CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Direct and Selective Synthesis of Hydrogen Peroxide over Palladium-Tellurium Catalysts at Ambient Pressure
Tian, PF; Xu, XY; Ao, C; Ding, DD; Li, W; Si, R; Tu, WF; Xu, J; Han, YF
2017
Source PublicationCHEMSUSCHEM
ISSN1864-5631
Volume10Issue:17Pages:3342-3346
Subtype期刊论文
AbstractHighly selective hydrogen peroxide (H2O2) synthesis directly from H-2 and O-2 is a strongly desired reaction for green processes. Herein a highly efficient palladium-tellurium (Pd-Te/TiO2) catalyst with a selectivity of nearly 100% toward H2O2 under mild conditions (283K, 0.1MPa, and a semi-batch continuous flow reactor) is reported. The size of Pd particles was remarkably reduced from 2.1nm to 1.4nm with the addition of Te. The Te-modified Pd surface could significantly weaken the dissociative activation of O-2, leading to the non-dissociative hydrogenation of O-2. Density functional theory calculations illuminated the critical role of Te in the selective hydrogenation of O-2, in that the active sites composed of Pd and Te could significantly restrain side reactions. This work has made significant progress on the development of high-selectivity catalysts for the direct synthesis of H2O2 at ambient pressure.
KeywordSupported Pd Catalysts Near-atmospheric Pressures H2o2 Synthesis Pd/sio2 Catalyst Ultrahigh-vacuum Alloy Catalysts Co Adsorption Active-sites O-2 H-2
DOI10.1002/cssc.201701238
WOS KeywordSUPPORTED PD CATALYSTS ; NEAR-ATMOSPHERIC PRESSURES ; H2O2 SYNTHESIS ; PD/SIO2 CATALYST ; ULTRAHIGH-VACUUM ; ALLOY CATALYSTS ; CO ADSORPTION ; ACTIVE-SITES ; O-2 ; H-2
Indexed BySCI
Language英语
WOS IDWOS:000410136800005
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28607
Collection中科院上海应用物理研究所2011-2018年
Recommended Citation
GB/T 7714
Tian, PF,Xu, XY,Ao, C,et al. Direct and Selective Synthesis of Hydrogen Peroxide over Palladium-Tellurium Catalysts at Ambient Pressure[J]. CHEMSUSCHEM,2017,10(17):3342-3346.
APA Tian, PF.,Xu, XY.,Ao, C.,Ding, DD.,Li, W.,...&Han, YF.(2017).Direct and Selective Synthesis of Hydrogen Peroxide over Palladium-Tellurium Catalysts at Ambient Pressure.CHEMSUSCHEM,10(17),3342-3346.
MLA Tian, PF,et al."Direct and Selective Synthesis of Hydrogen Peroxide over Palladium-Tellurium Catalysts at Ambient Pressure".CHEMSUSCHEM 10.17(2017):3342-3346.
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