Journal
NANOMATERIALS
Volume 12, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/nano12193311
Keywords
black phosphorus; supercapacitor; carbon nanoparticle; flexible all-solid-state device
Categories
Funding
- National Natural Science Foundation of China [21975280]
- Shenzhen Science and Technology Research Funding [JCYJ20180507182530279, JCYJ20180507182047316]
- Youth Innovation Promotion Association Chinese Academy of Sciences [2020354]
- Guangdong Provincial Natural Science Foundation [2020A1515110378]
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In this study, researchers embedded carbon nanoparticles into the interlayer of two-dimensional black phosphorus microplates, resulting in a BP/carbon nanoframe on the substrate that promotes efficient charge transport. The resulting supercapacitor showed higher capacity and good stability, demonstrating its exceptional performance and potential for various applications.
A flexible all-solid-state supercapacitor with fast charging speed and high power density is a promising high-performance energy storage and sensor device in photovoltaic systems. Two-dimensional black phosphorus (BP) is a prospective electrode nanomaterial, but it struggles to fully exert its properties limited by its self-stacking. Herein, by embedding carbon nanoparticles into the interlayer of BP microplates, the designed BP/carbon nanoframe (BP/C NF) forms a certain nano-gap on the substrate for promoting the orderly transport of charges. The corresponding supercapacitor BP/C SC has a capacity of 372 F g(-1), which is higher than that constructed from BP microplates (32.6 F g(-1)). Moreover, the BP/C SC exhibits good stability with a ca. 90% of capacitance retentions after 10,000 repeated bending and long-term cycles. Thus, the proposed strategy of using BP/carbon nanoframes is feasible to develop exceptional flexible energy devices, and it can guide the design of relevant two-dimensional nanocomposites.
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