High selectivity of a CuO modified hollow SnO2 nanofiber gas sensor to H2S at low temperatureJiejie Yang, Chaojun Gao, Hui Yang, Xinchang Wang and Jianfeng JiaEur. Phys. J. Appl. Phys., 79 3 (2017) 30101DOI: https://doi.org/10.1051/epjap/2017170123
