期刊
ACS APPLIED MATERIALS & INTERFACES
卷 14, 期 10, 页码 12404-12411出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.2c00089
关键词
conducting; metal-organic frameworks; molecular doping; n-type; p-type
资金
- National Council of Science and Technology-Mexico (CONACYT) [526108]
In this work, a switch from n-type to p-type conductivity in electrodeposited Cu-3(HHTP2) is observed, most likely due to oxygen molecular doping. The synthesis of electrically conductive 2D metal-organic frameworks has been achieved through the introduction of highly conjugated organic linkers. However, the porous structure and unsaturated metal sites in MOFs make them susceptible to ambient adsorbates, which can affect their charge transport properties.
In this work, a switch from n-type to p-type conductivity in electrodeposited Cu-3(2,3,6,7,10,11-hexahydroxytriphenylene)(2) [Cu-3(HHTP2)] has been observed, which is most likely due to oxygen molecular doping. The synthesis of electrically conductive 2D metal-organic frameworks (MOFs) has been achieved through the introduction of highly conjugated organic linkers coordinated to their constituent metal-ion centers. However, the porous structure and unsaturated metal sites in MOFs make them susceptible to ambient adsorbates, which can affect their charge transport properties. This phenomenon has been experimentally investigated by GIXRD, Hall effect and Seebeck measurements, and X-ray photoelectron spectroscopy.
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