Electronic Supplementary Information · Furthermore, the TGA also reveals the presence of...
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Electronic Supplementary Information Fabrication of ZnO nanorod-assembled multishelled hollow spheres and enhanced performance in gas sensor Peng Hu, Ning Han, Xing Zhang, Mingshui Yao, Yuebin Cao, Ahui Zuo, Gang Yang and Fangli Yuan* State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190 (PR China) Fiugre S1 Schematic illustration of the sensor setup. Figure S2 XRD pattern of synthesized products. 4 8 1-HCHO solution, 2- Sample valve, 3-Tube furnace, 4-Sensing film, 5-Pt wire 6-Ag paste, 7-Keithley 2601 sourcemeter, 8-GPID card, 9-PC, 10-KMnO4+H2SO4 3 Effluent 10 2 1 Air 6 5 7 9 2 20 40 60 80 Intensity(a.u.) 2 Θ ( deg. ) (202) (004) (201) (112) (200) (103) (110) (102) (101) (002) (100) Electronic Supplementary Material (ESI) for Journal of Materials Chemistry This journal is © The Royal Society of Chemistry 2011
Transcript of Electronic Supplementary Information · Furthermore, the TGA also reveals the presence of...
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Electronic Supplementary Information
Fabrication of ZnO nanorod-assembled multishelled hollow
spheres and enhanced performance in gas sensor
Peng Hu, Ning Han, Xing Zhang, Mingshui Yao, Yuebin Cao, Ahui Zuo, Gang Yang and Fangli
Yuan*
State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese
Academy of Sciences, Beijing 100190 (PR China)
Fiugre S1 Schematic illustration of the sensor setup.
Figure S2 XRD pattern of synthesized products.
4
8
1-HCHO solution, 2- Sample valve, 3-Tube furnace, 4-Sensing film, 5-Pt wire6-Ag paste, 7-Keithley 2601 sourcemeter, 8-GPID card, 9-PC, 10-KMnO4+H2SO4
3
Effluent
10
2
1
Air
65
7 9
2
20 40 60 80
Inte
nsity
(a.u
.)
2Θ(deg.)
(202
)
(004
)(201
)(1
12)
(200
)(10
3)(110
)
(102
)
(101
)(0
02)(100
)
Electronic Supplementary Material (ESI) for Journal of Materials ChemistryThis journal is © The Royal Society of Chemistry 2011
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Figure S3 The products synthesized in mixed ternary solvents (EG, ethanol and water) without
adding PEO-PPO-PEO copolymer by varying the volume ratio of solvents: (a) 4 mL water, 6 mL
ethanol and 60 mL ethylene glycol, (b) 7.5 mL water, 2.5 mL ethanol and 60 mL ethylene
glycol, (c) 10 mL water, 10 mL ethanol and 50 mL ethylene glycol and (d) 18 mL water, 12
mL ethanol and 40 mL ethylene glycol.
Figure S4 TGA analysis of PEO-PPO-PEO copolymer bonded ZnO capsules. The weight loss
Electronic Supplementary Material (ESI) for Journal of Materials ChemistryThis journal is © The Royal Society of Chemistry 2011
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steps between 200 and 300 oC is attributed to the pyrolysis of the copolymer and the PEG block,
and the second weight loss higher than 340 o
C corresponds to the decomposition of the residue
polymer especially the PPG block.
Figure S5 Size distribution histograms of the particles obtained with different react time (a) 50 min, (b) 6 h and (c) 12 h.
Electronic Supplementary Material (ESI) for Journal of Materials ChemistryThis journal is © The Royal Society of Chemistry 2011
Electronic Supplementary InformationFabrication of ZnO nanorod-assembled multishelled hollow spheres and enhanced performance in gas sensor
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