Works by Hun Kwak, Ja

Results: 32

Key Role of a‐Top CO on Terrace Sites of Metallic Pd Clusters for CO Oxidation.

Published in:

Chemistry - A European Journal, 2022, v. 28, n. 49, p. 1, doi. 10.1002/chem.202200684

By:

Gun Oh, Dong;
Aleksandrov, Hristiyan A.;
Kim, Haneul;
Koleva, Iskra Z.;
Khivantsev, Konstantin;
Vayssilov, Georgi N.;
Hun Kwak, Ja

Publication type:

Article

A Common Intermediate for N2 Formation in Enzymes and Zeolites: Side-On Cu-Nitrosyl Complexes.

Published in:

Angewandte Chemie, 2013, v. 125, n. 38, p. 10169, doi. 10.1002/ange.201303498

By:

Kwak, Ja Hun;
Lee, Jong H.;
Burton, Sarah D.;
Lipton, Andrew S.;
Peden, Charles H. F.;
Szanyi, János

Publication type:

Article

Isotope Effects in Methanol Synthesis and the Reactivity of Copper Formates on a Cu/SiO2 Catalyst.

Published in:

Catalysis Letters, 2008, v. 125, n. 3/4, p. 201, doi. 10.1007/s10562-008-9592-4

By:

Yang, Y.;
Mims, C. A.;
Disselkamp, R. S.;
Mei, D.;
Ja-Hun Kwak;
Szanyi, J.;
Peden, C. H. F.;
Campbell, C. T.

Publication type:

Article

Promotional Effects of H2O Treatment on NO x Storage Over Fresh and Thermally Aged Pt–BaO/Al2O3 Lean NO x Trap Catalysts.

Published in:

Catalysis Letters, 2008, v. 124, n. 1/2, p. 39, doi. 10.1007/s10562-008-9505-6

By:

Do Heui Kim;
Ya-Huei Chin;
Ja Hun Kwak;
Peden, Charles H. F.

Publication type:

Article

NO x uptake mechanism on Pt/BaO/Al2O3 catalysts.

Published in:

Catalysis Letters, 2006, v. 111, n. 3/4, p. 119, doi. 10.1007/s10562-006-0153-4

By:

Kwak, Ja Hun;
Kim, Do Heui;
Szailer, Tamás;
Peden, Charles H. F.;
Szanyi, János

Publication type:

Article

Non-thermal Plasma-assisted NO x Reduction over Na-Y Zeolites: The Promotional Effect of Acid Sites.

Published in:

Catalysis Letters, 2006, v. 109, n. 1/2, p. 1, doi. 10.1007/s10562-006-0049-3

By:

Ja Hun Kwak;
Peden, Charles H. F.;
Szanyi, Janos

Publication type:

Article

Changes in Ba Phases in BaO/Al2O3 upon Thermal Aging and H2O Treatment.

Published in:

Catalysis Letters, 2005, v. 105, n. 3/4, p. 259, doi. 10.1007/s10562-005-8700-y

By:

Do Heui Kim;
Ya-Huei Chin;
Ja Hun Kwak;
Szanyi, János;
Peden, Charles H. F.

Publication type:

Article

The Origin of Regioselectivity in 2-Butanol Dehydration on Solid Acid Catalysts.

Published in:

ChemCatChem, 2011, v. 3, n. 10, p. 1557, doi. 10.1002/cctc.201100173

By:

Kwak, Ja Hun;
Rousseau, Roger;
Mei, Donghai;
Peden, Charles H. F.;
Szanyi, János

Publication type:

Article

Preparation of a Magnetically Switchable Bio-electrocatalytic System Employing Cross-linked Enzyme Aggregates in Magnetic Mesocellular Carbon FoamT.H. thanks the Korean Ministry of Science and Technology for financial support through the National Creative Research Initiative Program. H.K. thanks the Nano Measurement Technology Project of the Ministry of Science and Technology and the BK21 Program of the Ministry of Education for financial support. J.K. thanks the US Department of Energy (DOE) LDRD for funds administered by the Pacific Northwest National Laboratory, the DOE Office of Biological and Environmental Research under the Environmental Management Science Program, and the Microsystems Technology Office of the US.

