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The energy crisis and environmental pollution are serious challenges that humanity will face for the long-term. Despite tremendous efforts, the development of environmentally friendly methods to fabricate new energy materials is still challenging. Here we report, for the first time, a new strategy to fabricate various doped carbon nanofiber (CNF) aerogels by pyrolysis of bacterial cellulose (BC) pellicles which had adsorbed or were dyed with different toxic organic dyes. The proposed strategy makes it possible to remove the toxic dyes from waste-water and then synthesize doped CNF aerogels using the dyed BC pellicles as precursors. Compared with other reported processes for preparing heteroatom doped carbon (HDC) nanomaterials, the present synthetic method has some significant advantages, such as being green, general, low-cost and easily scalable. Moreover, the as-prepared doped CNF aerogels exhibit great potential as electrocatalysts for the oxygen reduction reaction (ORR) and as electrode materials for supercapacitors.


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Dyeing bacterial cellulose pellicles for energetic heteroatom doped carbon nanofiber aerogels

Show Author's information Zhen-Yu Wu§Hai-Wei Liang§Chao LiBi-Cheng HuXing-Xing XuQing WangJia-Fu ChenShu-Hong Yu( )
Division of Nanomaterials and Chemistry Hefei National Laboratory for Physical Sciences at Microscale Collaborative Innovation Center of Suzhou Nano Science and Technology Department of Chemistry University of Science and Technology of ChinaHefeiAnhui 230026 China

§ These authors contributed equally to this work.

Abstract

The energy crisis and environmental pollution are serious challenges that humanity will face for the long-term. Despite tremendous efforts, the development of environmentally friendly methods to fabricate new energy materials is still challenging. Here we report, for the first time, a new strategy to fabricate various doped carbon nanofiber (CNF) aerogels by pyrolysis of bacterial cellulose (BC) pellicles which had adsorbed or were dyed with different toxic organic dyes. The proposed strategy makes it possible to remove the toxic dyes from waste-water and then synthesize doped CNF aerogels using the dyed BC pellicles as precursors. Compared with other reported processes for preparing heteroatom doped carbon (HDC) nanomaterials, the present synthetic method has some significant advantages, such as being green, general, low-cost and easily scalable. Moreover, the as-prepared doped CNF aerogels exhibit great potential as electrocatalysts for the oxygen reduction reaction (ORR) and as electrode materials for supercapacitors.

Keywords: oxygen reduction reaction, supercapacitors, electrocatalysts, organic dyes, bacterial cellulose, doped carbon nanofiber aerogels

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Publication history
Copyright
Acknowledgements

Publication history

Received: 08 June 2014
Revised: 14 July 2014
Accepted: 18 July 2014
Published: 11 September 2014
Issue date: December 2014

Copyright

© Tsinghua University Press and Springer-Verlag Berlin Heidelberg 2014

Acknowledgements

Acknowledgements

This work is supported by the Ministry of Science and Technology of China (Grants 2010CB934700, 2013CB933900, 2014CB931800), the National Natural Science Foundation of China (Grants 21431006, 91022032, 91227103, 21061160492, J1030412), the Chinese Academy of Sciences (Grant KJZD-EWM01-1), and Hainan Province Science and Technology Department (CXY20130046) for financial support. We thank Ms. C. Y. Zhong for kindly providing purified bacterial cellulose pellicles.

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