期刊
NANO LETTERS
卷 12, 期 6, 页码 2763-2767出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl300886h
关键词
X-ray absorption spectroscopy; quantum dot; electronic structure; ab initio modeling; surface passivation; CdSe
类别
资金
- LDRD at LLNL [07-LW-041]
- Office of Basic Energy Sciences (OBES), Materials Science Division (MSD), of the U.S. DOE
- LLNL [DE-AC52-07NA27344]
- Office of Science, OBES, MSD, of the U.S. DOE at LBNL [DE-AC03-76SF00098]
- OBES Division of the U.S. DOE [DE-FG02-ER46232]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1126587] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0911080] Funding Source: National Science Foundation
X-ray absorption spectroscopy and ab initio modeling of the experimental spectra have been used to investigate the effects of surface passivation on the unoccupied electronic states of CdSe quantum dots (QDs). Significant differences are observed in the unoccupied electronic structure of the CdSe QDs, which are shown to arise from variations in specific ligand-surface bonding interactions.
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