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Intraparticle Charge Delocalization through Conjugated Metal-Ligand Interfacial Bonds: Effects of Metal d Electrons
Yi Peng,Eduardo Y. Hirata,Wanzhang Pan,Limei Chen,Jia En Lu,Shaowei Chen*
Author NameAffiliationE-mail
Yi Peng Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA  
Eduardo Y. Hirata Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA  
Wanzhang Pan Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA  
Limei Chen Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA  
Jia En Lu Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA  
Shaowei Chen* Department of Chemistry and Biochemistry, University of California, Santa Cruz, California 95064, USA shaowei@ucsc.edu 
Abstract:
Intraparticle charge delocalization occurs when metal nanoparticles are functionalized with organic capping ligands through 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 and the impacts of the number 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:This work was supported, in part, by the National Science Foundation (DMR-1409396 and CHE-1710408).
基于金属-配体共轭界面键的纳米粒子内电荷离域:金属d电子的影响
彭益,Eduardo Y. Hirata,潘万章,陈丽梅,吕家恩,陈少伟*
摘要:
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DOI:10.1063/1674-0068/31/cjcp1804073
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