Catalyst structure determination using operando XAFS

John C. Linehan; John L. Fulton; Mahalingam Balasubramanian; Yongsheng Chen; Tom Autrey; Nathaniel K. Szymczak; James A. Franz; Richard G. Finke; Thomas E. Bitterwolf; Wendy J. Shaw; Tricia Smurthwaite

Catalyst structure determination using operando XAFS

John C. Linehan, John L. Fulton, Mahalingam Balasubramanian, Yongsheng Chen, Tom Autrey, Nathaniel K. Szymczak, James A. Franz, Richard G. Finke, Thomas E. Bitterwolf, Wendy J. Shaw, Tricia Smurthwaite

Pacific Northwest National Laboratory

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Spectroscopy of catalyst systems under actual operating conditions, or operando spectroscopy, has become instrumental in helping to determine the structures and mechanisms of catalytic systems. Operando spectroscopy is differentiated from in situ spectroscopy in that operando spectroscopy occurs under the actual catalyst operating conditions. In addition, a measure of the catalyst activity is also critical during operando spectroscopy. Operando spectroscopy has revealed that some catalytic systems operate under much different conditions than previously believed based on ex situ analysis. We present some of our recent work using operando XAFS of catalytic systems varying from hydrogen release of hydrogen storage materials to benzene hydrogenation. We present a basic introduction into XAFS and its use as an operando technique and show how this technique can be used to differentiate between catalyst containing highly dispersed nanoparticles and organometallic clusters.

Original language	English
Title of host publication	American Chemical Society - 237th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers
Publication status	Published - 2009
Event	237th National Meeting and Exposition of the American Chemical Society, ACS 2009 - Salt Lake City, UT, United States Duration: Mar 22 2009 → Mar 26 2009

Publication series

Name	ACS National Meeting Book of Abstracts
ISSN (Print)	0065-7727

Other

Other	237th National Meeting and Exposition of the American Chemical Society, ACS 2009
Country	United States
City	Salt Lake City, UT
Period	3/22/09 → 3/26/09

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)

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Linehan, J. C., Fulton, J. L., Balasubramanian, M., Chen, Y., Autrey, T., Szymczak, N. K., Franz, J. A., Finke, R. G., Bitterwolf, T. E., Shaw, W. J., & Smurthwaite, T. (2009). Catalyst structure determination using operando XAFS. In American Chemical Society - 237th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers (ACS National Meeting Book of Abstracts).

Catalyst structure determination using operando XAFS. / Linehan, John C.; Fulton, John L.; Balasubramanian, Mahalingam; Chen, Yongsheng; Autrey, Tom; Szymczak, Nathaniel K.; Franz, James A.; Finke, Richard G.; Bitterwolf, Thomas E.; Shaw, Wendy J.; Smurthwaite, Tricia.

American Chemical Society - 237th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 2009. (ACS National Meeting Book of Abstracts).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Linehan, JC, Fulton, JL, Balasubramanian, M, Chen, Y, Autrey, T, Szymczak, NK, Franz, JA, Finke, RG, Bitterwolf, TE, Shaw, WJ & Smurthwaite, T 2009, Catalyst structure determination using operando XAFS. in American Chemical Society - 237th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. ACS National Meeting Book of Abstracts, 237th National Meeting and Exposition of the American Chemical Society, ACS 2009, Salt Lake City, UT, United States, 3/22/09.

Linehan, John C. ; Fulton, John L. ; Balasubramanian, Mahalingam ; Chen, Yongsheng ; Autrey, Tom ; Szymczak, Nathaniel K. ; Franz, James A. ; Finke, Richard G. ; Bitterwolf, Thomas E. ; Shaw, Wendy J. ; Smurthwaite, Tricia. / Catalyst structure determination using operando XAFS. American Chemical Society - 237th National Meeting and Exposition, ACS 2009, Abstracts of Scientific Papers. 2009. (ACS National Meeting Book of Abstracts).

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abstract = "Spectroscopy of catalyst systems under actual operating conditions, or operando spectroscopy, has become instrumental in helping to determine the structures and mechanisms of catalytic systems. Operando spectroscopy is differentiated from in situ spectroscopy in that operando spectroscopy occurs under the actual catalyst operating conditions. In addition, a measure of the catalyst activity is also critical during operando spectroscopy. Operando spectroscopy has revealed that some catalytic systems operate under much different conditions than previously believed based on ex situ analysis. We present some of our recent work using operando XAFS of catalytic systems varying from hydrogen release of hydrogen storage materials to benzene hydrogenation. We present a basic introduction into XAFS and its use as an operando technique and show how this technique can be used to differentiate between catalyst containing highly dispersed nanoparticles and organometallic clusters.",

author = "Linehan, {John C.} and Fulton, {John L.} and Mahalingam Balasubramanian and Yongsheng Chen and Tom Autrey and Szymczak, {Nathaniel K.} and Franz, {James A.} and Finke, {Richard G.} and Bitterwolf, {Thomas E.} and Shaw, {Wendy J.} and Tricia Smurthwaite",

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AU - Linehan, John C.

AU - Fulton, John L.

AU - Balasubramanian, Mahalingam

AU - Chen, Yongsheng

AU - Autrey, Tom

AU - Szymczak, Nathaniel K.

AU - Franz, James A.

AU - Finke, Richard G.

AU - Bitterwolf, Thomas E.

AU - Shaw, Wendy J.

AU - Smurthwaite, Tricia

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N2 - Spectroscopy of catalyst systems under actual operating conditions, or operando spectroscopy, has become instrumental in helping to determine the structures and mechanisms of catalytic systems. Operando spectroscopy is differentiated from in situ spectroscopy in that operando spectroscopy occurs under the actual catalyst operating conditions. In addition, a measure of the catalyst activity is also critical during operando spectroscopy. Operando spectroscopy has revealed that some catalytic systems operate under much different conditions than previously believed based on ex situ analysis. We present some of our recent work using operando XAFS of catalytic systems varying from hydrogen release of hydrogen storage materials to benzene hydrogenation. We present a basic introduction into XAFS and its use as an operando technique and show how this technique can be used to differentiate between catalyst containing highly dispersed nanoparticles and organometallic clusters.

AB - Spectroscopy of catalyst systems under actual operating conditions, or operando spectroscopy, has become instrumental in helping to determine the structures and mechanisms of catalytic systems. Operando spectroscopy is differentiated from in situ spectroscopy in that operando spectroscopy occurs under the actual catalyst operating conditions. In addition, a measure of the catalyst activity is also critical during operando spectroscopy. Operando spectroscopy has revealed that some catalytic systems operate under much different conditions than previously believed based on ex situ analysis. We present some of our recent work using operando XAFS of catalytic systems varying from hydrogen release of hydrogen storage materials to benzene hydrogenation. We present a basic introduction into XAFS and its use as an operando technique and show how this technique can be used to differentiate between catalyst containing highly dispersed nanoparticles and organometallic clusters.

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