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Understanding complete oxidation of methane on spinel oxides at a molecular level.
It is reported that the higher catalytic activity at the relatively low temperature results from the integration of nickel cations, cobalt cations and surface lattice oxygen atoms/oxygen vacancies at the atomic scale. Expand
Consciously Constructing Heterojunction or Direct Z-Scheme Photocatalysts by Regulating Electron Flow Direction
Heterojunction and direct Z-scheme nanostructures are two typical representatives of an efficient photocatalyst, which is composed of two semiconductors. However, it is a great challenge to construct… Expand
Atomic-Scale Observations of Catalyst Structures under Reaction Conditions and during Catalysis.
This Review focuses on the development of HP-STM and ETEM, the in situ/operando characterizations of catalyst structures with them, and the integration of the two structural analytical techniques for fundamentally understanding catalysis. Expand
Synergy of Single-Atom Ni1 and Ru1 Sites on CeO2 for Dry Reforming of CH4.
- Yu Tang, Yuechang Wei, +8 authors P. Hu
- Chemistry, Medicine
- Journal of the American Chemical Society
- 25 April 2019
A synergy effect of two sets of single-atom sites (Ni1 and Ru1) anchored on the surface of a CeO2 nanorod, demonstrating a new method for designing a catalyst with high activity and selectivity at a relatively low temperature. Expand
Red Emissive Sulfur, Nitrogen Codoped Carbon Dots and Their Application in Ion Detection and Theraonostics.
- Xiang Miao, Xinlong Yan, Dan Qu, Dabing Li, F. Tao, Zaicheng Sun
- Materials Science, Medicine
- ACS applied materials & interfaces
- 30 May 2017
A facile route to synthesize carbon dots with red emission due to the doping effect of S and N elements, borrowing from the concept of the semiconductor is developed, demonstrating that the S,N-CDs are a potentially excellent bioimaging component in the theranostic field. Expand
Shape control of bimetallic nanocatalysts through well-designed colloidal chemistry approaches.
This tutorial review highlights some significant achievements in preparing bimetallic alloy, core-shell and heterostructure nanocrystals with well-defined morphologies, summarizes four general routes and some key factors of the bimetallo shape control scenarios, and provides some general ideas on how to design synthetic strategies to control the shape. Expand
Room-temperature catalytic oxidation of formaldehyde on catalysts
Formaldehyde (HCHO) is one of the major pollutants in indoor air and long-term exposure to HCHO even at very low concentrations is harmful and may cause health problems including nasal tumors and… Expand
In Situ Studies of Chemistry and Structure of Materials in Reactive Environments
The relationship between surface structure and composition of materials during operation and their chemical properties needs to be established in order to understand the mechanisms at work and to enable the design of new and better materials. Expand
Low-Temperature Transformation of Methane to Methanol on Pd1 O4 Single Sites Anchored on the Internal Surface of Microporous Silicate.
Thermodynamic calculations suggest that the reaction toward methanol production is highly favorable compared to formation of a byproduct, methyl peroxide. Expand
Single rhodium atoms anchored in micropores for efficient transformation of methane under mild conditions
The first C–H bond of CH4 is activated by Rh1O5 anchored on the wall of micropores of ZSM-5; the formed CH3 then couples with CO and OH, to produce acetic acid over a low activation barrier. Expand