Published in:

Angewandte Chemie International Edition, 2005, v. 44, n. 45, p. 7427, doi. 10.1002/anie.200502995

By:

Jinwoo Lee;
Dohoon Lee;
Eunkeu Oh;
Jaeyun Kim;
Young-Pil Kim;
Sunmi Jin;
Hak-Sung Kim;
Yosun Hwang;
Ja Hun Kwak;
Je-Geun Park;
Chae-Ho Shin;
Jungbae Kim;
Taeghwan Hyeon

Publication type:

Article

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

Published in:

Topics in Catalysis, 2009, v. 52, n. 13-20, p. 1719, doi. 10.1007/s11244-009-9328-8

By:

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

Publication type:

Article

Effects of Novel Supports on the Physical and Catalytic Properties of Tungstophosphoric Acid for Alcohol Dehydration Reactions.

Published in:

Topics in Catalysis, 2008, v. 49, n. 3/4, p. 259, doi. 10.1007/s11244-008-9081-4

By:

Herrera, Jose E.;
Ja Hun Kwak;
Jian Zhi Hu;
Yong Wang;
Peden, Charles H. F.

Publication type:

Article

Synthesis of nanodispersed oxides of vanadium, titanium, molybdenum, and tungsten on mesoporous silica using atomic layer deposition.

Published in:

Topics in Catalysis, 2006, v. 39, n. 3/4, p. 245, doi. 10.1007/s11244-006-0063-0

By:

Herrera, Jose E.;
Ja Hun Kwak;
Jian Zhi Hu;
Yong Wang;
Peden, Charles H. F.

Publication type:

Article

Controlling the Phase Transformation of Alumina for Enhanced Stability and Catalytic Properties.

Published in:

Angewandte Chemie International Edition, 2024, v. 63, n. 15, p. 1, doi. 10.1002/anie.202400270

By:

Jang, Sejin;
Gun Oh, Dong;
Kim, Haneul;
Hyun Kim, Kwang;
Khivantsev, Konstantin;
Kovarik, Libor;
Hun Kwak, Ja

Publication type:

Article

Back Cover: Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria (Angew. Chem. Int. Ed. 42/2021).

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 42, p. 23028, doi. 10.1002/anie.202110076

By:

Kim, Yongseon;
Collinge, Greg;
Lee, Mal‐Soon;
Khivantsev, Konstantin;
Cho, Sung June;
Glezakou, Vassiliki‐Alexandra;
Rousseau, Roger;
Szanyi, Janos;
Kwak, Ja Hun

Publication type:

Article

Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria.

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 42, p. 22769, doi. 10.1002/anie.202105750

By:

Kim, Yongseon;
Collinge, Greg;
Lee, Mal‐Soon;
Khivantsev, Konstantin;
Cho, Sung June;
Glezakou, Vassiliki‐Alexandra;
Rousseau, Roger;
Szanyi, Janos;
Kwak, Ja Hun

Publication type:

Article

Mechanism of CO Oxidation on Pd/CeO2(100): The Unique Surface‐Structure of CeO2(100) and the Role of Peroxide.

Published in:

ChemCatChem, 2020, v. 12, n. 20, p. 5164, doi. 10.1002/cctc.202000714

By:

Kim, Yongseon;
Lee, Hosik;
Kwak, Ja Hun

Publication type:

Article

Controlling the Phase Transformation of Alumina for Enhanced Stability and Catalytic Properties.

Published in:

Angewandte Chemie, 2024, v. 136, n. 15, p. 1, doi. 10.1002/ange.202400270

By:

Jang, Sejin;
Gun Oh, Dong;
Kim, Haneul;
Hyun Kim, Kwang;
Khivantsev, Konstantin;
Kovarik, Libor;
Hun Kwak, Ja

Publication type:

Article

High-performance and stable photoelectrochemical water splitting cell with organic-photoactive-layer-based photoanode.

