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Zhou L, Yang Z, Luo W, et al. Thermally Conductive, Electrical Insulating, Optically Transparent Bi-Layer Nanopaper. ACS Appl Mater Interfaces. 2016;8(42):28838-28843doi: 10.1021/acsami.6b09471.
Zhou, L., Yang, Z., Luo, W., Han, X., Jang, S. H., Dai, J., Yang, B., & Hu, L. (2016). Thermally Conductive, Electrical Insulating, Optically Transparent Bi-Layer Nanopaper. ACS applied materials & interfaces, 8(42), 28838-28843. https://doi.org/10.1021/acsami.6b09471
Zhou, Lihui, et al. "Thermally Conductive, Electrical Insulating, Optically Transparent Bi-Layer Nanopaper." ACS applied materials & interfaces vol. 8,42 (2016): 28838-28843. doi: https://doi.org/10.1021/acsami.6b09471
Zhou L, Yang Z, Luo W, Han X, Jang SH, Dai J, Yang B, Hu L. Thermally Conductive, Electrical Insulating, Optically Transparent Bi-Layer Nanopaper. ACS Appl Mater Interfaces. 2016 Oct 26;8(42):28838-28843. doi: 10.1021/acsami.6b09471. Epub 2016 Oct 13. PMID: 27704759.
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ACS Appl Mater Interfaces. 2016 Oct 26;8(42):28838-28843. doi: 10.1021/acsami.6b09471. Epub 2016 Oct 13.

Thermally Conductive, Electrical Insulating, Optically Transparent Bi-Layer Nanopaper.

ACS applied materials & interfaces

Lihui Zhou, Zhi Yang, Wei Luo, Xiaogang Han, Soo-Hwan Jang, Jiaqi Dai, Bao Yang, Liangbing Hu

Affiliations

  1. School of Chemistry and Molecular Engineering, East China University of Science and Technology , Shanghai 200237, China.
  2. Department of Materials Science and Engineering, University of Maryland , College Park, Maryland 20742, United States.
  3. Department of Mechanical Engineering, University of Maryland , College Park, Maryland 20742, United States.

PMID: 27704759 DOI: 10.1021/acsami.6b09471

Abstract

Cellulose nanofiber (CNF) from abundant and renewable wood is an emerging material with excellent mechanical, chemical, and optical properties. Transparent nanopaper made of CNF (CNF-nanopaper) could potentially replace plastics in electronics due to its excellent optical transparency, mechanical strength, and biodegradability. However, CNF-nanopaper normally has a low thermal conductivity and poor stability in increasing temperatures, which is not suitable for long-term stability and reliability in devices. Herein, for the first time, we report a thermally conductive, electrically insulating, and optically transparent nanopaper using a bilayer design where a thin layer of boron nitride (BN) nanosheets were coated on the CNF-nanopaper. An optical transparency (70%) and a thermal conductivity (0.76 W/m/K) were successfully achieved through a solution-based process at room temperature. Such an optically transparent, electrically insulating, and thermally conductive bilayer nanopaper can find applications in a range of electronic devices.

Keywords: bilayer design; cellulose nanopaper; electronically insulating; optically transparent; solvent exfoliation; thermally conductive

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