Research context and placement

Foundational liquid-repellency review; superamphiphobicity alone does not prove antifouling or immune-response benefits.

Boundary case: assigned to the closest interface for navigation. Read the rationale and cross-links together; the primary theme does not delimit the study. Placement of foundational work does not establish direct bioelectronic application.

Balancing transparency and repellency

A transparent repellent coating cannot be designed by adding roughness alone. Texture can help retain air beneath liquid, but it also affects light scattering. Bending or stretching adds another requirement: the wetting state must survive deformation. This 2018 review examines the resulting constraints on combining repellency, transparency and flexibility.

Three fabrication routes

The three routes address different design choices. Pattern transfer controls texture through molding or replication. Nanoparticle assembly builds rough coatings across different substrates. Thiol–ene functionalization changes surface chemistry and can define regions with different wetting behavior. The useful comparison therefore depends on whether geometry, substrate coverage or chemical patterning is the priority.

Review schematic comparing wetting states on hierarchical micro- and nanostructures.
Figure 2 · Original paper figure

Review schematic comparing six wetting states on hierarchical micro- and nanostructures.

Bichitra Sahoo, Kukro Yoon, Jungmok Seo and Taeyoon Lee (2018). “Chemical and Physical Pathways for Fabricating Flexible Superamphiphobic Surfaces with High Transparency”. Figure 2. DOI: 10.3390/coatings8020047. CC BY 4.0. Rasterized from the PDF at 300 dpi and cropped to the complete figure; figure content is unchanged.

Source figure and caption ↗ · DOI: 10.3390/coatings8020047 ↗ · CC BY 4.0 ↗

Wetting, optics and durability

A high static contact angle does not by itself show that liquid moves readily. Hysteresis and sliding angle help assess retention. Transmission needs its wavelength and substrate context, while durability depends on load, cycle count and abrasion method. Reading these measures together makes tradeoffs visible rather than allowing one favorable metric to stand for overall performance.

Geometry control and substrate coverage

The authors distinguish geometry control in pattern transfer from the substrate versatility of nanoparticle assembly. They also identify gaps in joint optical and mechanical characterization. These are conclusions drawn across reported studies, not results from testing every route in one standardized experiment or identifying a universal optimum.

Standardization and material choices

A central concern in the 2018 review is inconsistent durability evaluation and reporting. Adhesion, bending, abrasion and washing become relevant under different intended uses. Fluorinated-material cost and environmental burden add material-selection constraints. These historical observations are not a current regulatory assessment or a basis for ranking original studies with unmatched test conditions.

Related external research

Designing superoleophobic surfaces

DOI: 10.1126/science.1148326 ↗

Re-entrant curvature, chemistry and roughness provide a specific foundation for low-surface-tension liquid repellency.

PubMed abstract read. It does not establish simultaneous transparency, flexibility and abrasion durability.

Abstract checked

Corresponding-author verification

Jungmok Seo: corresponding author

This record concerns Jungmok Seo’s correspondence designation. Author order or an asterisk alone is not treated as confirmation; this check is separate from verification of the research content.

  • Correspondence evidence source ↗

    Correspondence: [omitted] (J.S.); [omitted] (T.L.)

    PDF p.1; author/correspondence information · publisher_PDF_publicly_hosted_by_author_institution

Main-text review scope
Institution-hosted publisher PDF p.1–26 read: Introduction, wetting models/transitions, all three fabrication-route sections, Applications, Recommendations, Conclusions and figure captions. Table 1 was read. Individual references p.26–32 and original-study data were not independently validated.
Supplementary review scope
No separate SI was identified in the reviewed main document; no SI is claimed as read. This does not establish that no separate SI exists.
Pending verification
Individual references and original-study data were not independently validated. No separate SI was identified in the reviewed main document; neither an SI read nor its absence is established. The review does not establish performance rankings, current regulation or present commercial readiness.

COVERAGE & OUTREACH

Coverage and outreach

Links are checked for their relationship to this paper. Media publication does not establish independent reporting or additional experimental validation.

No related outreach link was verified against its body within these searches. This does not establish that none exists.

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Sources and verification scope

Institution-hosted publisher PDF p.1–26 read: Introduction, wetting models/transitions, all three fabrication-route sections, Applications, Recommendations, Conclusions and figure captions. Table 1 was read. Individual references p.26–32 and original-study data were not independently validated.

The additional commentary is editorially approved within the stated evidence scope. This does not imply complete verification of all main-text and supplementary material.

Additional main-text review scope
Institution-hosted publisher PDF p.1–26 read: Introduction, wetting models/transitions, all three fabrication-route sections, Applications, Recommendations, Conclusions and figure captions. Table 1 was read. Individual references p.26–32 and original-study data were not independently validated.
Additional supplementary review scope
No separate SI was identified in the reviewed main document; no SI is claimed as read. This does not establish that no separate SI exists.