Published in:

Nature Communications, 2020, v. 11, n. 1, p. N.PAG, doi. 10.1038/s41467-020-19329-0

By:

Yu, Je Min;
Lee, Jungho;
Kim, Yoon Seo;
Song, Jaejung;
Oh, Jiyeon;
Lee, Sang Myeon;
Jeong, Mingyu;
Kim, Yongseon;
Kwak, Ja Hun;
Cho, Seungho;
Yang, Changduk;
Jang, Ji-Wook

Publication type:

Article

Simple Synthesis of Functionalized Superparamagnetic Magnetite/Silica Core/Shell Nanoparticles and their Application as Magnetically Separable High-Performance Biocatalysts.

Published in:

Small, 2008, v. 4, n. 1, p. 143, doi. 10.1002/smll.200700456

By:

Lee, Jinwoo;
Lee, Youjin;
Youn, Jong Kyu;
Na, Hyon Bin;
Yu, Taekyung;
Kim, Hwan;
Lee, Sang-Mok;
Koo, Yoon-Mo;
Kwak, Ja Hun;
Park, Hyun Gyu;
Chang, Ho Nam;
Hwang, Misun;
Park, Je-Geun;
Kim, Jungbae;
Hyeon, Taeghwan

Publication type:

Article

A Magnetically Separable, Highly Stable Enzyme System Based on Nanocomposites of Enzymes and Magnetic Nanoparticles Shipped in Hierarchically Ordered, Mesocellular, Mesoporous Silica.

Published in:

Small, 2005, v. 1, n. 12, p. 1203, doi. 10.1002/smll.200500245

By:

Kim, Jungbae;
Lee, Jinwoo;
Na, Hyon Bin;
Kim, Byoung Chan;
Youn, Jong Kyu;
Kwak, Ja Hun;
Moon, Karam;
Lee, Eunwoong;
Kim, Jaeyun;
Park, Jongnam;
Dohnalkova, Alice;
Park, Hyun Gyu;
Gu, Man Bock;
Chang, Ho Nam;
Grate, Jay W.;
Hyeon, Taeghwan

Publication type:

Article

Simple Synthesis of Hierarchically Ordered Mesocellular Mesoporous Silica Materials Hosting Crosslinked Enzyme Aggregates.

Published in:

Small, 2005, v. 1, n. 7, p. 744, doi. 10.1002/smll.200500035

By:

Lee, Jinwoo;
Kim, Jungbae;
Kim, Jaeyun;
Jia, Hongfei;
Kim, Moon Il;
Kwak, Ja Hun;
Jin, Sunmi;
Dohnalkova, Alice;
Park, Hyun Gyu;
Chang, Ho Nam;
Wang, Ping;
Grate, Jay W.;
Hyeon, Taeghwan

Publication type:

Article

Understanding of Active Sites and Interconversion of Pd and PdO during CH 4 Oxidation.

Published in:

Molecules, 2023, v. 28, n. 4, p. 1957, doi. 10.3390/molecules28041957

By:

Oh, Dong Gun;
Aleksandrov, Hristiyan A.;
Kim, Haneul;
Koleva, Iskra Z.;
Khivantsev, Konstantin;
Vayssilov, Georgi N.;
Kwak, Ja Hun

Publication type:

Article

On the Nature of Extra-Framework Aluminum Species and Improved Catalytic Properties in Steamed Zeolites.

Published in:

Molecules, 2022, v. 27, n. 7, p. 2352, doi. 10.3390/molecules27072352

By:

Khivantsev, Konstantin;
Jaegers, Nicholas R.;
Kovarik, Libor;
Derewinski, Miroslaw A.;
Kwak, Ja-Hun;
Szanyi, Janos

Publication type:

Article

Rücktitelbild: Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria (Angew. Chem. 42/2021).

Published in:

Angewandte Chemie, 2021, v. 133, n. 42, p. 23212, doi. 10.1002/ange.202110076

By:

Kim, Yongseon;
Collinge, Greg;
Lee, Mal‐Soon;
Khivantsev, Konstantin;
Cho, Sung June;
Glezakou, Vassiliki‐Alexandra;
Rousseau, Roger;
Szanyi, Janos;
Kwak, Ja Hun

Publication type:

Article

Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria.

