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Adsorption and Formation of BaO Overlayers on gamma-Al2O3 Surfaces File

Mei, Donghai , Ge, Qingfeng , Kwak, Jahun , Kim, Do Heui , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2008-11 View207

Changes in ba phases in BaO/Al2O3 upon thermal aging and H2O treatment File

Kim, Do Heui , Chin, Ya-Huei , Kwak, Jahun , Szanyi, Janos , Peden, Charles H.F

Article Issue Date2005-12 View108

Characteristics of Desulfation Behavior for Presulfated Pt-BaO/CeO2 Lean NOx Trap Catalyst: The Role of the CeO2 Support File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Wang, Xianqin , Li, Guosheng , Hanson, Jonathan C. , Peden, Charles H. F.

Article Issue Date2009-12 View137

Characteristics of Pt-K/MgAl2O4 lean NOx trap catalysts File

Kim, Do Heui , Mudiyanselage, K. , Szanyi, J. , Zhu, H. , Kwak, Jahun , Peden, Charles H. F.

Article Issue Date2012-04 View148

Characterization of surface and bulk nitrates of gamma-Al2O3-supported alkaline earth oxides using density functional theory File

Mei, Donghai , Ge, Qingfeng , Kwak, Jahun , Kim, Do Heui , Verrier, Christelle , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2009-02 View193

Coordinatively Unsaturated Al3+ Centers as Binding Sites for Active Catalyst Phases of Platinum on gamma-Al2O3 File

Kwak, Jahun , Hu, Jianzhi , Mei, Donghai , Yi, Cheol-Woo , Kim, Do Heui , Peden, Charles H. F. , Allard, Lawrence F. , Szanyi, Janos

Article Issue Date2009-09 View103

Effect of K loadings on nitrate formation/decomposition and on NOx storage performance of K-based NOx storage-reduction catalysts File

Kim, Do Heui , Mudiyanselage, Kumudu , Szanyi, Janos , Kwak, Jahun , Zhu, Haiyang , Peden, Charles H. F.

Article Issue Date2013-10 View111

Effect of reductive treatments on Pt behavior and NOx storage in lean NOx trap catalysts File

Wang, XianQin , Kim, Do Heui , Kwak, Jahun , Wang, Chongmin , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2011-10 View125

Effects of Ba loading and calcination temperature on BaAl2O4 formation for BaO/Al2O3 NOx storage and reduction catalysts File

Szailer, Tama´s , Kwak, Jahun , Kim, Do Heui , Szanyi, Ja´nos , Wang, Chongmin , Peden, Charles H.F.

Article Issue Date2006-04 View76

Effects of Sulfation Level on the Desulfation Behavior of Presulfated Pt-BaO/Al2O3 Lean NOx Trap Catalysts: A Combined H-2 Temperature-Programmed Reaction, in Situ Sulfur K-Edge X-ray Absorption Near-Edge Spectroscopy, X-ray Photoelectron Spectroscopy, and Time-Resolved X-ray Diffraction Study File

Kim, Do Heui , Szanyi, Janos , Kwak, Jahun , Wang, Xianqin , Hanson, Jonathan C. , Engelhard, Mark , Peden, Charles H. F.

Article Issue Date2009-04 View101

Enhanced High Temperature Performance of MgAl2O4-Supported Pt-BaO Lean NOx Trap Catalysts File

Kwak, Jahun , Kim, Do Heui , Szanyi, Janos , Cho, Sung June , Peden, Charles H. F.

Article Issue Date2012-03 View135

Excellent activity and selectivity of Cu-SSZ-13 in the selective catalytic reduction of NOx with NH3 File

Kwak, Jahun , Tonkyn, Russell G. , Kim, Do Heui , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2010-10 View95

Excellent sulfur resistance of Pt/BaO/CeO(2) lean NO(x) trap catalysts File

Kwak, Ja Hun , Kim, Do Heui , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2008-12 View119

Isothermal desulfation of pre-sulfated Pt-BaO/gamma-Al2O3 lean NOx trap catalysts with H-2: The effect of H-2 concentration and the roles of CO2 and H2O File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2012-01 View124

NO2 adsorption on BaO/Al2O3: The nature of nitrate species File

Szanyi, Ja´nos , Kwak, Jahun , Kim, Do Heui , Burton, Sarah D. , Peden, Charles H. F.

