nanotubes (2021)
Journal Article
Jordan, J. W., Townsend, W. J. V., Johnson, L. R., Walsh, D. A., Newton, G. N., & Khlobystov, A. N. (2021). Electrochemistry of redox-active molecules confined within narrow carbon nanotubes. Chemical Society Reviews, 50(19), 10895-10916. https://doi.org/10.1039/d1cs00478f

Confinement of molecules within nanocontainers can be a powerful tool for controlling the states of guest-molecules, tuning properties of host-nanocontainers and triggering the emergence of synergistic properties within the host–guest systems. Among... Read More about Electrochemistry of redox-active molecules confined within narrow carbon nanotubes.

Decoupling manufacturing from application in additive manufactured antimicrobial materials (2021)
Journal Article
Wales, D. J., Miralles-Comins, S., Franco-Castillo, I., Cameron, J. M., Cao, Q., Karjalainen, E., …Sans, V. (2021). Decoupling manufacturing from application in additive manufactured antimicrobial materials. Biomaterials Science, 9(16), 5397-5406. https://doi.org/10.1039/d1bm00430a

3D printable materials based on polymeric ionic liquids (PILs) capable of controlling the synthesis and stabilisation of silver nanoparticles (AgNPs) and their synergistic antimicrobial activity are reported. The interaction of the ionic liquid moiet... Read More about Decoupling manufacturing from application in additive manufactured antimicrobial materials.

Single-molecule imaging and kinetic analysis of intermolecular polyoxometalate reactions (2021)
Journal Article
Jordan, J. W., Fung, K. L. Y., Skowron, S. T., Allen, C. S., Biskupek, J., Newton, G. N., …Khlobystov, A. N. (2021). Single-molecule imaging and kinetic analysis of intermolecular polyoxometalate reactions. Chemical Science, 12(21), 7377-7387. https://doi.org/10.1039/d1sc01874d

We induce and study reactions of polyoxometalate (POM) molecules, [PW12O40]3− (Keggin) and [P2W18O62]6− (Wells–Dawson), at the single-molecule level. Several identical carbon nanotubes aligned side by side within a bundle provided a platform for spat... Read More about Single-molecule imaging and kinetic analysis of intermolecular polyoxometalate reactions.

Molecular redox species for next-generation batteries (2021)
Journal Article
Cameron, J. M., Holc, C., Kibler, A. J., Peake, C. L., Walsh, D. A., Newton, G. N., & Johnson, L. R. (2021). Molecular redox species for next-generation batteries. Chemical Society Reviews, 50(10), 5863-5883. https://doi.org/10.1039/d0cs01507e

This Tutorial Review describes how the development of dissolved redox-active molecules is beginning to unlock the potential of three of the most promising ‘next-generation’ battery technologies – lithium–air, lithium–sulfur and redox-flow batteries.... Read More about Molecular redox species for next-generation batteries.

2021 roadmap on lithium sulfur batteries (2021)
Journal Article
Robinson, J. B., Xi, K., Kumar, R. V., Ferrari, A. C., Au, H., Titirici, M., …Shearing, P. R. (2021). 2021 roadmap on lithium sulfur batteries. Journal of Physics: Energy, 3(3), Article 031501. https://doi.org/10.1088/2515-7655/abdb9a

Batteries that extend performance beyond the intrinsic limits of Li-ion batteries are among the most important developments required to continue the revolution promised by electrochemical devices. Of these next-generation batteries, lithium sulfur (L... Read More about 2021 roadmap on lithium sulfur batteries.

A Cooperative Photoactive Class-I Hybrid Polyoxometalate With Benzothiadiazole–Imidazolium Cations (2021)
Journal Article
Kibler, A. J., Souza, V. S., Fernandes, J. A., Lewis, W., Argent, S. P., Dupont, J., & Newton, G. N. (2021). A Cooperative Photoactive Class-I Hybrid Polyoxometalate With Benzothiadiazole–Imidazolium Cations. Frontiers in Chemistry, 8, Article 612535. https://doi.org/10.3389/fchem.2020.612535

An organic–inorganic hybrid species based on the Wells–Dawson polyoxotungstate [P2W18O62]6− and novel fluorescent benzothiadiazole–imidazolium cations, [BTD-4,7-ImH]2+, has been synthesized. X-ray crystallographic analysis shows that the inorganic an... Read More about A Cooperative Photoactive Class-I Hybrid Polyoxometalate With Benzothiadiazole–Imidazolium Cations.

