ArticleJournal of the American Chemical Society2013
Superhydrophobic photosensitizers. Mechanistic studies of (1)O2 generation in the plastron and solid/liquid droplet interface.
Article in Journal of the American Chemical Society, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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Who cites it
17 citing papers in PubMed.
- AirborneAdvanced healthcare materials · 2026Article
- A Scalable Singlet Oxygen Reactor for Photodegradation of Active Pharmaceutical Compounds and Disinfection.ACS ES&T water · 2026Article
- Air-Liquid-Solid Triphase Interfacial Microenvironment Regulation for Efficient Visible-Light-Driven Photooxidation Based on Ordered TiOBiomimetics (Basel, Switzerland) · 2026Article
- High Singlet Oxygen Yields from a Polymer-Supported Photosensitizer via Superhydrophobicity and Control of Photosensitizer Morphology.Applied surface science · 2025Article
- Superhydrophobic Dressing for Singlet Oxygen Delivery in Antimicrobial Photodynamic Therapy against Multidrug-Resistant Bacterial Biofilms.ACS applied bio materials · 2024Article
- Superhydrophobic Tipped Antimicrobial Photodynamic Therapy Device for theACS applied materials & interfaces · 2023Article
- Evaluation of photosensitizer-containing superhydrophobic surfaces for the antibacterial treatment of periodontal biofilms.Journal of photochemistry and photobiology. B, Biology · 2022Article
- Recoverable underwater superhydrophobicity from a fully wetted state via dynamic air spreading.iScience · 2021Article
- Antimicrobial Photodynamic Inactivation Using Topical and Superhydrophobic Sensitizer Techniques: A Perspective from Diffusion in Biofilms.Photochemistry and photobiology · 2021Review
- Enhanced catalytic reaction at an air-liquid-solid triphase interface.Chemical science · 2020Review
- Efficient Hydrogen Peroxide Generation Utilizing Photocatalytic Oxygen Reduction at a Triphase Interface.iScience · 2019Article
- Green Approach for Metal Oxide Deposition at an Air-Liquid-Solid Triphase Interface with Enhanced Photocatalytic Activity.ACS omega · 2019Article
- Superhydrophobic Photosensitizers: AirborneACS applied materials & interfaces · 2018Article
- Air-Water Interface Effects on the Regioselectivity of Singlet Oxygenations of a Trisubstituted Alkene.Tetrahedron letters · 2015Article
- Singlet oxygen generation on porous superhydrophobic surfaces: effect of gas flow and sensitizer wetting on trapping efficiency.The journal of physical chemistry. A · 2014Article
- Effect of treatment frequency on the efficacy of superhydrophobic antimicrobial photodynamic therapy of periodontitis in a wistar rat model.Photochemistry and photobiologyArticle
- Singlet oxygen generation on a superhydrophobic surface: Effect of photosensitizer coating and incident wavelength onPhotochemistry and photobiologyArticle
Corrections and comments
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Authors and funding
8 authors.
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Abstract
We describe here a physical-organic study of the first triphasic superhydrophobic sensitizer for photooxidations in water droplets. Control of synthetic parameters enables the mechanistic study of "borderline" two- and three-phase superhydrophobic sensitizer surfaces where (1)O2 is generated in compartments that are wetted, partially wetted, or remain dry in the plastron (i.e., air layer beneath the droplet). The superhydrophobic surface is synthesized by partially embedding silicon phthalocyanine (Pc) sensitizing particles to specific locations on polydimethylsiloxane (PDMS) posts printed in a square array (1 mm tall posts on 0.5 mm pitch). In the presence of red light and oxygen, singlet oxygen is formed on the superhydrophobic surface and reacts with 9,10-anthracene dipropionate dianion (1) within a freestanding water droplet to produce an endoperoxide in 54-72% yields. Control of the (1)O2 chemistry was achieved by the synthesis of superhydrophobic surfaces enriched with Pc particles either at the PDMS end-tips or at PDMS post bases. Much of the (1)O2 that reacts with anthracene 1 in the droplets was generated by the sensitizer "wetted" at the Pc particle/water droplet interface and gave the highest endoperoxide yields. About 20% of the (1)O2 can be introduced into the droplet from the plastron. The results indicate that the superhydrophobic sensitizer surface offers a unique system to study (1)O2 transfer routes where a balance of gas and liquid contributions of (1)O2 is tunable within the same superhydrophobic surface.
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