Thermal and photochemical degradation of dimethylsulfoxide on TiO2

Huang, Sin Jhang; Lin, Yu Cheng; Lin, Ja‐Chen

doi:10.1016/j.cplett.2012.07.066

Chemical Physics Letters

2012

DOI: 10.1016/j.cplett.2012.07.066

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Thermal and photochemical degradation of dimethylsulfoxide on TiO2

Sin Jhang Huang

Yu Cheng Lin

Ja‐Chen Lin

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Cited by 5 publications

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“…Acetone and acetonitrile remain consistent with this observation as well. The less volatile solvents, DMF, DMSO, and NMP, show some peaks consistent with residual solvent. − The DMF spectrum shows a peak at ∼1600 cm –1 that is absent in pure DMF but consistent with near-ambient dissociative adsorption of DMF onto a Ti 4+ site in titania . The major takeaway of this work primarily lies in the morphologies achievable by simply changing the solvent system of 1DLs.…”

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confidence: 72%

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Schwenk,

Walter,

Barsoum

2024

Nano Lett.

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Herein, the self-assembly of one-dimensional titanium oxide lepidocrocite nanofilaments in 10 different water miscible organic solvents was investigated. The nanofilament snippets, with minimal cross sections of ∼5 × 7 Å2 and lengths around 30 nm, begin as an aqueous colloidal suspension. Upon addition, and brief mixing, of the colloidal suspension into a given solvent, a multitude of morphologiesseemingly based on the hydrophilicity and polarity of the solventemerge. These morphologies vary between sheets, highly networked webs, and discrete fibers, all with no apparent change in the lepidocrocite structure. On the micro- and nanoscale, the morphologies are reminiscent of biological, rather than inorganic, materials. The results of this work give insight into the self-assembly of these materials and offer new pathways for novel macrostructures/morphologies assembled from these highly adsorbent and catalytically active low-dimensional materials.

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confidence: 72%

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Schwenk,

Walter,

Barsoum

2024

Nano Lett.

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Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO₂‐to‐Formate Conversion

Suppaso,

Nakazato,

Nakahata

et al. 2024

Adv Funct Materials

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A nonporous [Pb(tadt)]n (tadt = 1,3,4‐thiadiazole‐2,5‐dithiolate) coordination polymer, KGF‐9, with a 2D infinite (−Pb−S−)n structure has been previously reported as a precious‐metal‐free photocatalyst for selective CO2‐to‐formate conversion under visible light. In the present work, a microwave (MW)‐assisted solvothermal reaction is used to synthesize KGF‐9 with improved physicochemical properties and catalytic activity. Compared with KGF‐9 prepared by the previously reported methods, that prepared by the new synthesis route exhibited a greater specific surface area, greater crystallinity, and greater photoconductivity. These improved properties led to a drastic increase of the apparent quantum yield (AQY) for selective formate production, from 2.6 to 25% at 400 nm; this AQY represents a record‐high value among reported heterogeneous photocatalysts for CO2‐to‐formate conversion. Interestingly, the AQY for formate production is unchanged irrespective of the light intensity (0.04–14 mW cm−2), indicating little contribution of charge accumulation in the bulk during the reaction (i.e., indicating efficient charge transport to surface reactants). When composited with Ketjen Black, KGF‐9 enabled the electrochemical conversion of CO2 to formate in aqueous solution while maintaining a high selectivity. A high‐rate reduction of CO2 to formate with a total absolute current density of 200–300 mA cm−2 is achieved, with a Faradaic efficiency (FE) of >90%.

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Formation of environmentally persistent free radicals from photodegradation of triclosan by metal oxides/silica suspensions and particles

et al. 2022

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Thermal and photochemical degradation of dimethylsulfoxide on TiO2

Cited by 5 publications

References 41 publications

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO₂‐to‐Formate Conversion

Formation of environmentally persistent free radicals from photodegradation of triclosan by metal oxides/silica suspensions and particles

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Thermal and photochemical degradation of dimethylsulfoxide on TiO2

Cited by 5 publications

References 41 publications

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Solvent-Driven Self-Assembly of One-Dimensional Lepidocrocite Titanium-Oxide-Based Nanofilaments

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO2‐to‐Formate Conversion

Formation of environmentally persistent free radicals from photodegradation of triclosan by metal oxides/silica suspensions and particles

Contact Info

Product

Resources

About

Fibrous Pb(II)‐Based Coordination Polymer Operable as a Photocatalyst and Electrocatalyst for High‐Rate, Selective CO₂‐to‐Formate Conversion