Published in:

Angewandte Chemie, 2021, v. 133, n. 42, p. 22951, doi. 10.1002/ange.202105750

By:

Kim, Yongseon;
Collinge, Greg;
Lee, Mal‐Soon;
Khivantsev, Konstantin;
Cho, Sung June;
Glezakou, Vassiliki‐Alexandra;
Rousseau, Roger;
Szanyi, Janos;
Kwak, Ja Hun

Publication type:

Article

Precise Identification and Characterization of Catalytically Active Sites on the Surface of γ‐Alumina**.

Published in:

Angewandte Chemie, 2021, v. 133, n. 32, p. 17663, doi. 10.1002/ange.202102106

By:

Khivantsev, Konstantin;
Jaegers, Nicholas R.;
Kwak, Ja‐Hun;
Szanyi, Janos;
Kovarik, Libor

Publication type:

Article

Evolution of form in metal-organic frameworks.

Published in:

Nature Communications, 2017, v. 8, n. 1, p. 14070, doi. 10.1038/ncomms14070

By:

Lee, Jiyoung;
Kwak, Ja Hun;
Choe, Wonyoung

Publication type:

Article

Low-temperature carbon monoxide oxidation catalysed by regenerable atomically dispersed palladium on alumina.

Published in:

Nature Communications, 2014, v. 5, n. 9, p. 4885, doi. 10.1038/ncomms5885

By:

Peterson, Eric J.;
DeLaRiva, Andrew T.;
Lin, Sen;
Johnson, Ryan S.;
Guo, Hua;
Miller, Jeffrey T.;
Hun Kwak, Ja;
Peden, Charles H. F.;
Kiefer, Boris;
Allard, Lawrence F.;
Ribeiro, Fabio H.;
Datye, Abhaya K.

Publication type:

Article

Precise Identification and Characterization of Catalytically Active Sites on the Surface of γ‐Alumina**.

Published in:

Angewandte Chemie International Edition, 2021, v. 60, n. 32, p. 17522, doi. 10.1002/anie.202102106

By:

Khivantsev, Konstantin;
Jaegers, Nicholas R.;
Kwak, Ja‐Hun;
Szanyi, Janos;
Kovarik, Libor

Publication type:

Article

Preparation of a Magnetically Switchable Bio-electrocatalytic System Employing Cross-linked Enzyme Aggregates in Magnetic Mesocellular Carbon Foam.

Published in:

Angewandte Chemie, 2005, v. 117, n. 45, p. 7593, doi. 10.1002/ange.200502995

By:

Jinwoo Lee;
Dohoon Lee;
Eunkeu Oh;
Jaeyun Kim;
Young-Pil Kim;
Sunmi Jin;
Hak-Sung Kim;
Yosun Hwang;
Ja Hun Kwak;
Je-Geun Park;
Chae-Ho Shin;
Jungbae Kim;
Taeghwan Hyeon

Publication type:

Article

Crosslinked enzyme aggregates in hierarchically-ordered mesoporous silica: A simple and effective method for enzyme stabilization.

Published in:

Biotechnology & Bioengineering, 2007, v. 96, n. 2, p. 210, doi. 10.1002/bit.21107

By:

Kim, Moon Il;
Kim, Jungbae;
Lee, Jinwoo;
Jia, Hongfei;
Na, Hyon Bin;
Youn, Jong Kyu;
Kwak, Ja Hun;
Dohnalkova, Alice;
Grate, Jay W.;
Wang, Ping;
Hyeon, Taeghwan;
Park, Hyun Gyu;
Chang, Ho Nam

Publication type:

Article

A Common Intermediate for N2 Formation in Enzymes and Zeolites: Side-On Cu-Nitrosyl Complexes.

Published in:

Angewandte Chemie International Edition, 2013, v. 52, n. 38, p. 9985, doi. 10.1002/anie.201303498

By:

Kwak, Ja Hun;
Lee, Jong H.;
Burton, Sarah D.;
Lipton, Andrew S.;
Peden, Charles H. F.;
Szanyi, János

Publication type:

Article

Works by Hun Kwak, Ja

Key Role of a‐Top CO on Terrace Sites of Metallic Pd Clusters for CO Oxidation.

