CHEMICAL SCIENCE

Tsinghua University hosted the first issue of the international journal Polyoxometalates


Polyoxometalates(ISSN 2957-9821) is the first international interdisciplinary academic journal in the field of polymetallic oxygen clusters sponsored by Tsinghua University, aiming to disseminate the latest progress of cutting-edge basic research and innovative applied research in the field of polymetallic oxygen clusters, and is committed to building a first-class international academic exchange platform for scholars in the field of polymetallic oxygen clusters at home and abroad, and promoting academic exchanges and development in the field of polymetallic oxygen clusters. Founded in 2022 and edited by Professor Wei Yongge of Tsinghua University, the first issue was officially published on the SciOpen platform of Tsinghua University Press in September 2022, and the full text is open access.

PolyoxometalatesThe publications cover all aspects of original research in the field of polymetallic oxygen clusters, including synthesis, assembly, theoretical calculations, supramolecules, molecular devices and other functional materials based on polymetallic oxygen clusters, and the applications of polymetallic oxygen clusters in catalysis, energy, environment, biology and medicine. As the world’s first academic journal in the field of polymetallic oxygen clusters,PolyoxometalatesIt is committed to gathering authoritative consultants, excellent authors and professional editors in related fields around the world, and striving to build one of the most influential international academic journals in the field of polymetallic oxygen clusters. In addition to publishing original research articles, research letters, reviews, news, expert opinions, research highlights and reviews from related fields will be published. Under the organization of the academic editorial team of Tsinghua University led by Professor Wei Yongge, the journal has an editorial board of 54 scholars from the world’s highest international academic reputation and influence in the field of polymetallic oxygen clusters, and 23 elite rising stars in the field of polymetallic oxygen clusters as young editorial board members.

The first issue has published 1 editor-in-chief’s message, 1 review paper and 5 original research papers. All papers are open access, identify the QR code or click “Read Original” at the end of the article to download and read the article for free:

Editorial

Polyoxometalates: An interdisciplinary journal centered on all aspects of polyoxometalates

Yongge Wei*

Polyoxometalates, 2022, 1, 9140014

https://doi.org/10.26599/POM.2022.9140014

Review Article

Polyoxometalate-based nanostructures for electrocatalytic and photocatalytic CO2 reduction

Dejin Zang* and Haiqing Wang

The advancement and challenges of polyoxometalates-based nanostructures upon electro/photo chemical catalytic carbon dioxide reduction reaction are illustrated in this review.

Associate Professor Zang Dejin (corresponding author) of Shandong First Medical University and Associate Professor Wang Haiqing of Jinan UniversityThe application research of polymetallic oxygen cluster-based nanomaterials in photo/electrocatalytic CO2RR conversion in recent years is collected and summarized, and the challenges and opportunities in this field are discussed, which provides a good reference for the continuous development of this field.

Polyoxometalates, 2022, 1, 9140006

https://doi.org/10.26599/POM.2022.9140006

Research Articles

Fast degradation of phenol over porphyrin-polyoxometalate composite photocatalysts under visible light

Zhinan Xia, Libo Wang, Qiu Zhang, Fengyan Li*, and Lin Xu*

Two new composite catalysts were designed with [5,10,15,20-tetra-(4-carboxylphenyl)-porphyrinato]-ferric chloride (FeTCPP) and H3PW12O40 (PW12)/H3PMo12O40 (PMo12). As final result, phenol was almost completely photodegraded in 10 min with FeTCPP-PMo12 photocatalyst.

The research group of Professor Li Fengyan and Professor Xu Lin of Northeast Normal UniversityTwo FeTCPP-PW12 and FeTCPP-PMo12 composite catalysts were synthesized by metalloporphyrin FeTCPP and polyacid by one-step precipitation, and their photocatalytic degradation of p-phenol was studied. FeTCPP-PW12 as a catalyst under visible light irradiation, phenol conversion can reach nearly 100% within 20 minutes. In addition, the FeTCPP-PMo12 catalyst responds significantly to visible light, allowing phenol to be almost completely degraded and mineralized within 10 minutes. The two binary hybrid catalysts designed and synthesized can still maintain good activity and stability after 5 cycles.

Polyoxometalates, 2022, 1, 9140001

https://doi.org/10.26599/POM.2022.9140001

Combining Ti4(embonate)6 cages and [Pb4(OH)4]4+ clusters for enhanced third-order nonlinear optical property

Rui-Yan Chen, Yan-Ping He*, and Jian Zhang*

By employing the Ti4L6 (L = embonate) cages to assembly with Pb2+ ions, a three-dimensional (3D) cage-cluster based framework with good third-order nonlinear optical (NLO) property is constructed.

