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Co-precipitation synthesis and gas-sensing properties of ZnO hollow sphere with porous shell |
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| Authors: | Fan MengAuthor VitaeJing YinAuthor Vitae Yue-Qin DuanAuthor VitaeZhi-Hao YuanAuthor Vitae Li-Jian BieAuthor Vitae |
| Affiliation: | a School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China b School of Environmental Science and Safety Engineering, Tianjin University of Technology, Tianjin 300384, China c Tianjin Key Lab for Photoelectric Materials & Devices, Tianjin University of Technology, Tianjin 300384, China |
| Abstract: | ZnO hollow sphere with porous shell has been prepared by co-precipitation method using Zn(NO3)2·6H2O and (CH2)6N4 as reactants, sodium citrate as surfactant. The BET surface area of as-prepared ZnO hollow sphere sample is 41.84 m2/g. The response of gas sensor made from the obtained ZnO hollow sphere reaches 7.4 to 10 ppm ammonia, with a response time of 10 s, implying the potential for practical applications. |
| Keywords: | Zinc oxide Co-precipitation Hollow sphere Porous shell Gas-sensing |
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