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Effect of Electrodeposition Time on the Growth Rate of Carbon Nanotubes (CNTs) Faishol, Faishol; Andoko, Andoko; Suryanto, Heru; Prasetya, Riduwan
TRANSMISI Vol. 20 No. 2 (2024): September (2024)
Publisher : Universitas Merdeka Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26905/jtmt.v20i2.13672

Abstract

Carbon Nanotubes (CNTs) are nano-sized carbon that resembles tubes and has the potential to be used in various aspects of applications. Some of  the CNT carbon capture  methods include arc discharge, lasser ablation, CVD and electrodeposition. The advantage of the electrodeposition method is that the production cost is cheap and the preparation is easy. Electrodeposition is the precipitation of substances by using a direct electric current, with CO2 as the reactant. Factors that affect the growth rate of CNT are voltage, temperature, carbon source, electrode and time. The variation of the electorative time used was 60 minutes, 90 minutes, 120 minutes, 150 minutes, 180 minutes. The data collection process begins by shaping and measuring the weight of the electrode (Ni) with a diameter of 2 cm CNT deposition area. measuring the weight and melting Li2CO3 at a temperature of 750. then the CO2 flow rate setting, voltage setting  5V and time setting were then characterized by SEM-EDX and XRD. The results of the study showed that the optimal time obtained with a time of 120 minutes, the resulting CNT deposition rate was 1,618 g cm-2 h-1. Then based on the characterization of XRD and SEM, it shows that the longer the electrodeposition time, the less impurities are contained in the results obtained.
METODE DAN CORAK TAFSIR AL-QUR'AN (TAHLILI, IJMALI, MUQARAN, MAUDU'I) Gufron, Achmad; Achsan, Alex; Al Hajry, Arya Duta; Alwi, Muhammad Najib; Faishol, Faishol
Lisyabab : Jurnal Studi Islam dan Sosial Vol 6 No 2 (2025): Lisyabab, Jurnal Studi Islam dan Sosial
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat (LPPM) Sekolah Tinggi Agama Islam Mulia Astuti (STAIMAS) Wonogiri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58326/jurnallisyabab.v6i2.316

Abstract

This study examines the four main methods of Qur'anic exegesis: Tahlili, Ijmali, Muqaran, and Maudhu'i. The aim of this research is to explore the definitions, characteristics, advantages, limitations, and applications of each method in interpreting Qur'anic verses. The research employs a literature review methodology by analyzing various scholarly works and Qur'anic exegesis from classical to contemporary scholars. The findings indicate that each method has a distinct approach: Tahlili offers a detailed and in-depth interpretation of the Qur'anic text, while Ijmali provides a broader and more general understanding. Muqaran allows for a comparative analysis between different exegeses, while Maudhu'i focuses on thematic exegesis, offering a comprehensive view of specific topics in the Qur'an. The study concludes that understanding these four methods enriches and provides a more nuanced interpretation of the Qur'an, relevant to academic, religious, and social contexts. Keywords: Qur'anic exegesis, Tahlili, Ijmali, Muqaran, Maudhu'i