A new strategy for integrating superior mechanical performance and high volumetric energy density into a Janus graphene film for wearable solid-state supercapacitors

A new strategy for integrating superior mechanical performance and high volumetric energy density into Janus graphene films for wearable solid-state supercapacitors.

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Free-standing manganese oxide on flexible graphene films as advanced electrodes for stable, high energy-density solid‐state zinc-ion batteries

Chemical Engineering Journal ◽

10.1016/j.cej.2021.128916 ◽

2021 ◽

Vol 414 ◽

pp. 128916

Author(s):

Young-Geun Lee ◽

Jaeyeon Lee ◽

Geon−Hyoung An

Keyword(s):

Solid State ◽

Energy Density ◽

Manganese Oxide ◽

High Energy ◽

Zinc Ion ◽

High Energy Density ◽

Free Standing ◽

Graphene Films

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Flexible quasi-solid-state planar micro-supercapacitor based on cellular graphene films

Materials Horizons ◽

10.1039/c7mh00441a ◽

2017 ◽

Vol 4 (6) ◽

pp. 1145-1150 ◽

Cited By ~ 103

Author(s):

Yuanlong Shao ◽

Jianmin Li ◽

Yaogang Li ◽

Hongzhi Wang ◽

Qinghong Zhang ◽

...

Keyword(s):

Solid State ◽

Polyvinyl Alcohol ◽

High Performance ◽

Active Material ◽

Graphene Film ◽

Gel Electrolyte ◽

Porous Graphene ◽

Graphene Films

Quasi-solid-state micro-supercapacitors with cellular graphene film as the active material and polyvinyl alcohol/H3PO4as the gel electrolyte have been fabricated. The 3D porous graphene films not only serve as high performance supercapacitor electrodes, but also provide an abundant ion reservoir for the gel electrolyte.

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Facile synthesis of metal @ carbon sphere/graphene film electrodes with enhanced energy density for flexible asymmetric all-solid-state supercapacitors

Journal of Electroanalytical Chemistry ◽

10.1016/j.jelechem.2019.113199 ◽

2019 ◽

Vol 847 ◽

pp. 113199 ◽

Cited By ~ 2

Author(s):

Lanshu Xu ◽

Yue Li ◽

Chen Cheng ◽

Jianmin Gao ◽

Xiaojuan Jin ◽

...

Keyword(s):

Solid State ◽

Energy Density ◽

Graphene Film ◽

Carbon Sphere ◽

Facile Synthesis

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Visualization and Manipulation of Molecular Motion in Solid State through Photo-Induced Clusteroluminescence

10.26434/chemrxiv.8280464 ◽

2019 ◽

Author(s):

Haoke Zhang ◽

Lili Du ◽

Lin Wang ◽

Junkai Liu ◽

Qing Wan ◽

...

Keyword(s):

Quantum Mechanics ◽

Excited State ◽

Solid State ◽

Light Source ◽

Molecular Motion ◽

Molecular Machine ◽

Conjugated Molecules ◽

Time Resolved ◽

Packing Structure ◽

New Strategy

Building molecular machine has long been a dream of scientists as it is expected to revolutionize many aspects of technology and medicine. Implementing the solid-state molecular motion is the prerequisite for a practical molecular machine. However, few works on solid-state molecular motion have been reported and it is almost impossible to “see” the motion even if it happens. Here the light-driven molecular motion in solid state is discovered in two non-conjugated molecules s-DPE and s-DPE-TM, resulting in the formation of excited-state though-space complex (ESTSC). Meanwhile, the newly formed ESTSC generates an abnormal visible emission which is termed as clusteroluminescence. Notably, the original packing structure can recover from ESTSC when the light source is removed. These processes have been confirmed by time-resolved spectroscopy and quantum mechanics calculation. This work provides a new strategy to manipulate and “see” solid-state molecular motion and gains new insights into the mechanistic picture of clusteroluminescence.

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Experimental and numerical analysis to identify the performance limiting mechanisms in solid-state lithium cells under pulse operating conditions

Physical Chemistry Chemical Physics ◽

10.1039/c9cp03886h ◽

2019 ◽

Vol 21 (41) ◽

pp. 22740-22755 ◽

Cited By ~ 2

Author(s):

Mei-Chin Pang ◽

Yucang Hao ◽

Monica Marinescu ◽

Huizhi Wang ◽

Mu Chen ◽

...

Keyword(s):

Solid State ◽

Numerical Analysis ◽

Energy Density ◽

Lithium Ion Batteries ◽

Lithium Batteries ◽

Safety Concern ◽

Lithium Ion ◽

Thermal Runaway ◽

Operating Conditions ◽

Lithium Cells

Solid-state lithium batteries could reduce the safety concern due to thermal runaway while improving the gravimetric and volumetric energy density beyond the existing practical limits of lithium-ion batteries.

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Vertical monolithic integration of wide- and narrow-bandgap semiconductor nanostructures on graphene films

NPG Asia Materials ◽

10.1038/s41427-021-00301-3 ◽

2021 ◽

Vol 13 (1) ◽

Author(s):

Youngbin Tchoe ◽

Janghyun Jo ◽

HoSung Kim ◽

Heehun Kim ◽

Hyeonjun Baek ◽

...

Keyword(s):

Graphene Film ◽

Monolithic Integration ◽

Hybrid Nanostructures ◽

Dual Wavelength ◽

Multilayer Graphene ◽

Graphene Films ◽

Transmission Electron ◽

Zno Nanotubes ◽

Metal Organic ◽

Hybrid Configuration

AbstractWe report monolithic integration of indium arsenide (InAs) nanorods and zinc oxide (ZnO) nanotubes using a multilayer graphene film as a suspended substrate, and the fabrication of dual-wavelength photodetectors with the hybrid configuration of these materials. For the hybrid nanostructures, ZnO nanotubes and InAs nanorods were grown vertically on the top and bottom surfaces of the graphene films by metal-organic vapor-phase epitaxy and molecular beam epitaxy, respectively. The structural, optical, and electrical characteristics of the hybrid nanostructures were investigated using transmission electron microscopy, spectral photoresponse analysis, and current–voltage measurements. Furthermore, the hybrid nanostructures were used to fabricate dual-wavelength photodetectors sensitive to both ultraviolet and mid-infrared wavelengths.

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