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Facile synthesis of TiO2/CNC nanocomposites for enhanced Cr(VI) photoreduction: Synergistic roles of cellulose nanocrystals
Li, Yanxiang1; Zhang, Jinju1; Zhan, Chengbo2; Kong, Fangong3; Li, Wangliang1; Yang, Chuanfang1; Hsiao, Benjamin S.2
2020-04-01
Source PublicationCARBOHYDRATE POLYMERS
ISSN0144-8617
Volume233Pages:11
AbstractIn this study, TiO2 nanocrystals were synthesized in the scaffold of cellulose nanocrystal (CNC) using in situ hydrolysis, where the morphology and size of TiO2 was controlled by CNC's functional groups and surface charge. The resulting TiO2/CNC nanocomposites showed a superior photocatalytic activity for Cr(VI) reduction under visible light (lambda > 420 nm) due to the combined effects of small TiO2 size and ligand-to-metal charge transfer (LMCT) complex between CNC and TiO2. It was found that the charge-enriched CNC not only acted as a template to direct the crystal growth of TiO2, but also played essential roles on light harvesting and charge transfer thereby promoting the photoreduction of Cr(VI). The demonstrated system represents a unique pathway to develop a lower cost and efficient purification material for remediation of Cr(VI).
KeywordCellulose nanocrystals TiO2 Cr(VI) photoreduction Ligand-to-metal charge transfer Green synthesis
DOI10.1016/j.carbpol.2020.115838
Language英语
WOS KeywordCHARGE-TRANSFER LMCT ; HIGHLY EFFICIENT ; PHOTOCATALYTIC REDUCTION ; HEXAVALENT CHROMIUM ; THIN-FILMS ; CR-VI ; REMOVAL ; ADSORPTION ; NANOPARTICLES ; MEMBRANE
Funding ProjectNational Nature Science Foundation of China[21978307] ; Li Foundation Inc. in USA ; National Science Foundation in USA[DMR-1808690] ; Key Laboratory of Pulp and Paper Science and Technology by the Ministry of Education and Shandong Province in China[KF201722]
WOS Research AreaChemistry ; Polymer Science
WOS SubjectChemistry, Applied ; Chemistry, Organic ; Polymer Science
Funding OrganizationNational Nature Science Foundation of China ; Li Foundation Inc. in USA ; National Science Foundation in USA ; Key Laboratory of Pulp and Paper Science and Technology by the Ministry of Education and Shandong Province in China
WOS IDWOS:000513914400016
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/39453
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Wangliang; Yang, Chuanfang; Hsiao, Benjamin S.
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.SUNY Stony Brook, Dept Chem, Stony Brook, NY 11794 USA
3.Qilu Univ Technol, Minist Educ Shandong Prov, Key Lab Pulp & Paper Sci & Technol, Jinan 250353, Peoples R China
Recommended Citation
GB/T 7714
Li, Yanxiang,Zhang, Jinju,Zhan, Chengbo,et al. Facile synthesis of TiO2/CNC nanocomposites for enhanced Cr(VI) photoreduction: Synergistic roles of cellulose nanocrystals[J]. CARBOHYDRATE POLYMERS,2020,233:11.
APA Li, Yanxiang.,Zhang, Jinju.,Zhan, Chengbo.,Kong, Fangong.,Li, Wangliang.,...&Hsiao, Benjamin S..(2020).Facile synthesis of TiO2/CNC nanocomposites for enhanced Cr(VI) photoreduction: Synergistic roles of cellulose nanocrystals.CARBOHYDRATE POLYMERS,233,11.
MLA Li, Yanxiang,et al."Facile synthesis of TiO2/CNC nanocomposites for enhanced Cr(VI) photoreduction: Synergistic roles of cellulose nanocrystals".CARBOHYDRATE POLYMERS 233(2020):11.
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