Article Issue Date2005-01 View117

NOx uptake mechanism on Pt/BaO/Al2O3 catalysts File

Kwak, Jahun , Kim, Do Heui , Szailer, Tamas , Peden, Charles H. F. , Szanyi, Janos

Article Issue Date2006-11 View115

NOx uptake on alkaline earth oxides (BaO, MgO, CaO and SrO) supported on gamma-Al2O3 File

Verrier, Christelle , Kwak, Jahun , Kim, Do Heui , Peden, Charles H. F. , Szanyi, Janos

Article Issue Date2008-07 View106

Penta-coordinated Al3+ ions as preferential nucleation sites for BaO on gamma-Al2O3: An ultra-high-magnetic field Al-27 MAS NMR study File

Kwak, Jahun , Hu, Jian Zhi , Kim, Do Heui , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2007-10 View149

Possible origin of improved high temperature performance of hydrothermally aged Cu/beta zeolite catalysts File

Peden, Charles H. F. , Kwak, Jahun , Burton, Sarah D. , Tonkyn, Russell G. , Kim, Do Heui , Lee, Jong-Hwan , Jen, Hung-Wen , Cavataio, Giovanni , Cheng, Yisun , Lambert, Christine K.

Article Issue Date2012-04 View108

Promotional Effect of CO2 on Desulfation Processes for Pre-Sulfated Pt-BaO/Al2O3 Lean NOx Trap Catalysts File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Wang, Xianqin , Engelhard, Mark H. , Peden, Charles H.F.

Article Issue Date2009-07 View112

Promotional Effect of CO2 on Desulfation Processes for Pre-Sulfated Pt-BaO/Al2O3 Lean NOx Trap Catalysts File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Wang, Xianqin , Engelhard, Mark H. , Peden, Charles H. F.

Conference Paper Issue Date2009-12-13 View72

Promotional effects of H(2)O treatment on NO(x) storage over fresh and thermally aged Pt-BaO/Al(2)O(3) lean NO(x) trap catalysts File

Kim, Do Heui , Chin, Ya-Huei , Kwak, Jahun , Peden, Charles H. F.

Article Issue Date2008-08 View145

Reduction of stored NOx on Pt/Al2O3 and Pt/BaO/Al2O3 catalysts with H-2 and CO File

Szailer, Tamás , Kwak, Jahun , Kim, Do Heui , Hanson, Jonathan C. , Peden, Charles H.F. , Szanyi, János

Article Issue Date2006-04 View99

Role of pentacoordinated Al3+ ions in the high temperature phase transformation of gamma-Al2O3 File

Kwak, Jahun , Hu, Jianzhi , Lukaski, Adrienne , Kim, Do Heui , Szanyi, Janos , Peden, Charles H. F.

Article Issue Date2008-06 View117

Roles of Pt and BaO in the sulfation of Pt/BaO/Al2O3 lean NOx trap materials: Sulfur K-edge XANES and Pt L-III XAFS studies File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Cho, Sung June , Peden, Charles H. F.

Article Issue Date2008-02 View101

Sequential high temperature reduction, low temperature hydrolysis for the regeneration of sulfated NOx trap catalysts File

Kim, Do Heui , Kwak, Jahun , Wang, Xianqin , Szanyi, Janos , Peden, Charles He

Article Issue Date2008-07 View101

The different impacts of SO2 and SO3 on Cu/zeolite SCR catalysts File

Cheng, Yisun , Lambert, Christine , Kim, Do Heui , Kwak, Jahun , Cho, Sung June , Peden, Charles H. F.

Article Issue Date2010-06 View108

Understanding the nature of surface nitrates in BaO/gamma-Al2O3 NOx storage materials: A combined experimental and theoretical study File

Kwak, Jahun , Mei, Donghai , Yi, Cheol-Woo , Kim, Do Heui , Peden, Charles H. F. , Allard, Lawrence F. , Szanyi, Janos

Article Issue Date2009-01 View159

Water-induced bulk Ba(NO3)(2) formation from NO2 exposed thermally aged BaO/Al2O3 File

Kim, Do Heui , Kwak, Jahun , Szanyi, Janos , Burton, Sarah D. , Peden, Charles H. F.

Article Issue Date2007-03 View100

Water-induced morphology changes in BaO/gamma-Al2O3 NOx storage materials File

Szanyi, Janos , Kwak, Jahun , Kim, Do Heui , Wang, Xianqin , Hanson, Jonathan , Chimentao, Ricardo J. , Peden, Charles H. F.

Article Issue Date2007-03 View83

Water-induced morphology changes in BaO/gamma-Al2O3 NOx storage materials: An FTIR, TPD, and time-resolved synchrotron XRD study File

Szanyi, Janos , Kwak, Jahun , Kim, Do Heui , Wang, Xianqin , Chimentao, Ricardo , Hanson, Jonathan , Epling, William S. , Peden, Charles H. F.

Article Issue Date2007-03 View112

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