Assembly of recyclable TiO2@AC/CTs through vdW-integrated strategy for photocatalytic and photoelectrocatalytic oxidation

Thus far, recyclable photocatalysts for large-scale applications have hardly been developed because traditional chemical epitaxial growth is typically limited to materials with high lattice matching and processing compatibility. Therefore, photocatalytic degradation of pollutants suffers from disper...

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Veröffentlicht in:Environmental science. Nano 2023-05, Vol.10 (5), p.1468-1481
Hauptverfasser: Hua-jun, Chen, Jian-zhou, Zhang, Xiao-jing, Xi, Wen-jie, Tian
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container_title Environmental science. Nano
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Jian-zhou, Zhang
Xiao-jing, Xi
Wen-jie, Tian
description Thus far, recyclable photocatalysts for large-scale applications have hardly been developed because traditional chemical epitaxial growth is typically limited to materials with high lattice matching and processing compatibility. Therefore, photocatalytic degradation of pollutants suffers from dispersion and recycling of powdery photocatalysts from water. To address this issue, commercial P25 nanospheres are coated with amorphous carbon (AC) to form TiO2@AC core–shell nanospheres, which physically integrate with commercial carbon textiles (CTs) through van der Waals (vdW) interaction to assemble flexible TiO2@AC/CTs. These commercial materials are suitable for the industrial production of TiO2@AC/CTs, which can greatly promote industrial applications of photocatalytic technology. Density functional theory (DFT) calculations reveal that the photo-excited electron tends to transfer from TiO2 to amorphous carbon, which significantly enhances the separation of an electron from a hole in the TiO2@AC core–shell nanosphere. The photoelectrocatalysis of TiO2@AC/CTs exerts unexpected performance through synergistic interactions of photocatalysis and electrocatalysis. TiO2@AC/CTs achieve higher cycle stability than P25 during photocatalytic and photoelectrocatalytic processes and can address the issue of dispersion and recycling technique of particulate photocatalysts and significantly reduce the recycling cost. The assembly of amorphous carbon-coated P25 and CTs into vdW heterostructures through a vdW-integrated strategy can be a general rule to integrate other powdery photocatalysts with CTs to assemble recyclable carbon textile-based catalysts for industrial applications of photocatalysis and photoelectrocatalysis.
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Therefore, photocatalytic degradation of pollutants suffers from dispersion and recycling of powdery photocatalysts from water. To address this issue, commercial P25 nanospheres are coated with amorphous carbon (AC) to form TiO2@AC core–shell nanospheres, which physically integrate with commercial carbon textiles (CTs) through van der Waals (vdW) interaction to assemble flexible TiO2@AC/CTs. These commercial materials are suitable for the industrial production of TiO2@AC/CTs, which can greatly promote industrial applications of photocatalytic technology. Density functional theory (DFT) calculations reveal that the photo-excited electron tends to transfer from TiO2 to amorphous carbon, which significantly enhances the separation of an electron from a hole in the TiO2@AC core–shell nanosphere. The photoelectrocatalysis of TiO2@AC/CTs exerts unexpected performance through synergistic interactions of photocatalysis and electrocatalysis. TiO2@AC/CTs achieve higher cycle stability than P25 during photocatalytic and photoelectrocatalytic processes and can address the issue of dispersion and recycling technique of particulate photocatalysts and significantly reduce the recycling cost. The assembly of amorphous carbon-coated P25 and CTs into vdW heterostructures through a vdW-integrated strategy can be a general rule to integrate other powdery photocatalysts with CTs to assemble recyclable carbon textile-based catalysts for industrial applications of photocatalysis and photoelectrocatalysis.</description><identifier>ISSN: 2051-8153</identifier><identifier>EISSN: 2051-8161</identifier><identifier>DOI: 10.1039/d3en00040k</identifier><language>eng</language><publisher>Cambridge: Royal Society of Chemistry</publisher><subject>Assembly ; Carbon ; Catalysts ; Density functional theory ; Dispersion ; Epitaxial growth ; Heterostructures ; Industrial applications ; Industrial production ; Lattice matching ; Nanospheres ; Oxidation ; Photocatalysis ; Photocatalysts ; Photodegradation ; Recycling ; Textiles ; Titanium dioxide</subject><ispartof>Environmental science. 