Karakterisasi Sensor Liquefied Petroleum Gas (LPG) dari Bahan SnO2 Didoping dengan Al2O3

Karakterisasi terhadap sensor gas LPG dari bahan SnO2 didoping dengan Al2O3 telah dilakukan. Sampel dibuat persentase doping 0%, 2%, 4%, 6%, 8% dan 10% mol dasar SnO2. Sensor diuji pada temperatur ruang untuk mendapatkan karakteristik I-V, nilai sensitivitas, selektivitas, konduktivitas, waktu respon karakterisasi XRD. Berdasarkan pengukuran sensitivitas tertinggi sampel 92% + 8 % yaitu 4,33 tegangan 12 volt. Nilai selektivitas terdapat 2,67 6 konduktivitas dimiliki 12,06 x 10-4/Ω.m lingkungan LPG. Waktu 45 s 24 Hasil XRD menunjukkan ukuran kristal 43,67 nm lebih kecil dibandingkan 100% 57,74 nm. Characterization of sensors made from material doped with was performed. Samples were Percentages and the basic ingredient tested at room temperature by measuring I-V’s characteristics, calculating values sensitivity, selectivity, conductivity, response time characterization. Based on measurement I-V highest sensitivity sample is 4.33 a voltage volts. The selectivity value 2.67 conductivity given 12.06 10-4 / Ω.m in environment. sample’s Al2O3, which results that crystallite size 43.67 smaller than 57.74