SnO2 bụ ihe mmetụta ihe mmetụta semiconductor dị mkpa nwere oghere dị obosara, nke bụ Eg = 3.6 eV n'ime ụlọ okpomọkụ.N'ihi na nanomaterials nwere àgwà nke obere urughuru size na nnukwu kpọmkwem n'elu, na gas na-aghọta Njirimara nke ihe nwere ike ukwuu mma.Ihe mmetụta gas nke a kwadebere na ya nwere mmetụta dị elu ma jiri ya mee ihe na nchọpụta na ịkọ amụma gas dị iche iche na-ere ọkụ, ikuku mmetọ gburugburu ebe obibi, gas mkpofu ụlọ ọrụ na gas na-emerụ ahụ, dị ka CO, H2S, NOx, H2, CH4, wdg.
Ihe mmetụta iru mmiri nke ejiri SnO2 kwadebere dị ka ihe ndabere nwere ngwa iji melite gburugburu ime ụlọ, ụlọ akụrụngwa nkenke, ọba akwụkwọ, ụlọ ọrụ nka, ụlọ ngosi ihe mgbe ochie na ihe ndị ọzọ.Site na doping-quantitative Co0, Co2O3, Cr2O3, Nb2O5, Ta2O5, wdg na SnO2, a pụrụ ime varistors nwere ụkpụrụ nguzogide dị iche iche, nke a na-ejikarị na usoro ike, sekit eletriki, na ngwa ụlọ.