期刊
JOURNAL OF PHYSICAL CHEMISTRY C
卷 116, 期 8, 页码 4970-4978出版社
AMER CHEMICAL SOC
DOI: 10.1021/jp209180j
关键词
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资金
- National Basic Research Program of China [2010CB934700]
- National Natural Science Foundation of China [51073115, 51003072, 51173127, 51011140072]
- Doctoral Program of Higher Education of China [20110032110067]
- Natural Science Foundation of Tianjin City [10JCZDJC22400]
Transparent, conductive, and flexible multiwalled carbon nanotube (MWCNT)/graphene hybrids with two three-dimensional microstructures-an interconnected network and a double-layer structure-were prepared. The conductivity and performance of MWCNT/graphene films can be controlled by different microstructures. A photoswitch using a layered heterostructure of a CdTe quantum dot on an interconnected MWCNT/graphene (IN-MWCNT/graphene) electrode shows an enhanced reversible photocurrent with a higher on/off ratio than that of double-layer structures (DL-MWCNT/graphene). Electrochemical capacitors using a IN-MWCNT/graphene network also exhibit an outstanding rate capability and good cycling stability due to a large surface area and high porosity. Results indicate that the IN-MWCNT/graphene hybrid with porous structures and strong it-interaction is an excellent conductive network for multifunctional flexible devices. The performance of MWCNT/graphene hybrid films can be further optimized by the improved interface and microstructures.
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