The research group of researcher Zhang Jian of the Fujian Institute of Biological Structure, Chinese Academy of Sciences designed a tetrahedral cage consisting of Ti4L6 (L = bishydroxynaphthoate) and cubic alkane[Pb4(μ3-OH)4]PTC-290, a novel cage-cluster-based frame material composed of 4+ clusters, exhibits high stability in water, air and other common solvents. Interestingly, under the combination and synergy of cage clusters, the material exhibits an enhanced third-order nonlinear optical response.

Polyoxometalates, 2022, 1, 9140002

https://doi.org/10.26599/POM.2022.9140002

Grain boundaries passivation of high efficiency and stable perovskite photodetector by polyoxometalate-based composite SiW11@ZIF-8

Sijie Duan, Xueying Xu, Weilin Chen*, Jingjing Zhi, and Fengrui Li

We modified the perovskite layer by dispersing the vacancy polyoxometalates K8[α-SiW11O39]· H2O ({SiW11}) in ZIF-8. SiW11@ZIF-8 can tune the energy levels between the perovskite layer and the electron transport layer and effectively passivate the grain boundaries. The photocurrent of the device reaches 41.95 μA, which is three times higher than the blank one, and it can still maintain more than 90% stability for nearly 700 hours in the unpackaged condition.

Professor Chen Weilin’s research group of the Key Laboratory of Polyacids and Grid Materials Chemistry, Ministry of Education, Northeast Normal UniversityBy the absence of polyacid K8[α-SiW11O39]· H2O ({SiW11}) was encapsulated in an organometallic framework (ZIF-8) to prepare a polyacid-based metal-organic framework material SiW11@ZIF-8. By modifying the perovskite layer as an additive, {SiW11} not only adjusts the energy level between the perovskite layer and the electron transport layer, but also the hydrogen bond formed between the polyacid composite and the perovskite can effectively passivate the grain boundaries of the perovskite layer.

Polyoxometalates, 2022, 1, 9140003

https://doi.org/10.26599/POM.2022.9140003

Anderson-type polyoxometalate-based sandwich complexes bearing a new “V”-like bis-imidazole-bis-amide ligand as electrochemical sensors and catalysts for sulfide oxidation

Yue Zhang, Xiang Wang, Yue Wang, Na Xu, and Xiu-Li Wang*

Three Anderson-type polyoxometalate-based sandwich-like complexes were constructed from Zn2+/Ni2+/Co2+ ions and a new “V”-like bis-imidazole-bis-amide ligand, which not only exhibit excellent electrochemical sensing performance for Cr(VI), Fe(III), BrO3− and NO2− ions, but also can serve as catalysts for oxidation of sulfide.

Professor Wang Xiuli’s research group at Bohai UniversityBy to Anderson type polyacid[TeMo6O24]6−/[AlMo6(OH)6O18]A new “V” semi-rigid bisimidazole-bisamide ligand (4,4′-bis(1H-imidazole-4-pyridinecarboxamide)phenylmethane, L, L) was introduced into the 3− reaction system, and three sandwich-type POMOCs containing different metal ions Zn, Ni and Co were successfully synthesized under solvothermal conditions. POMOCs have excellent electrochemical sensing performance against Cr(VI), Fe(III), BrO3− and NO2−, and exhibit high catalytic oxidation activity of 99.5% and high selectivity of > 99% in heterogeneous catalytic sulfide oxidation.

Polyoxometalates, 2022, 1, 9140004

https://doi.org/10.26599/POM.2022.9140004

Construction of hydrogel composites with superior proton conduction and flexibility using a new POM-based inorganic–organic hybrid

Yuxin Wang, Ying Lu*, Wensha Zhang, Tianyi Dang, Yanli Yang, Xue Bai, and Shuxia Liu*

In this study, a new conductive polyoxometalate (POM)-based inorganic–organic hybrid H[Zn(Hapca)3][PW12O40]·7H2O 1 (Hapca = 3-aminopyrazine-2-carboxylic acid), was synthesized. And 1 was incorporated into the poly(vinyl alcohol) (PVA)/glycerol (Gly) hydrogel, forming a hydrogel composite with high proton conductivity and good flexibility.

Professor Liu Shuxia and Professor Lu Ying’s research group of Northeast Normal UniversityA novel polyacid-organic hybrid H was designed and synthesized[Zn(Hapca)3][PW12O40]7H2O (Hapca=3-aminopyrazine-2-carboxylic acid) and introduced it into polyvinyl alcohol (PVA)/glycerol (Gly) hydrogels to obtain a hydrogel composite. The composite combines the advantages of its components and achieves a proton conductivity of 1.11×10−2S at ambient humidity and 75°C·cm−1, which is the leading level among the reported polyacid matrix composites. In addition, it has good elasticity and toughness, as well as high strain sensitivity. In this work, crystalline polyacid-based organic-inorganic hybrid materials are introduced into hydrogels for the first time, which provides a new idea for converting crystalline polyacid-based inorganic-organic hybrid materials into materials with good mechanical properties.

Polyoxometalates, 2022, 1, 9140005

https://doi.org/10.26599/POM.2022.9140005

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