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Density functional theory (DFT) calculations reveal that the photo-excited electron tends to transfer from TiO2 to amorphous carbon, which significantly enhances the separation of an electron from a hole in the TiO2@AC core–shell nanosphere. The photoelectrocatalysis of TiO2@AC/CTs exerts unexpected performance through synergistic interactions of photocatalysis and electrocatalysis. TiO2@AC/CTs achieve higher cycle stability than P25 during photocatalytic and photoelectrocatalytic processes and can address the issue of dispersion and recycling technique of particulate photocatalysts and significantly reduce the recycling cost. The assembly of amorphous carbon-coated P25 and CTs into vdW heterostructures through a vdW-integrated strategy can be a general rule to integrate other powdery photocatalysts with CTs to assemble recyclable carbon textile-based catalysts for industrial applications of photocatalysis and photoelectrocatalysis.</description><subject>Assembly</subject><subject>Carbon</subject><subject>Catalysts</subject><subject>Density functional theory</subject><subject>Dispersion</subject><subject>Epitaxial growth</subject><subject>Heterostructures</subject><subject>Industrial applications</subject><subject>Industrial production</subject><subject>Lattice matching</subject><subject>Nanospheres</subject><subject>Oxidation</subject><subject>Photocatalysis</subject><subject>Photocatalysts</subject><subject>Photodegradation</subject><subject>Recycling</subject><subject>Textiles</subject><subject>Titanium dioxide</subject><issn>2051-8153</issn><issn>2051-8161</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpNTU1LwzAYDqLgmLv4CwKe6_ImTZveHMUvGOxS8TjS5M3WWZuZZGL_vZOJeHo-eR5CroHdAhPV3AocGGM5ezsjE84kZAoKOP_jUlySWYy7YweAS1GUEzIuYsT3th-pdzSgGU2v2x5p06343aKe102kaRv8YbOln_Y164aEm6ATWhrTD25G6nyg-61P3uik-zF1hurBnizs0aTwL_FfndWp88MVuXC6jzj7xSl5ebhv6qdsuXp8rhfLbA9KpEyW1uWCg2iNUTlap23ORYtYqUIaLlsuJVeOW3AFSOWEPgpTIkAhkTkppuTmtLsP_uOAMa13_hCG4-WaK8iVrArOxDdo12FX</recordid><startdate>20230518</startdate><enddate>20230518</enddate><creator>Hua-jun, Chen</creator><creator>Jian-zhou, Zhang</creator><creator>Xiao-jing, Xi</creator><creator>Wen-jie, Tian</creator><general>Royal Society of Chemistry</general><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>20230518</creationdate><title>Assembly of recyclable TiO2@AC/CTs through vdW-integrated strategy for photocatalytic and photoelectrocatalytic oxidation</title><author>Hua-jun, Chen ; Jian-zhou, Zhang ; Xiao-jing, Xi ; Wen-jie, Tian</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-p183t-57df43213bcc84edfad423bee9865c25b25528f2d1f6158f3a8f2c7e1165e0f53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Assembly</topic><topic>Carbon</topic><topic>Catalysts</topic><topic>Density functional theory</topic><topic>Dispersion</topic><topic>Epitaxial growth</topic><topic>Heterostructures</topic><topic>Industrial applications</topic><topic>Industrial production</topic><topic>Lattice matching</topic><topic>Nanospheres</topic><topic>Oxidation</topic><topic>Photocatalysis</topic><topic>Photocatalysts</topic><topic>Photodegradation</topic><topic>Recycling</topic><topic>Textiles</topic><topic>Titanium dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hua-jun, Chen</creatorcontrib><creatorcontrib>Jian-zhou, Zhang</creatorcontrib><creatorcontrib>Xiao-jing, Xi</creatorcontrib><creatorcontrib>Wen-jie, Tian</creatorcontrib><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science &amp; Fisheries Abstracts (ASFA) 3: Aquatic Pollution &amp; Environmental Quality</collection><collection>Aquatic Science &amp; Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Environmental science. 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TiO2@AC/CTs achieve higher cycle stability than P25 during photocatalytic and photoelectrocatalytic processes and can address the issue of dispersion and recycling technique of particulate photocatalysts and significantly reduce the recycling cost. The assembly of amorphous carbon-coated P25 and CTs into vdW heterostructures through a vdW-integrated strategy can be a general rule to integrate other powdery photocatalysts with CTs to assemble recyclable carbon textile-based catalysts for industrial applications of photocatalysis and photoelectrocatalysis.</abstract><cop>Cambridge</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/d3en00040k</doi><tpages>14</tpages></addata></record>
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source Royal Society Of Chemistry Journals 2008-
subjects Assembly
Carbon
Catalysts
Density functional theory
Dispersion
Epitaxial growth
Heterostructures
Industrial applications
Industrial production
Lattice matching
Nanospheres
Oxidation
Photocatalysis
Photocatalysts
Photodegradation
Recycling
Textiles
Titanium dioxide
title Assembly of recyclable TiO2@AC/CTs through vdW-integrated strategy for photocatalytic and photoelectrocatalytic oxidation
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