Template growth of Au, Ni and Ni–Au nanoclusters on hexagonal boron nitride/Rh(111): a combined STM, TPD and AES study
The template growth of Au, Ni, and Ni–Au bimetallic nanoclusters on hexagonal boron nitride/Rh(111), i.e. h-BN/Rh(111), was investigated via scanning tunneling microscopy (STM), temperature programmed-desorption (TPD), and Auger electron spectroscopy (AES). STM study shows that template growth of Au...
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| Veröffentlicht in: | RSC advances 2017-01, Vol.7 (70), p.44169-44177 |
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| creator | Wu, Fanglue Huang, Dali Yue, Yuan Liu, Li |
| description | The template growth of Au, Ni, and Ni–Au bimetallic nanoclusters on hexagonal boron nitride/Rh(111),
i.e.
h-BN/Rh(111), was investigated
via
scanning tunneling microscopy (STM), temperature programmed-desorption (TPD), and Auger electron spectroscopy (AES). STM study shows that template growth of Au clusters on h-BN/Rh(111) forms mainly well-dispersed monolayer clusters. In contrast, Ni forms large multilayer clusters showing a relatively high diffusivity on h-BN/Rh(111) substrate. Ni–Au bimetallic clusters are effectively formed first by Au deposition followed by Ni deposition, with the Au clusters functioning as nucleation sites for the subsequently deposited Ni. Further structural analysis was carried out
via
TPD and AES. The resulting TPD and AES data show the surface composition and charge transfer between Au and Ni of the bimetallic clusters. These results suggest that the h-BN/Rh(111) substrate represents a unique candidate for supporting Ni–Au bimetallic clusters in further catalytic reactions. |
| doi_str_mv | 10.1039/C7RA08880A |
| format | Article |
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i.e.
h-BN/Rh(111), was investigated
via
scanning tunneling microscopy (STM), temperature programmed-desorption (TPD), and Auger electron spectroscopy (AES). STM study shows that template growth of Au clusters on h-BN/Rh(111) forms mainly well-dispersed monolayer clusters. In contrast, Ni forms large multilayer clusters showing a relatively high diffusivity on h-BN/Rh(111) substrate. Ni–Au bimetallic clusters are effectively formed first by Au deposition followed by Ni deposition, with the Au clusters functioning as nucleation sites for the subsequently deposited Ni. Further structural analysis was carried out
via
TPD and AES. The resulting TPD and AES data show the surface composition and charge transfer between Au and Ni of the bimetallic clusters. These results suggest that the h-BN/Rh(111) substrate represents a unique candidate for supporting Ni–Au bimetallic clusters in further catalytic reactions.</description><identifier>ISSN: 2046-2069</identifier><identifier>EISSN: 2046-2069</identifier><identifier>DOI: 10.1039/C7RA08880A</identifier><language>eng</language><publisher>United States: Royal Society of Chemistry</publisher><subject>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY ; MATERIALS SCIENCE</subject><ispartof>RSC advances, 2017-01, Vol.7 (70), p.44169-44177</ispartof><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c294t-c7c96eda062265968dff8c44872f39329359d9e566ae344845bcbd268262041c3</citedby><cites>FETCH-LOGICAL-c294t-c7c96eda062265968dff8c44872f39329359d9e566ae344845bcbd268262041c3</cites><orcidid>0000-0003-4482-6755 ; 0000000344826755</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,860,881,27901,27902</link.rule.ids><backlink>$$Uhttps://www.osti.gov/servlets/purl/1425834$$D View this record in Osti.gov$$Hfree_for_read</backlink></links><search><creatorcontrib>Wu, Fanglue</creatorcontrib><creatorcontrib>Huang, Dali</creatorcontrib><creatorcontrib>Yue, Yuan</creatorcontrib><creatorcontrib>Liu, Li</creatorcontrib><creatorcontrib>Energy Frontier Research Centers (EFRC) (United States). Center for Atomic-Level Catalyst Design (CALCD)</creatorcontrib><creatorcontrib>Louisiana State Univ., Baton Rouge, LA (United States)</creatorcontrib><creatorcontrib>Texas A & M Univ., College Station, TX (United States)</creatorcontrib><title>Template growth of Au, Ni and Ni–Au nanoclusters on hexagonal boron nitride/Rh(111): a combined STM, TPD and AES study</title><title>RSC advances</title><description>The template growth of Au, Ni, and Ni–Au bimetallic nanoclusters on hexagonal boron nitride/Rh(111),
i.e.
