期刊
ACS NANO
卷 7, 期 3, 页码 2559-2565出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn305868n
关键词
CdSe nanocrystals; graphitic surface; graphene; atomic ligands; chlorine; interaction
类别
资金
- European Commission [239256]
- Spanish Ministry of Science and Innovation [RYC-2007-01709, MAT-2009-13488]
- Deutsche Forschungsgemeinschaft (DFG)
- Ministerio de Ciencia e Innovacion [FIS2010-18847, FIS2012-33011, CSD2007-00010]
- Comunidad de Madrid [S2009/MAT-1726]
- EU (SMALL) [PITN-GA-2009-23884]
The performance of devices based on semiconductor nanocrystals (NCs) improves both with stronger interface interactions among NCs and between NCs and solid electrode surfaces. The combination of X-ray photoelectron spectroscopy (XPS) and solid P-31 CP/MAS NMR (cross-polarization/magic angle spinning nuclear magnetic resonance) shows that the selective substitution of long organic chains by chlorine atomic ligands during the colloidal synthesis by the hot injection method promotes the adsorption of CdSe NCs to carbon sp(2) surfaces, leading to the formation of well-ordered NC monolayers on graphitic materials.
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