CAS OpenIR
Ultrafine nano-TiO2 loaded on dendritic porous silica nanoparticles for robust transparent antifogging self-cleaning nanocoatings
Xi, Rubing1; Wang, Yulu1; Wang, Xuan1; Lv, Jinyang1; Li, Xiaoyu2; Li, Tong3; Zhang, Xueji1; Du, Xin1
2020-10-15
Source PublicationCERAMICS INTERNATIONAL
ISSN0272-8842
Volume46Issue:15Pages:23651-23661
AbstractMultifunctional nanocoatings with mechanical robustness, high transparence, antifogging and self-cleaning have attracted significant attention because of their wide applications in glass-related fields. However, it is still very difficult to construct this kind of multifunctional nanocoatings due to the requirement of their comprehensive structure parameters. In this work, we successfully fabricated robust transparent antifogging self-cleaning nanocoatings by employing dendritic porous silica nanoparticles (DPSNs) evenly loaded with 2-3 nm of small TiO2 nanoparticles (NPs) as a building block. A series of DPSNs@X% TiO2 nanocomposites with tunable weight ratios (X%) of TiO2/DPSNs from 10% to 60% were firstly prepared by controlling the growth of TiO2 on the heterogeneous interface of center-radial large pores of DPSNs, followed by calcination. Noteworthily, DPSNs@10% TiO2 exhibited highest photocatalytic and antibacterial performance mainly due to uniform distribution of TiO2 NPs, their small sizes of 2-3 nm and center-radial pore. Therefore, DPSNs@10% TiO2 was chosen as an optimized building block and combined with acid-catalyzed silica sol (ACSS) to develop an excellent suspension for multifunctional nanocoatings. The obtained glass slide with the optimal nanocoating showed photocatalytic selfcleaning behavior, high transparence, hydrophilic (WCA = 6.2 degrees) antifogging, and high mechanical robustness, which can withstand 4B tape adhesion test and 3H pencil scratching test. This work provides an important exploration for developing multifunctional nanocoatings.
KeywordDendritic porous silica Nano-titania Self-cleaning Mechanical robustness Balanced properties
DOI10.1016/j.ceramint.2020.06.138
Language英语
WOS KeywordPHOTOCATALYTIC ANTIBACTERIAL ACTIVITY ; ANTIREFLECTIVE COATINGS ; THIN-FILMS ; UNDERWATER SUPEROLEOPHOBICITY ; SUPERHYDROPHOBIC SURFACES ; AG NANOPARTICLES ; TIO2 ; SPHERES ; NANOCOMPOSITES ; COMPOSITE
Funding ProjectFundamental Research Funds for the Central Universities[FRF-TP-19-017B1] ; National Natural Science Foundation of China[21501009] ; National Natural Science Foundation of China[51671181] ; Beijing Municipal Science and Technology Commission[z131102002813058]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Ceramics
Funding OrganizationFundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; Beijing Municipal Science and Technology Commission
WOS IDWOS:000564201800003
PublisherELSEVIER SCI LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/41943
Collection中国科学院过程工程研究所
Corresponding AuthorLi, Xiaoyu; Li, Tong; Du, Xin
Affiliation1.Univ Sci & Technol Beijing, Res Ctr Bioengineering & Sensing Technol, Beijing Key Lab Bioengineering & Sensing Technol, Dept Chem & Biol Engn, Beijing 100083, Peoples R China
2.Chinese Acad Sci, Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Key Lab Marine Mat & Related Technol, Zhejiang Key Lab Marine Mat & Protect Technol, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Peoples R China
Recommended Citation
GB/T 7714
Xi, Rubing,Wang, Yulu,Wang, Xuan,et al. Ultrafine nano-TiO2 loaded on dendritic porous silica nanoparticles for robust transparent antifogging self-cleaning nanocoatings[J]. CERAMICS INTERNATIONAL,2020,46(15):23651-23661.
APA Xi, Rubing.,Wang, Yulu.,Wang, Xuan.,Lv, Jinyang.,Li, Xiaoyu.,...&Du, Xin.(2020).Ultrafine nano-TiO2 loaded on dendritic porous silica nanoparticles for robust transparent antifogging self-cleaning nanocoatings.CERAMICS INTERNATIONAL,46(15),23651-23661.
MLA Xi, Rubing,et al."Ultrafine nano-TiO2 loaded on dendritic porous silica nanoparticles for robust transparent antifogging self-cleaning nanocoatings".CERAMICS INTERNATIONAL 46.15(2020):23651-23661.
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