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A novel strontium carbonate/strontium sulfate/strontium titanate composite with core shell structure for photocatalytic degradation of dyes
Liu, Jian1,2; Wang, Chuyu1,2; Chen, Siming1,2; Yu, Gangqiang3; Jia, Qibo1; Duan, Dongping1,2
2022-05-15
Source PublicationMATERIALS LETTERS
ISSN0167-577X
Volume315Pages:5
AbstractA core-shell structure SrSO4-SrCO3 (SSO-SCO) composite was synthesized with strontium titanate and ammonium carbonate. The SrTiO3-SrSO4-SrCO3 (TSC) composite with core-shell structure was obtained by adding strontium titanate into the mixture through hydrothermal method. The morphology, elemental composition and crystallinity of the catalyst were characterized by SEM, EDS, TEM and XRD analyses. The TSC composite exhibited excellent photocatalytic performance for the degradation of methylene blue dyes compared to the SrTiO3. The high catalytic efficiency was due to synergistic effect of the increased light harvesting and efficient transport of photogenerated electron and hole pairs in composites based on the results of UV-vis and PL and transient photocurrent response tests. Furthermore, ESR spectra showed that center dot OH radicals and hole radicals were the main active species contributing to the excellent performance. Based on the photocatalytic results and ESR spectra, a photocatalytic mechanism for MB degradation was proposed.
KeywordStrontium titanate Core shell structure Composite materials Nanocomposites
DOI10.1016/j.matlet.2022.131759
Language英语
WOS KeywordSRTIO3 ; FABRICATION ; SRCO3
Funding ProjectNational Natural Science Founda-tion of China[5200041576]
WOS Research AreaMaterials Science ; Physics
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
Funding OrganizationNational Natural Science Founda-tion of China
WOS IDWOS:000767837100002
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/52386
Collection中国科学院过程工程研究所
Corresponding AuthorDuan, Dongping
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, 1 Bei Er Jie Rd, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem Engn, 19A Yuquan Rd, Beijing 100049, Peoples R China
3.Beijing Univ Technol, Coll Environm & Energy Engn, Beijing 100124, Peoples R China
Recommended Citation
GB/T 7714
Liu, Jian,Wang, Chuyu,Chen, Siming,et al. A novel strontium carbonate/strontium sulfate/strontium titanate composite with core shell structure for photocatalytic degradation of dyes[J]. MATERIALS LETTERS,2022,315:5.
APA Liu, Jian,Wang, Chuyu,Chen, Siming,Yu, Gangqiang,Jia, Qibo,&Duan, Dongping.(2022).A novel strontium carbonate/strontium sulfate/strontium titanate composite with core shell structure for photocatalytic degradation of dyes.MATERIALS LETTERS,315,5.
MLA Liu, Jian,et al."A novel strontium carbonate/strontium sulfate/strontium titanate composite with core shell structure for photocatalytic degradation of dyes".MATERIALS LETTERS 315(2022):5.
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