Rapidly one-step fabrication of durable superhydrophobic graphene surface with high temperature resistance and self-clean

Zhang, Zhen; Chang, Haozhe; Wang, Peng; Zhang, Guojun

doi:10.1016/j.jcis.2024.09.221

Journal of Colloid and Interface Science

2025

DOI: 10.1016/j.jcis.2024.09.221

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Rapidly one-step fabrication of durable superhydrophobic graphene surface with high temperature resistance and self-clean

Zhen Zhang,

Haozhe Chang,

Peng Wang

et al.

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Cited by 4 publications

References 57 publications

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Recent advances in bioleaching and biosorption of metals from waste printed circuit boards: A review

Hu,

Wang,

et al. 2024

Journal of Environmental Management

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Recent advances in bioleaching and biosorption of metals from waste printed circuit boards: A review

Hu,

Wang,

et al. 2024

Journal of Environmental Management

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Self-Powered Handwritten Letter Recognition Based on a Masked Triboelectric Nanogenerator for Intelligent Personal Protective Equipment

Ming,

Zhao,

Zhang

et al. 2024

ACS Appl. Mater. Interfaces

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As one of the most important ways of human−machine interfaces, the touchpad has excellent input convenience. Input devices for extreme environments require simpler structures and diverse inputs to ensure information inputs. This paper proposed a self-powered flexible input panel with single-channel output for the input recognition of all 26 letters, and a paper mask was implemented to cover the triboelectric nanogenerator (TENG) board and obtain more complicated electrical signal features. Based on the change of the triboelectric output of the mask, neural network models with different combinations of layers were designed and optimized, and the highest recognition rate of 88.7% for all letters and 100% recognition accuracy for some letters were achieved among the five testers. For letters with low recognition rates, a specific writing specification was further proposed to improve the accuracy of model recognition. These results facilitate the application of the proposed input panel as a flexible wearable device and personal protective equipment for extreme environments including chemical, biological, radiological, nuclear (CBRN) scenarios or aerospace.

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Superhydrophobic Surfaces as a Potential Skin Coating to Prevent Jellyfish Stings: Inhibition and Anti-Tentacle Adhesion in Nematocysts of Jellyfish Nemopilema nomurai

Xie,

Sun,

et al. 2024

Materials

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The development of skin-protective materials that prevent the adhesion of cnidarian nematocysts and enhance the mechanical strength of these materials is crucial for addressing the issue of jellyfish stings. This study aimed to construct superhydrophobic nanomaterials capable of creating a surface that inhibits nematocyst adhesion, therefore preventing jellyfish stings. We investigated wettability and nematocyst adhesion on four different surfaces: gelatin, polydimethylsiloxane (PDMS), dodecyl trichlorosilane (DTS)-modified SiO2, and perfluorooctane triethoxysilane (PFOTS)-modified TiO2. Our findings revealed that an increase in hydrophobicity significantly inhibited nematocyst adhesion. Furthermore, DTS-modified sprayed SiO2 and PFOTS-modified sprated TiO2 were further enhanced with low-surface-energy substances—cellulose nanofibers (CNF) and chitin nanocrystals (ChNCs)—to improve both hydrophobicity and mechanical strength. After incorporating CNF and ChNCs, the surface of s-TiO2-ChNCs exhibited a contact angle of 153.49° even after undergoing abrasion and impact tests, and it maintained its hydrophobic properties with a contact angle of 115.21°. These results indicate that s-TiO2-ChNCs can serve as an effective skin coating to resist tentacle friction. In conclusion, this study underscores the importance of utilizing hydrophobic skin materials to inhibit the adhesion of tentacle nematocysts, providing a novel perspective for protection against jellyfish stings.

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Rapidly one-step fabrication of durable superhydrophobic graphene surface with high temperature resistance and self-clean

Cited by 4 publications

References 57 publications

Recent advances in bioleaching and biosorption of metals from waste printed circuit boards: A review

Recent advances in bioleaching and biosorption of metals from waste printed circuit boards: A review

Self-Powered Handwritten Letter Recognition Based on a Masked Triboelectric Nanogenerator for Intelligent Personal Protective Equipment

Superhydrophobic Surfaces as a Potential Skin Coating to Prevent Jellyfish Stings: Inhibition and Anti-Tentacle Adhesion in Nematocysts of Jellyfish Nemopilema nomurai

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