The objective of this research to synthesize the Selenium (Se) doped TiO2/Ti electrode as a novel chalcogenide material by anodizing and dip-coating method. The electrode was applied for Rhodamine B (RhB) degradation test in high-photoelectrochatalytic (PEC) performance. It is found out that the morphology and element containing on Se-TiO2/Ti electrode has honeycomb structure with the element composition of Ti (51.09%), O (36.91%), and Se (12.00%), respectively. In addition, the PEC response test using Linear Sweep Voltammetry (LSV) showed that the optical properties of Se-TiO2/Ti electrode was active under visible light, meanwhile the TiO2/Ti was active under ultraviolet (UV) light. The PEC test using Multi Pulse Amperometry (MPA) technique was exhibited that the 5 ppm RhB corresponded to the degradation of 73.27%.
ABSTRAKSalah satu hal yang berpengaruh cukup penting dalam perencanaan transportasi adalah aspek pemilihan moda. Pada dasarnya saat kita akan atau sebelum melakukan perjalanan, kita akan mempertimbangkan apakah kita akan menggunakan kendaraan pribadi ataupun angkutan umum untuk melakukan perjalanan dengan mempertimbangkan beberapa faktor yang dapat mempengaruhi pemilihan moda tersebut.Analisis Faktor-Faktor Pemilihan Moda Transportasi ke Kampus oleh Mahasiswa Jurusan Teknik Sipil Universitas Halu Oleo bertujuan untuk mengetahui faktor-faktor yang menjadi prioritas dalam pemilihan moda transportasi yang paling diminati oleh mahasiswa pada saat ke kampus. Studi ini menggunakan metode Proportional Random Sampling dan analisis data menggunakan Analitycal Hierarchi Process (AHP) untuk mencari faktor-faktor dan moda transportasi yang menjadi skala prioritas. Hasil penelitian menunjukkan bahwa faktor yang menjadi prioritas dalam pemilihan moda berdasarkan hasil perankingan jawaban responden yaitu, Keamanan (37%), kemudian Waktu (23%), Biaya (21%) dan Kenyamanan (18%). Untuk moda transportasi yang menjadi prioritas pilihan mahasiswa yaitu, Kendaraan Pribadi (51%), kemudian di susul Gojek (18%), Grab (16%) dan Angkutan Umum (15%). Penelitian ini memperlihatkan dominasi pilihan moda dari sebagian mahasiswa dalam melakukan perjalanan kekampus. Kata Kunci : Analytical Hierarchy Process, Pemilihan Moda, MahasiswaABSTRACTOne of the things which is quite important in transportation planning is the modal choice aspect. Basically when we will or before traveling, we will consider whether we will use private vehicles or public transportation to travel by considering several factors that can influence the choice of mode.Analysis of Factors for Choosing Mode of Transportation to Campus by Students of the Department of Civil Engineering at Halu Oleo University aims to find out the factors that are a priority in choosing the mode of transportation that is most sought after by students when they go to campus. This study uses the Proportional Random Sampling method and data analysis using the Analytical Hierarchical Process (AHP) to look for factors and modes of transportation that are the priority scale. The results showed that the priority factors in the choice of mode were based on the results of the respondents' answers namely Safety (37%), then Time (23%), Cost (21%) and Convenience (18%). For modes of transportation that are the priority choices of students namely, Private Vehicles (51%), then followed by Gojek (18%), Grab (16%) and Public Transport (15%). This study shows the dominance of the choice of modes of some students in traveling to campus. Keywords: Analytical Hierarchy Process, Mode Selection, Students
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