Polyoxometalate driven dendrite-free zinc electrodes with synergistic effects of cation and anion cluster regulation

2021 ◽  
Vol 9 (11) ◽  
pp. 7025-7033
Author(s):  
Hai-Yang Wu ◽  
Xingxing Gu ◽  
Peng Huang ◽  
Chuang Sun ◽  
Hai Hu ◽  
...  
Keyword(s):  
Synergistic Effects ◽  
Electrolyte Additives ◽  
Highly Efficient ◽  
Anion Cluster ◽  
Free Zinc ◽  
Anions And Cations

Dendrite-free Zn anodes are achieved by using the highly efficient electrolyte additives based on polyoxometalate. Both of the anions and cations of polyoxometalate play important roles in inhibiting the growth Zn dendrites.

scholarly journals High-throughput Production of ZnO-MoS2-Graphene Heterostructures for Highly Efficient Photocatalytic Hydrogen Evolution

Materials ◽  
2019 ◽  
Vol 12 (14) ◽  
pp. 2233 ◽  
Author(s):  
Haocong Dong ◽  
Junzhu Li ◽  
Mingguang Chen ◽  
Hongwei Wang ◽  
Xiaochuan Jiang ◽  
...  
Keyword(s):  
Visible Light ◽  
Hydrogen Evolution ◽  
High Throughput ◽  
Hydrogen Generation ◽  
Synergistic Effects ◽  
Industrial Applications ◽  
High Electron ◽  
Photocatalytic Efficiency ◽  
Highly Efficient ◽  
High Efficient

High-throughput production of highly efficient photocatalysts for hydrogen evolution remains a considerable challenge for materials scientists. Here, we produced extremely uniform high-quality graphene and molybdenum disulfide (MoS2) nanoplatelets through the electrochemical-assisted liquid-phase exfoliation, out of which we subsequently fabricated MoS2/graphene van der Waals heterostructures. Ultimately, zinc oxide (ZnO) nanoparticles were deposited into these two-dimensional heterostructures to produce an artificial ZnO/MoS2/graphene nanocomposite. This new composite experimentally exhibited an excellent photocatalytic efficiency in hydrogen evolution under the sunlight illumination ( λ > 400   n m ), owing to the extremely high electron mobilities in graphene nanoplatelets and the significant visible-light absorptions of MoS2. Moreover, due to the synergistic effects in MoS2 and graphene, the lifetime of excited carriers increased dramatically, which considerably improved the photocatalytic efficiency of the ZnO/MoS2/graphene heterostructure. We conclude that the novel artificial heterostructure presented here shows great potential for the high-efficient photocatalytic hydrogen generation and the high throughput production of visible-light photocatalysts for industrial applications.

Multiple Temporal‐Scale Photocarrier Dynamics Induced by Synergistic Effects of Fluorination and Chlorination in Highly Efficient Nonfullerene Organic Solar Cells

Solar RRL ◽  
2020 ◽  
Vol 4 (4) ◽  
pp. 1900552 ◽  
Author(s):  
Kang-Ning Zhang ◽  
Meng-Si Niu ◽  
Zhi-Nan Jiang ◽  
Zhi-Hao Chen ◽  
Tong Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Synergistic Effects ◽  
Temporal Scale ◽  
Highly Efficient

scholarly journals Multiple Temporal‐Scale Photocarrier Dynamics Induced by Synergistic Effects of Fluorination and Chlorination in Highly Efficient Nonfullerene Organic Solar Cells

Solar RRL ◽  
2020 ◽  
Vol 4 (4) ◽  
pp. 2070046
Author(s):  
Kang-Ning Zhang ◽  
Meng-Si Niu ◽  
Zhi-Nan Jiang ◽  
Zhi-Hao Chen ◽  
Tong Wang ◽  
...  
Keyword(s):  
Solar Cells ◽  
Organic Solar Cells ◽  
Synergistic Effects ◽  
Temporal Scale ◽  
Highly Efficient

scholarly journals Uncovering the origin of enhanced field emission properties of rGO–MnO2 heterostructures: a synergistic experimental and computational investigation

RSC Advances ◽  
2020 ◽  
Vol 10 (43) ◽  
pp. 25988-25998 ◽  
Author(s):  
Sachin R. Rondiya ◽  
Indrapal Karbhal ◽  
Chandradip D. Jadhav ◽  
Mamta P. Nasane ◽  
Thomas E. Davies ◽  
...  
Keyword(s):  
Field Emission ◽  
Synergistic Effects ◽  
Optoelectronic Devices ◽  
Interfacial Bonding ◽  
Electronic Interaction ◽  
Computational Investigation ◽  
Emission Properties ◽  
Field Emission Properties ◽  
Highly Efficient

The unique structural merits of heterostructured nanomaterials including the electronic interaction, interfacial bonding and synergistic effects make them attractive for fabricating highly efficient optoelectronic devices.

Synergistic effects of hydrogen bonds and the hybridized excited state observed for high-efficiency, deep-blue fluorescent emitters with narrow emission in OLED applications

2019 ◽  
Vol 7 (18) ◽  
pp. 5461-5467 ◽  
Author(s):  
Xu Qiu ◽  
Yuwei Xu ◽  
Cong Wang ◽  
Muddasir Hanif ◽  
Jiadong Zhou ◽  
...  
Keyword(s):  
Excited State ◽  
Hydrogen Bonds ◽  
High Efficiency ◽  
Synergistic Effects ◽  
Highly Efficient ◽  
Deep Blue ◽  
Narrow Emission

A highly efficient deep-blue OLED with narrow emission induced by the synergistic effects of H-bonds and the HLCT excited-state of TPA-PPI-OH was achieved.

scholarly journals Screening Highly Efficient Hetero-Diatomic Doped PC6 Electrocatalysts For Selective Nitrogen Reduction to Ammonia

2021 ◽  
Author(s):  
Qiuling Jiang ◽  
Yanan Meng ◽  
Kai Li ◽  
Ying Wang ◽  
Zhijian Wu
Keyword(s):  
Density Functional ◽  
Rational Design ◽  
Synergistic Effects ◽  
Reduction Reaction ◽  
Functional Theory ◽  
Faradaic Efficiency ◽  
Nitrogen Reduction ◽  
Highly Efficient ◽  
Metal Atoms ◽  
Transition Metal Atoms

Abstract Searching for highly efficient electrocatalysts toward nitrogen reduction reaction (NRR) is an important but challenging task for nitrogen utilization in industry. Here we have systematically designed a series of hetero-diatomic catalysts (DACs), in which transition metal atoms (Ti, V, Cr, Mn, Fe, Co, and Ni) are dispersed on PC6 monolayer to form AB@PC6 (A, B= Ti, V, Cr, Mn, Fe, Co, and Ni). Employing density functional theory (DFT) calculation, the V and Cr co-doped PC6 monolayer (VCr@PC6) among the 21 AB@PC6 catalysts is the most promising catalyst due to its low limiting potential of -0.41V, relatively low energy barrier, and high ammonia selectivity toward hydrogen evolution reaction (HER). Insights on the high NRR activity of VCr@PC6 are also explored. The synergistic effect in DACs facilitates the electron transfer from metal pairs to PC6 monolayer, as well as suppresses the HER, leading to high selectivity and Faradaic efficiency. This work not only aims to seek the efficient DACs towards N2 reduction but also provides insights towards synergistic effects between hetero-atoms for the rational design of DACs.

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