Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Christian P. Canlas"'
Autor:
Christian P. Canlas, Lei Cheng, Brandon O’Neill, Fulya Dogan, Joseph A. Libera, James A. Dumesic, Larry A. Curtiss, Jeffrey W. Elam
Publikováno v:
ACS applied materialsinterfaces. 14(38)
Solid acid catalysts, including zeolites and amorphous silica-aluminas (ASAs), are industrially important materials widely used in the fuel and petrochemical industries. The versatility of zeolites is due to the Brønsted acidity of the bridging hydr
Replication of SMSI via ALD: TiO2 Overcoats Increase Pt-Catalyzed Acrolein Hydrogenation Selectivity
Autor:
Christopher L. Marshall, Peter C. Stair, Christian P. Canlas, Jeffrey W. Elam, Laurence D. Marks, Kenneth R. Poeppelmeier, Lawrence A. Crosby, Kunlun Ding, Ahmet Gulec, Robert M. Kennedy
Publikováno v:
Catalysis Letters. 148:2223-2232
The effects of sub-nanometer atomic layer deposition films of titania and alumina are compared for the acrolein hydrogenation selectivity of Pt/SrTiO3 catalysts. The titania-overcoated catalyst is similar to strong metal-support interaction catalysts
Autor:
M. Alexander Ardagh, Omar K. Farha, Christian P. Canlas, Justin M. Notestein, Zhenyu Bo, Sol Ahn, Neil M. Schweitzer
Publikováno v:
Applied Catalysis A: General. 551:122-128
Controlling metal nanoparticle size and preserving metal dispersion at elevated temperature remain key challenges in designing new supported metal catalysts. Many methods have been proposed to stabilize metal nanoparticles for catalysis, but the use
Autor:
Tao Li, Randall E. Winans, Christian P. Canlas, Jeffrey W. Elam, Yang Ren, Haiyan Zhao, Bachir Aoun, Saurabh Karwal
Publikováno v:
Chemistry of Materials. 28:7082-7087
In this work, we explore the pore structure of overcoated materials by in situ synchrotron small-angle (SAXS) and wide-angle X-ray scattering (WAXS). Thin films of aluminum oxide (Al2O3) and titanium dioxide (TiO2) with thicknesses of 4.9 and 2.5 nm,
Autor:
Randall E. Winans, Shichao Wang, Fabio H. Ribeiro, Hong Xie, Yuyuan Lin, Tao Li, Yanran Cui, Kenneth R. Poeppelmeier, Christian P. Canlas, Jeffrey W. Elam, Hongbo Zhang, Christopher L. Marshall
Publikováno v:
Inorganic Chemistry. 55:2413-2420
Catalyst support materials of tetragonal ZrO2, stabilized by either La2O3 (La2O3-ZrO2) or CeO2 (CeO2-ZrO2), were synthesized under hydrothermal conditions at 200 °C with NH4OH or tetramethylammonium hydroxide as the mineralizer. From in situ synchro
Publikováno v:
New Journal of Chemistry. 40:4406-4413
Sustainable plant-derived N-oleyl-1,3-diaminopropane surfactant micelles cross-linked by divinylbenzene (DVB) have been intercalated in the pores of mesostructured silica and the resulting functionalized mesophases were used to immobilize heavy metal
Autor:
Angel Yanguas-Gil, Jeffrey W. Elam, Saurabh Karwal, Tao Li, Yu Lei, Soenke Seifert, Christian P. Canlas, Anil U. Mane, Joseph A. Libera, Randall E. Winans
Publikováno v:
Journal of Vacuum Science and Technology A: Vacuum, Surfaces, and Films, 36(1):01A103. AVS Science and Technology Society
Selectivity is a critical attribute of catalysts used in manufacturing of essential and fine chemicals. An excellent way to induce selectivity in catalysts is by using ultrathin films with tailored nanoporosity. For instance, nanopores can be created
Autor:
Christopher L. Marshall, Jeffrey W. Elam, James A. Dumesic, A. Jeremy Kropf, Hongbo Zhang, Christian P. Canlas
Publikováno v:
Journal of Catalysis. 326:172-181
TiO2 atomic layer deposition (ALD) overcoatings were applied to copper chromite catalysts to increase the stability for 2-furfuraldehyde (“furfural”) hydrogenation. After overcoating, about 75% activity was preserved compared to neat copper chrom
Autor:
James A. Dumesic, Christopher L. Marshall, Christian P. Canlas, Thomas F. Kuech, George W. Huber, Jechan Lee, David H. K. Jackson, Jeffrey W. Elam, Brandon J. O'Neill, Peter C. Stair
Publikováno v:
ACS Catalysis. 5:1804-1825
Atomic layer deposition (ALD) has emerged as an interesting tool for the atomically precise design and synthesis of catalytic materials. Herein, we discuss examples in which the atomic precision has been used to elucidate reaction mechanisms and cata
Autor:
Christian P. Canlas, Justin M. Notestein, Jeffrey T. Miller, James R. Gallagher, Zhenyu Bo, Todd R. Eaton
Publikováno v:
Chemistry of Materials. 27:1269-1277
Controlling metal nanoparticle size is one of the principle challenges in developing new supported catalysts. Typical methods where a metal salt is deposited and reduced can result in a polydisperse mixture of metal nanoparticles, especially at highe