Functionalization of Carbon Surfaces Tunes the Redox Stability of Polyoxometalate@Carbon Electrodes (2020)
Journal Article
Mughal, N. S., Walsh, D. A., & Newton, G. N. (2020). Functionalization of Carbon Surfaces Tunes the Redox Stability of Polyoxometalate@Carbon Electrodes. ACS Applied Energy Materials, 3(12), 12308-12315. https://doi.org/10.1021/acsaem.0c02360

The use of redox-active polyoxometalates (POMs) offers unique opportunities for the development of advanced functional materials, but the use of such systems is often limited by their instability in operando. To enhance the functional stability of PO... Read More about Functionalization of Carbon Surfaces Tunes the Redox Stability of Polyoxometalate@Carbon Electrodes.

Transition metal decorated soft nanomaterials through modular self-assembly of an asymmetric hybrid polyoxometalate (2020)
Journal Article
Hampson, E., Cameron, J. M., Watts, J. A., & Newton, G. N. (2020). Transition metal decorated soft nanomaterials through modular self-assembly of an asymmetric hybrid polyoxometalate. Chemical Communications, 56, 8237-8240. https://doi.org/10.1039/d0cc03554h

An asymmetrically functionalised Wells–Dawson organic–inorganic hybrid polyoxometalate has been post-functionalised by Pt2+ coordination, and demonstrates self-assembly into surface-decorated micellar nanostructures. This multifunctional hybrid mater... Read More about Transition metal decorated soft nanomaterials through modular self-assembly of an asymmetric hybrid polyoxometalate.

Redox?Active Hybrid Polyoxometalate?Stabilised Gold Nanoparticles (2020)
Journal Article
Martin, C., Kastner, K., Cameron, J. M., Hampson, E., Alves Fernandes, J., Gibson, E. K., …Newton, G. N. (2020). Redox‐Active Hybrid Polyoxometalate‐Stabilised Gold Nanoparticles. Angewandte Chemie International Edition, 59(34), 14331-14335. https://doi.org/10.1002/anie.202005629

We report the design and preparation of multifunctional hybrid nanomaterials through the stabilization of gold nanoparticles with thiol‐functionalised hybrid organic–inorganic polyoxometalates (POMs). The covalent attachment of the hybrid POM forms n... Read More about Redox?Active Hybrid Polyoxometalate?Stabilised Gold Nanoparticles.

Heteroleptic iron(ii) complexes with naphthoquinone-type ligands (2020)
Journal Article
Shiga, T., Kumamaru, R., Newton, G. N., & Oshio, H. (2020). Heteroleptic iron(ii) complexes with naphthoquinone-type ligands. Dalton Transactions, 49(5), 1485-1491. https://doi.org/10.1039/c9dt03946e

Heteroleptic iron complexes with a naphthoquinone-type ligand, 2-(pyridin-2-yl)-1H-naphtho[2,3-d]imidazole-4,9-dione (HL), were synthesized, and their structures and magnetic properties were investigated. Two spin-crossover complexes, [Fe(L)2(L1)] (1... Read More about Heteroleptic iron(ii) complexes with naphthoquinone-type ligands.

Asymmetric Hybrid Polyoxometalates: A Platform for Multifunctional Redox‐Active Nanomaterials (2019)
Journal Article
Hampson, E., Cameron, J. M., Amin, S., Kyo, J., Watts, J. A., Oshio, H., & Newton, G. N. (2019). Asymmetric Hybrid Polyoxometalates: A Platform for Multifunctional Redox‐Active Nanomaterials. Angewandte Chemie International Edition, 58(50), 18281-18285. https://doi.org/10.1002/anie.201912046

Access to asymmetrically functionalised polyoxometalates is a grand challenge as it could lead to new molecular nanomaterials with multiple or modular functionality. Here, a simple “one-pot” synthetic approach to the isolation of an asymmetrically fu... Read More about Asymmetric Hybrid Polyoxometalates: A Platform for Multifunctional Redox‐Active Nanomaterials.

