{"title":"TiO2 photocatalyst deposition by MOCVD on activated carbon","authors":"Xingwang Zhang, Minghua Zhou, Lecheng Lei","doi":"10.1016/j.carbon.2005.07.033","DOIUrl":null,"url":null,"abstract":"<div><p>Activated carbon modified by HNO<sub>3</sub> was used as the support during the production of TiO<sub>2</sub> by metal organic chemical vapor deposition (MOCVD). The HNO<sub>3</sub> modification increased mesopores surface area of activated carbon indicating the size of pores increased. The concentration of surface oxygen bearing groups on the HNO<sub>3</sub> modified activated carbon was much higher than that of the original activated carbon. It was found that a modification of activated carbon by 6<!--> <!-->mol/L HNO<sub>3</sub> increased the deposition rate of TiO<sub>2</sub> by 4.5 times. The modification of activated carbon by HNO<sub>3</sub> significantly raised the photocatalytic activity of TiO<sub>2</sub> resulting from the formation of smaller-sized TiO<sub>2</sub> particles well dispersed confirmed by the results of XRD patterns and N<sub>2</sub> adsorption–desorption isotherms.</p></div>","PeriodicalId":262,"journal":{"name":"Carbon","volume":null,"pages":null},"PeriodicalIF":10.5000,"publicationDate":"2006-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.carbon.2005.07.033","citationCount":"88","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Carbon","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0008622305004409","RegionNum":2,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 88
Abstract
Activated carbon modified by HNO3 was used as the support during the production of TiO2 by metal organic chemical vapor deposition (MOCVD). The HNO3 modification increased mesopores surface area of activated carbon indicating the size of pores increased. The concentration of surface oxygen bearing groups on the HNO3 modified activated carbon was much higher than that of the original activated carbon. It was found that a modification of activated carbon by 6 mol/L HNO3 increased the deposition rate of TiO2 by 4.5 times. The modification of activated carbon by HNO3 significantly raised the photocatalytic activity of TiO2 resulting from the formation of smaller-sized TiO2 particles well dispersed confirmed by the results of XRD patterns and N2 adsorption–desorption isotherms.
期刊介绍：
The journal Carbon is an international multidisciplinary forum for communicating scientific advances in the field of carbon materials. It reports new findings related to the formation, structure, properties, behaviors, and technological applications of carbons. Carbons are a broad class of ordered or disordered solid phases composed primarily of elemental carbon, including but not limited to carbon black, carbon fibers and filaments, carbon nanotubes, diamond and diamond-like carbon, fullerenes, glassy carbon, graphite, graphene, graphene-oxide, porous carbons, pyrolytic carbon, and other sp2 and non-sp2 hybridized carbon systems. Carbon is the companion title to the open access journal Carbon Trends. Relevant application areas for carbon materials include biology and medicine, catalysis, electronic, optoelectronic, spintronic, high-frequency, and photonic devices, energy storage and conversion systems, environmental applications and water treatment, smart materials and systems, and structural and thermal applications.
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