Dyeing Bacterial Cellulose Pellicles for Energetic Heteroatom Doped Carbon Nanofiber Aerogels

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1 Nano Research DOI /s Nano Res 1 Dyeing Bacterial Cellulose Pellicles for Energetic Heteroatom Doped Carbon Nanofiber Aerogels Zhen-Yu Wu, Hai-Wei Liang, Chao Li, Bi-Cheng Hu, Xing-Xing Xu, Qing Wang, Jia-Fu Chen, and Shu-Hong Yu( ) Nano Res., Just Accepted Manuscript DOI: /s on July 18, 2014 Tsinghua University Press 2014 Just Accepted This is a Just Accepted manuscript, which has been examined by the peer-review process and has been accepted for publication. A Just Accepted manuscript is published online shortly after its acceptance, which is prior to technical editing and formatting and author proofing. Tsinghua University Press (TUP) provides Just Accepted as an optional and free service which allows authors to make their results available to the research community as soon as possible after acceptance. After a manuscript has been technically edited and formatted, it will be removed from the Just Accepted Web site and published as an ASAP article. Please note that technical editing may introduce minor changes to the manuscript text and/or graphics which may affect the content, and all legal disclaimers that apply to the journal pertain. In no event shall TUP be held responsible for errors or consequences arising from the use of any information contained in these Just Accepted manuscripts. To cite this manuscript please use its Digital Object Identifier (DOI ), which is identical for all formats of publication.

2 Electronic Supplementary Material Dyeing Bacterial Cellulose Pellicles for Energetic Heteroatom Doped Carbon Nanofiber Aerogels Zhen-Yu Wu, Hai-Wei Liang, Chao Li, Bi-Cheng Hu, Xing-Xing Xu, Qing Wang, Jia-Fu Chen, and Shu-Hong Yu( ) Supporting information to DOI /s12274-****-****-* (automatically inserted by the publisher) Figure S1. The morphologies of CNF-800. (a,b) SEM images and (c) TEM image of CNF-800 aerogel. (d) HRTEM image of an individual CNF-800. Address correspondence to Shu-Hong Yu, Fax: , shyu@ustc.edu.cn

3 Figure S2. The morphologies and chemical compositions of N-S-CNF-800 (CR). (a,b) SEM images and (c) TEM image of N-S-CNF-800 (CR) aerogel. (d) HRTEM image of an individual N-S-CNF-800 (CR). (e) XPS survey spectra of N-S-CNF-800 (CR). High-resolution XPS spectra of the deconvoluted (f) N 1s peak and (g) S 2p of N-S-CNF-800 (CR). Figure S3. The morphologies and chemical compositions of N-S-CNF-800 (AF). (a,b) SEM images and (c) TEM image of N-S-CNF-800 (AF) aerogel. (d) HRTEM image of an individual N-S-CNF-800 (AF). (e) XPS survey spectra of N-S-CNF-800 (AF). High-resolution XPS spectra of the deconvoluted (f) N 1s peak and (g) S 2p of N-S-CNF-800 (AF).

4 Figure S4. The morphologies and chemical compositions of N-S-CNF-800 (MO). (a,b) SEM images and (c) TEM image of N-S-CNF-800 (MO) aerogel. (d) HRTEM image of an individual N-S-CNF-800 (MO). (e) XPS survey spectra of N-S-CNF-800 (MO). High-resolution XPS spectra of the deconvoluted (f) N 1s peak and (g) S 2p of N-S-CNF-800 (MO). Figure S5. The morphologies and chemical compositions of N-CNF-800 (CV). (a,b) SEM images and (c) TEM image of N-CNF-800 (CV) aerogel. (d) HRTEM image of an individual N-CNF-800 (CV). (e) XPS survey spectra of N-CNF-800 (CV). (f) High-resolution XPS spectra of the deconvoluted N 1s peak of N-CNF-800 (CV). Address correspondence to Shu-Hong Yu, Fax: , shyu@ustc.edu.cn

5 Figure S6. The morphologies and chemical compositions of N-CNF-800 (RB). (a,b) SEM images and (c) TEM image of N-CNF-800 (RB) aerogel. (d) HRTEM image of an individual N-CNF-800 (RB). (e) XPS survey spectra of N-CNF-800 (RB). (f) High-resolution XPS spectra of the deconvoluted N 1s peak of N-CNF-800 (RB). Figure S7. XPS survey spectra of (a) MB, (b) BC, (c) BC/MB hybrid aerogel, and (d) N-S-CNF-800 (MB)

6 Figure S8. LSVs of N-S-CNF-800 (MB), N-S-CNF-800 (MB)-Fe, and Pt/C catalyst at a scan of 10 mv s -1, electrode rotating rate: 1600rpm. Figure S9. (a) LSVs of Pt/C catalyst with various rotation rates at a scan of 10 mv s -1. (b) The corresponding Koutecky Levich plots (j -1 vs. ω -1/2 ) at different potentials. Address correspondence to Shu-Hong Yu, Fax: , shyu@ustc.edu.cn

7 Figure S10. Galvanostatic charge/discharge curves of (a) CNF-700, (b) N-S-CNF-600 (MB), (c) N-S-CNF-800 (MB), and (d) N-S-CNF-900 (MB) with different current densities. Figure S11. CV curves of (a) CNF-700, (b) N-S-CNF-600 (MB), (c) N-S-CNF-800 (MB), and (d) N-S-CNF-900 (MB) at different scan rates.

8 Figure S12. (a) Ragone plot of N-S-CNF-700 (MB)-based supercapacitor. (b) Capacitance retention versus the cycle number measured at 2 A g -1. Table S1. Chemical composition of CNF aerogel and doped CNF aerogels. Sample C [at%] O [at%] N [at%] S [at%] Na [at%] CNF / / N-S-CNF-800 (MB) / N-S-CNF-800 (CR) N-S-CNF-800 (AF) N-S-CNF-800 (MO) / N- CNF-800 (CV) / / N- CNF-800 (RB) / / Table S2. Chemical composition of N-S-CNF-y (MB) aerogels. Sample C [at%] O [at%] N [at%] S [at%] N-S-CNF-600 (MB) N-S-CNF-700 (MB) N-S-CNF-800 (MB) N-S-CNF-900 (MB) Address correspondence to Shu-Hong Yu, Fax: , shyu@ustc.edu.cn