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Intraparticle Charge Delocalization through Conjugated Metal-Ligand Interfacial Bonds: Effects of Metal d Electrons
ChenShaowei
Author NameAffiliationE-mail
ChenShaowei Department of Chemistry and Biochemistry, University of California, 1156 High Street, Santa Cruz, California 95064, USA shaowei@ucsc.edu 
Abstract:
Intraparticle charge delocalization occurs when metal nanoparticles are functionalized with organic capping ligands though conjugated metal-ligand interfacial bonds. In this study, metal nanoparticles of 5d metals (Ir, Pt, and Au) and 4d metals (Ru, Rh, and Pd) were prepared and capped with ethynylphenylacetylene (EPA) and the impacts of metal d electrons on the nanoparticle optoelectronic properties were examined. Both FTIR and photoluminescence measurements indicate that intraparticle charge delocalization was enhanced with the increase of the number of d-electrons in the same period with palladium being an exception.
Key words:  Nanoparticle, d electron, Acetylene, Interfacial bond, Intraparticle charge delocalization
FundProject:
Intraparticle Charge Delocalization through Conjugated Metal-Ligand Interfacial Bonds: Effects of Metal d Electrons
ChenShaowei
摘要:
Intraparticle charge delocalization occurs when metal nanoparticles are functionalized with organic capping ligands though conjugated metal-ligand interfacial bonds. In this study, metal nanoparticles of 5d metals (Ir, Pt, and Au) and 4d metals (Ru, Rh, and Pd) were prepared and capped with ethynylphenylacetylene (EPA) and the impacts of metal d electrons on the nanoparticle optoelectronic properties were examined. Both FTIR and photoluminescence measurements indicate that intraparticle charge delocalization was enhanced with the increase of the number of d-electrons in the same period with palladium being an exception.
关键词:  Nanoparticle, d electron, Acetylene, Interfacial bond, Intraparticle charge delocalization
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