Fabrication and photoelectric properties of a graphene-silicon nanowire heterojunction on a flexible polytetrafluoroethylene substrate

Hu, Jichao; Li, Lianbi; Wang, Rong; Chen, Hong; Xu, Yongkang; Yuan, Zhimin; Li, Zebin; Feng, Songlin; Lei, Qianqian; Xia, Cai-Juan; Cho, Jeong-Hyun

doi:10.1016/j.matlet.2020.128599

Cited by 6 publications

(5 citation statements)

References 19 publications

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“…11, the presence of GO was conrmed in all the samples, and a peak corresponding to Si (520 cm −1 ) was detected in the silicon nanowires samples. 66,67 The D band, located at 1319-1346 cm −1 corresponds to the presence of defects in the hexagonal structure of the graphene, while the G band (graphitic, located at 1576-1580 cm −1 ) is associated with the sp 2 carbon structures. The 2D band stands for the coherent double resonant process and is an indicator of the graphene layers in the sample.…”

Section: Characterization Of Silicon Nanowires Aer Electrochemical T...mentioning

confidence: 99%

Photoelectrocatalytic activity of silicon nanowires decorated with electroless copper nanoparticles and graphene oxide using a plasma jet for removal of methyl orange under visible light

et al. 2023

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Section: Characterization Of Silicon Nanowires Aer Electrochemical T...mentioning

confidence: 99%

Photoelectrocatalytic activity of silicon nanowires decorated with electroless copper nanoparticles and graphene oxide using a plasma jet for removal of methyl orange under visible light

et al. 2023

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“…Amongst the different types of polymers, the most stable are the polyfluorocarbons [poly (vinylidene difluoride) (PVDF), poly (tetrafluoroethylene (PTFE)], silicones, and polymethylmethacrylate (PMMA) [ 8 ]. These polymers do not absorb UV light and are difficult to oxidize.…”

Section: Plastics Degradationmentioning

confidence: 99%

A Review of Weathering Studies in Plastics and Biocomposites—Effects on Mechanical Properties and Emissions of Volatile Organic Compounds (VOCs)

Nzimande,

Mtibe,

Tichapondwa

et al. 2024

Polymers

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Polymeric materials undergo degradation when exposed to outdoor conditions due to the synergistic effects of sunlight, air, heat, and moisture. The degradation can lead to a decline in mechanical properties, fading, surface cracking, and haziness, attributed to the cleavage of the polymer chains and oxidation reactions. Accelerated weathering testing is a useful technique to evaluate the comparative photodegradation of materials within a reasonable timeframe. This review gives an overview of the different degradation mechanisms occurring in conventional plastics and bio-based materials. Case studies on accelerated weathering and its effect on the mechanical properties of conventional plastics and biocomposites are discussed. Different techniques for analysing volatile organic emissions (VOCs) have been summarized and studies highlighting the characterization of VOCs from aged plastics and biocomposites after aging have been cited.

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“…PMMA&Polydimethylsiloxane (PDMS) Dual Support Transfer: After several attempts, Li [114] found that the surface adhesion between PMMA and graphene/Si nanowire heterojunction is very high, but the strength will deteriorate when it is used as a support film for wet transfer due to the long immersion time, and finally it cannot be completely peeled off; PDMS will not deteriorate in strength during a long immersion time, but its surface adhesion to the graphene/Si nanowire heterojunction is not high enough to achieve the purpose of transferring the graphene/Si nanowire heterojunction.…”

Section: Wet Transfermentioning

confidence: 99%

Flexible 2D Materials beyond Graphene: Synthesis, Properties, and Applications

Gong

et al. 2022

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properties and are proved to be potential in the fields of optoelectronics, photonics, biosensing as well as energy conversion and storage. Although centimeter-scale graphene single crystal has been obtained, it is not suitable for electronic switches in traditional transistors due to its semimetallic nature and large dark-current. Even many technologies have been proposed to create the energy bandgap in graphene, the value is remaining too small to realize practical applications. [2] Therefore, scientists are gradually changing the direction of research focusing on 2D materials beyond graphene, such as transition metal dichalcogenides (TMDs), graphitic carbon nitride, MXenes, hexagonal boron nitride (h-BN), hexagonal metal oxide (h-MO), and transition metal oxides (TMOs). As expected, 2D materials can provide a completely suspended surface without dangling bonds, so that the corresponding devices can minimize the influence of various surface states (Figure 1). [3] Benefitting from these excellent features, the 2D transistor can obtain a very low subthreshold swing (SS≈70 mV decade −1 ), which is comparable to the most advanced silicon (Si) transistor. [4] Due to excellent mechanical flexibility and compatibility with low-temperature manufacturing processes, 2D materials are expected to be used in flexible electronic products with plastic substrates. [5][6][7] The use of 2D materials in flexible electronic products can overcome several technical challenges in systems based on traditional materials, such as low mobility (typically below 10 cm 2 v −1 s −1 ), high driving voltage of organic materials, [8,9] complex technological processes, and large leakage current of polycrystalline Si. [10,11] Beyond their excellent electrical properties, 2D materials also exhibit a high degree of flexibility and transparency. Strong covalent bonds in the plane (Figure 1) make the 2D material mechanically robust, resulting in high fracture strains. [12][13][14] Mechanical robustness makes 2D materials suitable for flexible electronic products (Figure 2 reveals the roadmap of 2D materials used in flexible devices) that are subject to mechanical strain and cyclic stress. In addition, their atomic thickness makes them also suitable for transparent electronic products due to their high transparency in the visible range.In this paper, we first introduce the properties and preparation methods of 2D materials beyond graphene. Then, the applications of 2D materials in flexible devices are reviewed.2D materials are now at the forefront of state-of-the-art nanotechnologies due to their fascinating properties and unique structures. As expected, low-cost, high-volume, and high-quality 2D materials play an important role in the applications of flexible devices. Although considerable progress has been achieved in the integration of a series of novel 2D materials beyond graphene into flexible devices, a lot remains to be known. At this stage of their development, the key issues concern how to make further improvements to highperformance and scal...

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Fabrication and photoelectric properties of a graphene-silicon nanowire heterojunction on a flexible polytetrafluoroethylene substrate

Cited by 6 publications

References 19 publications

Photoelectrocatalytic activity of silicon nanowires decorated with electroless copper nanoparticles and graphene oxide using a plasma jet for removal of methyl orange under visible light

Photoelectrocatalytic activity of silicon nanowires decorated with electroless copper nanoparticles and graphene oxide using a plasma jet for removal of methyl orange under visible light

A Review of Weathering Studies in Plastics and Biocomposites—Effects on Mechanical Properties and Emissions of Volatile Organic Compounds (VOCs)

Flexible 2D Materials beyond Graphene: Synthesis, Properties, and Applications

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