A decade+ of operando spectroscopy studies

A Chakrabarti, ME Ford, D Gregory, R Hu, CJ Keturakis… - Catalysis Today, 2017 - Elsevier
Because of the ability to directly probe the catalyst under reaction conditions, operando
studies have significantly improved the catalysis literature. The number of operando …

Characterization of connective tissues using near-infrared spectroscopy and imaging

IO Afara, R Shaikh, E Nippolainen, W Querido… - Nature …, 2021 - nature.com
Near-infrared (NIR) spectroscopy is a powerful analytical method for rapid, non-destructive
and label-free assessment of biological materials. Compared to mid-infrared spectroscopy …

Olefin metathesis by supported metal oxide catalysts

S Lwin, IE Wachs - Acs Catalysis, 2014 - ACS Publications
The literature of olefin metathesis by heterogeneous supported catalysts, both industrial-type
supported metal oxides (ReO x/Al2O3, ReO x/(SiO2–Al2O3), MoO x/SiO2, MoO x/Al2O3 …

Effect of redox promoters (CeOx and CuOx) and surface sulfates on the selective catalytic reduction (SCR) of NO with NH3 by supported V2O5-WO3/TiO2 catalysts

M Guo, BM Lis, ME Ford, IE Wachs - Applied Catalysis B: Environmental, 2022 - Elsevier
A series of TiO 2-supported MO x catalysts (M= V, W, Ce, Cu and S) were investigated for
their SCR activity. In situ Raman spectroscopy indicated that the supported MO x phases …

Dynamics of CrO3–Fe2O3 Catalysts during the High-Temperature Water-Gas Shift Reaction: Molecular Structures and Reactivity

CJ Keturakis, M Zhu, EK Gibson, M Daturi, F Tao… - ACS …, 2016 - ACS Publications
A series of supported CrO3/Fe2O3 catalysts were investigated for the high-temperature
water-gas shift (WGS) and reverse-WGS reactions and extensively characterized using in …

Zeolite structural confinement effects enhance one-pot catalytic conversion of ethanol to butadiene

W Dai, S Zhang, Z Yu, T Yan, G Wu, N Guan, L Li - ACS Catalysis, 2017 - ACS Publications
The one-pot conversion of ethanol to butadiene is a promising route for butadiene
production; however, simultaneous attainment of high butadiene productivity and high …

The effect of non-redox promoters (AlOx, POx, SiOx and ZrOx) and surface sulfates on supported V2O5-WO3/TiO2 catalysts in selective catalytic reduction of NO with …

M Guo, BM Lis, ME Ford, IE Wachs - Applied Catalysis B: Environmental, 2022 - Elsevier
The SCR activity of MO x (M= Al, P, Si, Zr) promoted V 2 O 5-WO 3/TiO 2 was investigated
before and after sulfation. In situ IR spectroscopy indicated that the VO x active sites …

Vibrational spectroscopy of oxide overlayers

J Strunk, MA Bañares, IE Wachs - Topics in Catalysis, 2017 - Springer
Transition metal oxide overlayers are an important class of heterogeneous catalysts
(sometimes referred to as monolayer catalysts), both for model studies and numerous …

Rutile RuO2 dispersion on rutile and anatase TiO2 supports: The effects of support crystalline phase structure on the dispersion behaviors of the supported metal …

D Wang, J Huang, F Liu, X Xu, X Fang, J Liu, Y Xie… - Catalysis Today, 2020 - Elsevier
In this study, to investigate the influence of support crystalline phase structure on the
dispersion behaviors of the supported metal oxides, tetragonal rutile RuO 2 supported on …

Identifying the Catalytic Active Site for Propylene Metathesis by Supported ReOx Catalysts

B Zhang, IE Wachs - ACS Catalysis, 2021 - ACS Publications
A series of supported ReO x catalysts were investigated that allowed identifying the unique
surface anchoring sites on oxide supports responsible for activating the surface ReO4 sites …