Karakterisasi Sensor Gas Liquefied Petroleum Gas (LPG) Dari Bahan Semikonduktor Heterokontak CUO/CUO(TIO2)

Authors

  • Essy Puspa Zelvia
  • Elvaswer Elvaswer

DOI:

https://doi.org/10.25077/jif.9.2.87-96.2017

Abstract

Telah dilakukan karakterisasi sensor Liquefied Petroleum Gas (LPG) berupa pelet heterokontak dengan lapisan pertama pelet adalah 100% mol CuO dan lapisan kedua pelet adalah CuO yang dicampur 10% mol, 20% mol, 30% mol, 40% mol dan 50% mol TiO2. Tahap pembuatan sensor LPG terdiri atas pencampuran bahan, kalsinasi pada temperatur 500oC selama 4 jam, penggerusan, kompaksi, dan sintering pada temperatur 700oC selama 4 jam.  Sensor LPG diuji pada temperatur ruang (27oC) dengan melihat karakteristik arus dan tegangan (I-V), nilai sensitivitas, nilai konduktivitas dan karakterisasi  XRD. Karakteristik I-V menunjukkan perubahan terbesar terjadi pada sampel CuO/CuO(20% mol TiO2). Nilai sensitivitas tertinggi dimiliki sampel CuO/CuO(20% mol TiO2) sebesar 11,94 pada tegangan 10 volt, dan merupakan sampel yang paling bagus digunakan sebagai sensor gas LPG. Nilai konduktivitas tertinggi dimiliki sampel CuO/CuO(10% mol TiO2) dengan nilai konduktivitas di udara sebesar 6,60557x10-5 Ω-1m-1 dan nilai konduktivitas di LPG 25,80712x10-5 Ω-1m-1.

 

Kata kunci : heterokontak, sensor LPG, CuO/CuO(TiO2), karakterisasi I-V, sensitivitas, konduktivitas.

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Published

2017-09-01

How to Cite

Zelvia, E. P., & Elvaswer, E. (2017). Karakterisasi Sensor Gas Liquefied Petroleum Gas (LPG) Dari Bahan Semikonduktor Heterokontak CUO/CUO(TIO2). JURNAL ILMU FISIKA | UNIVERSITAS ANDALAS, 9(2), 87–96. https://doi.org/10.25077/jif.9.2.87-96.2017

Issue

Vol. 9 No. 2 (2017): September 2017

Section

Research Article

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