Kajian Perkembangan Teknologi Sensor Gas untuk Emisi Gas Buang Kendaraan Bermotor

Slamet Widodo

Abstract


Sensor gas berbasis metal oksida telah banyak digunakan untuk mendeteksi gas-gas polutan yang dihasilkan dan emisi gas buang kendaraan bermotor, seperti CO, SO2, NH3, NO,  hidrokarbon (HC), dsb. Akan tetapi permasalahan yang sampai sekarang masih dihadapi oleh sensor gas berbasis metal oksida adalah rendahnya sensitivitas,  lemahnya selektivitas, dan  kurangnya stabilitas sensor. Oleh karena itu,  sangat  sulit  untuk menghasilkan sebuah sensor gas berbasis metal-oksida yang akurat dan bertahan untuk jangka waktu yang lama. Dalam review yang singkat ini, akan dibahas state-of-the-art teknologi, metode rancang bangun, dan teknik-teknik yang dapat dilakukan dalam meningkatkan kinerja sensor gas berbasis metal oksida.

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