@inproceedings{ Siani2006,
  abstract = {The catalytic performance of cluster-derived PtFe/SiO2 bimetallic catalysts for the oxidation of CO was examined in the absence and presence of H2 and compared to that of Pt/SiO2. The clusters remained weakly bonded to the SiO2 surface and could be removed by extraction with CH2Cl2 without any changes in their structure. Subsequent heating in H2 flow resulted in complete decarbonylation of the supported clusters at approximately 350°C and the formation of bimetallic particles that were more active for CO oxidation than either Pt/SiO2 or a conventionally-prepared PtFe/SiO2 sample. The Pt5Fe2/SiO2 sample was also more active than Pt/SiO2 for preferential oxidation (PROX) with a selectivity of approximately 92% at up to 60°C. In this case the deactivation with time on stream was substantially lower, suggesting that the highly reducing environment under the Fe bimetallic PROX conditions helps to maintain the properties of the active Pt sites. This is an abstract of a paper presented at the AIChE Annual Meeting (San Francisco, CA 11/12-17/2006).},
  address = {Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States},
  annote = {Export Date: 15 January 2013

        
Source: Scopus

        
Language of Original Document: English

        
Correspondence Address: Siani, A.; Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States},
  author = {Siani, A and Captain, B and Alexeev, O S and Stafyla, E and Hungria, A B and Midgley, P A and Thomas, J M and Adams, R D and Amiridis, M D},
  booktitle = {AIChE Annual Meeting, Conference Proceedings},
  isbn = {081691012X (ISBN); 9780816910120 (ISBN)},
  series = {2006 AIChE Annual Meeting},
  title = {{Improved Co oxidation activity in the presence and absence of hydrogen over cluster-derived PtFe/SiO2 catalysts}},
  url = {https://www.scopus.com/inward/record.url?eid=2-s2.0-58049095635&partnerID=40&md5=91f766b97df386d4a44c2b527cb8554b},
  year = {2006}
}

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The clusters remained weakly bonded to the SiO2 surface and could be removed by extraction with CH2Cl2 without any changes in their structure. Subsequent heating in H2 flow resulted in complete decarbonylation of the supported clusters at approximately 350°C and the formation of bimetallic particles that were more active for CO oxidation than either Pt/SiO2 or a conventionally-prepared PtFe/SiO2 sample. The Pt5Fe2/SiO2 sample was also more active than Pt/SiO2 for preferential oxidation (PROX) with a selectivity of approximately 92% at up to 60°C. In this case the deactivation with time on stream was substantially lower, suggesting that the highly reducing environment under the Fe bimetallic PROX conditions helps to maintain the properties of the active Pt sites. This is an abstract of a paper presented at the AIChE Annual Meeting (San Francisco, CA 11/12-17/2006).},\n address = {Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States},\n annote = {Export Date: 15 January 2013\n\n \nSource: Scopus\n\n \nLanguage of Original Document: English\n\n \nCorrespondence Address: Siani, A.; Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States},\n author = {Siani, A and Captain, B and Alexeev, O S and Stafyla, E and Hungria, A B and Midgley, P A and Thomas, J M and Adams, R D and Amiridis, M D},\n booktitle = {AIChE Annual Meeting, Conference Proceedings},\n isbn = {081691012X (ISBN); 9780816910120 (ISBN)},\n series = {2006 AIChE Annual Meeting},\n title = {{Improved Co oxidation activity in the presence and absence of hydrogen over cluster-derived PtFe/SiO2 catalysts}},\n url = {https://www.scopus.com/inward/record.url?eid=2-s2.0-58049095635&partnerID=40&md5=91f766b97df386d4a44c2b527cb8554b},\n year = {2006}\n}","author_short":["Siani, A.","Captain, B.","Alexeev","S, O.","Stafyla, E.","Hungria","B, A.","Midgley","A, P.","Thomas","M, J.","Adams","D, R.","Amiridis","D, M."],"author":["Siani, A","Captain, B","Alexeev","S, O","Stafyla, E","Hungria","B, A","Midgley","A, P","Thomas","M, J","Adams","D, R","Amiridis","D, M"],"annote":"Export Date: 15 January 2013 Source: Scopus Language of Original Document: English Correspondence Address: Siani, A.; Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States","address":"Department of Chemical Engineering, University of South Carolina, 301 Main St., Columbia, SC 29208, United States","abstract":"The catalytic performance of cluster-derived PtFe/SiO2 bimetallic catalysts for the oxidation of CO was examined in the absence and presence of H2 and compared to that of Pt/SiO2. The clusters remained weakly bonded to the SiO2 surface and could be removed by extraction with CH2Cl2 without any changes in their structure. Subsequent heating in H2 flow resulted in complete decarbonylation of the supported clusters at approximately 350°C and the formation of bimetallic particles that were more active for CO oxidation than either Pt/SiO2 or a conventionally-prepared PtFe/SiO2 sample. The Pt5Fe2/SiO2 sample was also more active than Pt/SiO2 for preferential oxidation (PROX) with a selectivity of approximately 92% at up to 60°C. In this case the deactivation with time on stream was substantially lower, suggesting that the highly reducing environment under the Fe bimetallic PROX conditions helps to maintain the properties of the active Pt sites. 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