Single atom catalysts: a review of characterization methods

M Kottwitz, Y Li, H Wang, AI Frenkel… - Chemistry …, 2021 - Wiley Online Library
Single atom catalysts (SACs) harbor a potential to exceed nanoparticle catalysts in terms of
activity, stability and selectivity in a growing number of chemical reactions. Although their …

IR spectroscopic investigations of chemical and photochemical reactions on metal oxides: bridging the materials gap

Y Wang, C Wöll - Chemical Society Reviews, 2017 - pubs.rsc.org
In this review, we highlight recent progress (2008–2016) in infrared reflection absorption
spectroscopy (IRRAS) studies on oxide powders achieved by using different types of metal …

Rapid Self-Decomposition of gC3N4 During Gas–Solid Photocatalytic CO2 Reduction and Its Effects on Performance Assessment

P Chen, X Dong, M Huang, K Li, L **ao, J Sheng… - ACS …, 2022 - ACS Publications
We report direct evidence of the rapid self-decomposition of graphitic carbon nitride (g-
C3N4), a popular photo (electro) catalyst, during the gas–solid photocatalytic reaction …

Activation of surface lattice oxygen in single-atom Pt/CeO2 for low-temperature CO oxidation

L Nie, D Mei, H **ong, B Peng, Z Ren, XIP Hernandez… - Science, 2017 - science.org
To improve fuel efficiency, advanced combustion engines are being designed to minimize
the amount of heat wasted in the exhaust. Hence, future generations of catalysts must …

Synergetic interaction between neighbouring platinum monomers in CO2 hydrogenation

H Li, L Wang, Y Dai, Z Pu, Z Lao, Y Chen… - Nature …, 2018 - nature.com
Exploring the interaction between two neighbouring monomers has great potential to
significantly raise the performance and deepen the mechanistic understanding of …

Decoupling the electronic and geometric effects of Pt catalysts in selective hydrogenation reaction

Z Wang, C Wang, S Mao, B Lu, Y Chen… - Nature …, 2022 - nature.com
Decoupling the electronic and geometric effects has been a long cherished goal for
heterogeneous catalysis due to their tangled relationship. Here, a novel orthogonal …

Tuning Pt-CeO2 interactions by high-temperature vapor-phase synthesis for improved reducibility of lattice oxygen

XI Pereira-Hernández, A DeLaRiva, V Muravev… - Nature …, 2019 - nature.com
In this work, we compare the CO oxidation performance of Pt single atom catalysts (SACs)
prepared via two methods:(1) conventional wet chemical synthesis (strong electrostatic …

Dynamic structure of active sites in ceria-supported Pt catalysts for the water gas shift reaction

Y Li, M Kottwitz, JL Vincent, MJ Enright, Z Liu… - Nature …, 2021 - nature.com
Oxide-supported noble metal catalysts have been extensively studied for decades for the
water gas shift (WGS) reaction, a catalytic transformation central to a host of large volume …

In situ Raman observation of oxygen activation and reaction at platinum–ceria interfaces during CO oxidation

DY Wei, MF Yue, SN Qin, S Zhang, YF Wu… - Journal of the …, 2021 - ACS Publications
Understanding the fundamental insights of oxygen activation and reaction at metal–oxide
interfaces is of significant importance yet remains a major challenge due to the difficulty in in …

Tackling CO poisoning with single-atom alloy catalysts

J Liu, FR Lucci, M Yang, S Lee… - Journal of the …, 2016 - ACS Publications
Platinum catalysts are extensively used in the chemical industry and as electrocatalysts in
fuel cells. Pt is notorious for its sensitivity to poisoning by strong CO adsorption. Here we …