A Common Intermediate for N<sub>2</sub> Formation in Enzymes and Zeolites: Side-On Cu-Nitrosyl Complexes.

Isotope Effects in Methanol Synthesis and the Reactivity of Copper Formates on a Cu/SiO<sub>2</sub> Catalyst.

Promotional Effects of H<sub>2</sub>O Treatment on NO<sub> x </sub> Storage Over Fresh and Thermally Aged Pt–BaO/Al<sub>2</sub>O<sub>3</sub> Lean NO<sub> x </sub> Trap Catalysts.

NO<sub> x </sub> uptake mechanism on Pt/BaO/Al<sub>2</sub>O<sub>3</sub> catalysts.

Non-thermal Plasma-assisted NO<sub> x </sub> Reduction over Na-Y Zeolites: The Promotional Effect of Acid Sites.

Changes in Ba Phases in BaO/Al<sub>2</sub>O<sub>3</sub> upon Thermal Aging and H<sub>2</sub>O Treatment.

The Origin of Regioselectivity in 2-Butanol Dehydration on Solid Acid Catalysts.

Promotional Effect of CO<sub>2</sub> on Desulfation Processes for Pre-Sulfated Pt-BaO/Al<sub>2</sub>O<sub>3</sub> Lean NOx Trap Catalysts.

Effects of Novel Supports on the Physical and Catalytic Properties of Tungstophosphoric Acid for Alcohol Dehydration Reactions.

Synthesis of nanodispersed oxides of vanadium, titanium, molybdenum, and tungsten on mesoporous silica using atomic layer deposition.

Controlling the Phase Transformation of Alumina for Enhanced Stability and Catalytic Properties.

Back Cover: Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria (Angew. Chem. Int. Ed. 42/2021).

Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria.

Mechanism of CO Oxidation on Pd/CeO<sub>2</sub>(100): The Unique Surface‐Structure of CeO<sub>2</sub>(100) and the Role of Peroxide.

Controlling the Phase Transformation of Alumina for Enhanced Stability and Catalytic Properties.

High-performance and stable photoelectrochemical water splitting cell with organic-photoactive-layer-based photoanode.

Simple Synthesis of Functionalized Superparamagnetic Magnetite/Silica Core/Shell Nanoparticles and their Application as Magnetically Separable High-Performance Biocatalysts.

A Magnetically Separable, Highly Stable Enzyme System Based on Nanocomposites of Enzymes and Magnetic Nanoparticles Shipped in Hierarchically Ordered, Mesocellular, Mesoporous Silica.

Simple Synthesis of Hierarchically Ordered Mesocellular Mesoporous Silica Materials Hosting Crosslinked Enzyme Aggregates.

Understanding of Active Sites and Interconversion of Pd and PdO during CH 4 Oxidation.

On the Nature of Extra-Framework Aluminum Species and Improved Catalytic Properties in Steamed Zeolites.

Rücktitelbild: Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria (Angew. Chem. 42/2021).

Surface Density Dependent Catalytic Activity of Single Palladium Atoms Supported on Ceria.

Precise Identification and Characterization of Catalytically Active Sites on the Surface of γ‐Alumina**.

Evolution of form in metal-organic frameworks.

Low-temperature carbon monoxide oxidation catalysed by regenerable atomically dispersed palladium on alumina.

Precise Identification and Characterization of Catalytically Active Sites on the Surface of γ‐Alumina**.

Preparation of a Magnetically Switchable Bio-electrocatalytic System Employing Cross-linked Enzyme Aggregates in Magnetic Mesocellular Carbon Foam.

Crosslinked enzyme aggregates in hierarchically-ordered mesoporous silica: A simple and effective method for enzyme stabilization.

A Common Intermediate for N<sub>2</sub> Formation in Enzymes and Zeolites: Side-On Cu-Nitrosyl Complexes.