兰州大学机构库
High efficient photocatalytic hydrogen evolution from formaldehyde over sensitized Ag@Ag-Pd alloy catalyst under visible light irradiation
Liu, Hongxia1,2,3; Wang, Meng1,2,3; Zhang, Xuqiang1; Ma, Jiantai3; Xu, Gongxuan1
2018-12-05
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN0926-3373
Volume237Pages:563-573
AbstractThe development of an active but cheaper catalyst is critical for efficient photocatalytic hydrogen from renewable source. In this study, we develop a high active catalyst for hydrogen evolution from formaldehyde via alloying of Pd with Ag and sensitization with a dye eosin Y (EY). The XRD, XPS, TEM and HRTEM characterizations indicate that the catalyst exhibits a core-shell structure (Ag core and Ag-Pd shell). Alloying Pd with Ag not only provides more efficient catalytic sites than single component Pd catalyst, but greatly promotes the efficient electron transfer and prolongs the lifetime of photogenerated electrons, enhances the charge separation efficiency and the photocatalytic hydrogen evolution activity significantly. The catalyst activity for hydrogen is highly dependent on the adsorption energies of HCHO and H2O molecules on metal surface of the alloy catalyst. Our results disclose a new route to high efficient catalyst development for solar hydrogen generation from formaldehyde.
KeywordPhotocatalytic hydrogen generation Formaldehyde Visible light irradiation Sensitized Ag@Ag-Pd core-shell nanocapsule catalyst Surface active sites modulation
DOI10.1016/j.apcatb.2018.06.028
Indexed BySCIE
Language英语
Funding ProjectNational Natural Science Foundation of China[21673262] ; National Natural Science Foundation of China[21433007]
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Physical ; Engineering, Environmental ; Engineering, Chemical
WOS IDWOS:000442973700059
PublisherELSEVIER SCIENCE BV
Original Document TypeArticle
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/300754
Collection兰州大学
Corresponding AuthorXu, Gongxuan
Affiliation
1.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Oxo Synth & Select Oxidat, Lanzhou 730000, Gansu, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Lanzhou Univ, Coll Chem & Chem Engn, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Liu, Hongxia,Wang, Meng,Zhang, Xuqiang,et al. High efficient photocatalytic hydrogen evolution from formaldehyde over sensitized Ag@Ag-Pd alloy catalyst under visible light irradiation[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2018,237:563-573.
APA Liu, Hongxia,Wang, Meng,Zhang, Xuqiang,Ma, Jiantai,&Xu, Gongxuan.(2018).High efficient photocatalytic hydrogen evolution from formaldehyde over sensitized Ag@Ag-Pd alloy catalyst under visible light irradiation.APPLIED CATALYSIS B-ENVIRONMENTAL,237,563-573.
MLA Liu, Hongxia,et al."High efficient photocatalytic hydrogen evolution from formaldehyde over sensitized Ag@Ag-Pd alloy catalyst under visible light irradiation".APPLIED CATALYSIS B-ENVIRONMENTAL 237(2018):563-573.
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