h-BN/Rh(111), was investigated
via
scanning tunneling microscopy (STM), temperature programmed-desorption (TPD), and Auger electron spectroscopy (AES). STM study shows that template growth of Au clusters on h-BN/Rh(111) forms mainly well-dispersed monolayer clusters. In contrast, Ni forms large multilayer clusters showing a relatively high diffusivity on h-BN/Rh(111) substrate. Ni–Au bimetallic clusters are effectively formed first by Au deposition followed by Ni deposition, with the Au clusters functioning as nucleation sites for the subsequently deposited Ni. Further structural analysis was carried out
via
TPD and AES. The resulting TPD and AES data show the surface composition and charge transfer between Au and Ni of the bimetallic clusters. These results suggest that the h-BN/Rh(111) substrate represents a unique candidate for supporting Ni–Au bimetallic clusters in further catalytic reactions.</description><subject>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</subject><subject>MATERIALS SCIENCE</subject><issn>2046-2069</issn><issn>2046-2069</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNpNUEtOwzAUtBBIVKUbTmCxAtRQ20lcm11UykfipzasI8d2mqDWrmxHtDvuwA05CYEiwWxm3tNopBkAjjG6wCjmo8l4liHGGMr2QI-ghEYEUb7_Tx-CgfevqANNMaG4Bza5Xq2XImi4cPYt1NBWMGuH8LGBwqiOPt8_shYaYaxctj5o56E1sNYbsbBGLGFpXXebJrhG6dGsPsUYn11CAaVdlY3RCs7zhyHMn69-ArPpHPrQqu0ROKjE0uvBL_fBy_U0n9xG9083d5PsPpKEJyGSY8mpVgJRQmjKKVNVxWSSsDGpYh4THqdccZ1SKnTcvZO0lKUilBHatcYy7oOTXa71oSm8bIKWtbTGaBkKnJCUxUlnOt-ZpLPeO10Va9eshNsWGBXf2xZ_28ZfDIJpTA</recordid><startdate>20170101</startdate><enddate>20170101</enddate><creator>Wu, Fanglue</creator><creator>Huang, Dali</creator><creator>Yue, Yuan</creator><creator>Liu, Li</creator><general>Royal Society of Chemistry</general><scope>AAYXX</scope><scope>CITATION</scope><scope>OIOZB</scope><scope>OTOTI</scope><orcidid>https://orcid.org/0000-0003-4482-6755</orcidid><orcidid>https://orcid.org/0000000344826755</orcidid></search><sort><creationdate>20170101</creationdate><title>Template growth of Au, Ni and Ni–Au nanoclusters on hexagonal boron nitride/Rh(111): a combined STM, TPD and AES study</title><author>Wu, Fanglue ; Huang, Dali ; Yue, Yuan ; Liu, Li</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c294t-c7c96eda062265968dff8c44872f39329359d9e566ae344845bcbd268262041c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY</topic><topic>MATERIALS SCIENCE</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wu, Fanglue</creatorcontrib><creatorcontrib>Huang, Dali</creatorcontrib><creatorcontrib>Yue, Yuan</creatorcontrib><creatorcontrib>Liu, Li</creatorcontrib><creatorcontrib>Energy Frontier Research Centers (EFRC) (United States). Center for Atomic-Level Catalyst Design (CALCD)</creatorcontrib><creatorcontrib>Louisiana State Univ., Baton Rouge, LA (United States)</creatorcontrib><creatorcontrib>Texas A & M Univ., College Station, TX (United States)</creatorcontrib><collection>CrossRef</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>RSC advances</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wu, Fanglue</au><au>Huang, Dali</au><au>Yue, Yuan</au><au>Liu, Li</au><aucorp>Energy Frontier Research Centers (EFRC) (United States). Center for Atomic-Level Catalyst Design (CALCD)</aucorp><aucorp>Louisiana State Univ., Baton Rouge, LA (United States)</aucorp><aucorp>Texas A & M Univ., College Station, TX (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Template growth of Au, Ni and Ni–Au nanoclusters on hexagonal boron nitride/Rh(111): a combined STM, TPD and AES study</atitle><jtitle>RSC advances</jtitle><date>2017-01-01</date><risdate>2017</risdate><volume>7</volume><issue>70</issue><spage>44169</spage><epage>44177</epage><pages>44169-44177</pages><issn>2046-2069</issn><eissn>2046-2069</eissn><abstract>The template growth of Au, Ni, and Ni–Au bimetallic nanoclusters on hexagonal boron nitride/Rh(111),
i.e.
h-BN/Rh(111), was investigated
via
scanning tunneling microscopy (STM), temperature programmed-desorption (TPD), and Auger electron spectroscopy (AES). STM study shows that template growth of Au clusters on h-BN/Rh(111) forms mainly well-dispersed monolayer clusters. In contrast, Ni forms large multilayer clusters showing a relatively high diffusivity on h-BN/Rh(111) substrate. Ni–Au bimetallic clusters are effectively formed first by Au deposition followed by Ni deposition, with the Au clusters functioning as nucleation sites for the subsequently deposited Ni. Further structural analysis was carried out
via
TPD and AES. The resulting TPD and AES data show the surface composition and charge transfer between Au and Ni of the bimetallic clusters. These results suggest that the h-BN/Rh(111) substrate represents a unique candidate for supporting Ni–Au bimetallic clusters in further catalytic reactions.</abstract><cop>United States</cop><pub>Royal Society of Chemistry</pub><doi>10.1039/C7RA08880A</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0003-4482-6755</orcidid><orcidid>https://orcid.org/0000000344826755</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | RSC advances, 2017-01, Vol.7 (70), p.44169-44177 |
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| language | eng |
| recordid | cdi_osti_scitechconnect_1425834 |
| source | DOAJ Directory of Open Access Journals; EZB-FREE-00999 freely available EZB journals |
| subjects | INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY MATERIALS SCIENCE |
| title | Template growth of Au, Ni and Ni–Au nanoclusters on hexagonal boron nitride/Rh(111): a combined STM, TPD and AES study |
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