Host–Guest Hybrid Redox Materials Self‐Assembled from Polyoxometalates and Single‐Walled Carbon Nanotubes (2019)
Journal Article
Jordan, J. W., Lowe, G. A., McSweeney, R. L., Stoppiello, C. T., Lodge, R. W., Skowron, S. T., …Khlobystov, A. N. (2019). Host–Guest Hybrid Redox Materials Self‐Assembled from Polyoxometalates and Single‐Walled Carbon Nanotubes. Advanced Materials, 31(41), Article 1904182. https://doi.org/10.1002/adma.201904182

The development of next‐generation molecular‐electronic, electrocatalytic, and energy‐storage systems depends on the availability of robust materials in which molecular charge‐storage sites and conductive hosts are in intimate contact. It is shown he... Read More about Host–Guest Hybrid Redox Materials Self‐Assembled from Polyoxometalates and Single‐Walled Carbon Nanotubes.

A Brønsted ligand molecular switch with five accessible states (2019)
Journal Article
Shiga, T., Saiki, R., Akiyama, L., Kumai, R., Natke, D., Renz, F., …Oshio, H. (2019). A Brønsted ligand molecular switch with five accessible states. Angewandte Chemie International Edition, 58(17), 5658-5662. https://doi.org/10.1002/anie.201900909

A mononuclear Fe(II) complex, prepared with a Brønsted diacid ligand, H2L (H2L = 2-[5-phenyl-1H-pyrazole-3-yl] 6benzimidazole pyridine), shows switchable physical properties and was isolated in five different electronic states. The spin crossover (SC... Read More about A Brønsted ligand molecular switch with five accessible states.

Substituent dependence on the spin crossover behaviour of mononuclear Fe(ii) complexes with asymmetric tridentate ligands (2019)
Journal Article
Saiki, R., Miyamoto, H., Sagayama, H., Kumai, R., Newton, G. N., Shiga, T., & Oshio, H. (2019). Substituent dependence on the spin crossover behaviour of mononuclear Fe(ii) complexes with asymmetric tridentate ligands. Dalton Transactions, 48(10), 3231-3236. https://doi.org/10.1039/c9dt00204a

Three mononuclear iron(II) complexes of the formula [FeII(H2L1-3)2](BF4)2.x(solv.) (H2L1-3 = 2-[5-(R-phenyl)-1H-pyrazole-3-yl] 6-benzimidazole pyridine; H2L1: R = 4-methylphenyl, H2L2, R = 2,4,6-trimethylphenyl, H2L3, R = 2,3,4,5,6pentamethylphenyl)... Read More about Substituent dependence on the spin crossover behaviour of mononuclear Fe(ii) complexes with asymmetric tridentate ligands.

Carboxylic acid functionalized spin-crossover iron(II) grids for tunable switching and hybrid electrode fabrication (2018)
Journal Article
Shiga, T., Sato, Y., Tachibana, M., Sato, H., Matsumoto, T., Sagayama, H., …Oshio, H. (2018). Carboxylic acid functionalized spin-crossover iron(II) grids for tunable switching and hybrid electrode fabrication. Inorganic Chemistry, 57(22), 14013-14017. https://doi.org/10.1021/acs.inorgchem.8b01856

Two carboxyl-substituted iron(II) grids, one protonated, [Fe4(HL)4](BF4)4·4MeCN·AcOEt (1), and the other deprotonated, [Fe4(L)4]·DMSO·EtOH (2), where H2L = 4-{4,5-bis[6-(3,5-dimethylpyrazol-1-yl)pyrid-2-yl]-1H-imidazol-2-yl}benzoic acid, were synthes... Read More about Carboxylic acid functionalized spin-crossover iron(II) grids for tunable switching and hybrid electrode fabrication.

Tuning the electronic structure of organic–inorganic hybrid polyoxometalates: The crucial role of the covalent linkage (2018)
Journal Article
Kibler, A. J., & Newton, G. N. (2018). Tuning the electronic structure of organic–inorganic hybrid polyoxometalates: The crucial role of the covalent linkage. Polyhedron, 154, 1-20. https://doi.org/10.1016/j.poly.2018.06.027

The covalent organofunctionalization of polyoxometalates (POMs) has been widely used to both control and enhance their redox properties, particularly for applications in catalysis, energy storage, optics and molecular magnetism. The design of such sy... Read More about Tuning the electronic structure of organic–inorganic hybrid polyoxometalates: The crucial role of the covalent linkage.