期刊
ACS APPLIED MATERIALS & INTERFACES
卷 9, 期 46, 页码 40766-40773出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.7b09240
关键词
nanodiamond; nanofibrillated cellulose; hierarchical structure; thermal conductivity; optical transparency
资金
- National Natural Science Foundation of China [51703122]
- PetroChina Innovation Foundation [2016D-5007-0508]
- Natural Science Foundation of Shanghai [17ZR1440700]
- Program of Shanghai Academic/Technology Research Leader [17XD1424400]
High thermal conductive nanofibrillated cellulose (NFC) hybrid films based on nanodiamond (ND) were fabricated by a facile vacuum filtration technique. In this issue, the thermal conductivity (TC) on the in-plane direction of the NFC/ND hybrid film had a significant enhancement of 775.2% at a comparatively low ND content (0.5 wt %). The NFC not only helps ND to disperse in the aqueous medium stably but also plays a positive role in the formation of the hierarchical structure. ND could form a thermal conductive pathway in the hierarchical structures under the intermolecular hydrogen bonds. Moreover, the hybrid films composed of zero-dimensional ND and one-dimensional NFC exhibit remarkable mechanical properties and optical transparency. The NFC/ND hybrid films possessing superior TC, mechanical properties, and optical transparency can open applications for portable electronic equipment as a lateral heat spreader.
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