Characteristics of Nitrogen and Sulfur Double Doping in Mahogany Wood-Based Porous Carbon for Potential Carbon Capture Application
1Physics, Universitas Padjadjaran, Indonesia
2Bachelor of Physics Study Program, Universitas Padjadjaran, Indonesia
*Author to whom correspondence should be addressed:
E-mail: annisa.aprilia.example@university.edu (AA)
E-mail: annisa.aprilia.example@university.edu (AA)
Received: October 23, 2024 | Revised: April 24, 2025 | Accepted: May 14, 2025 | Published: June 2025
Abstract
Mahogany (Swietenia macrophylla king) wood residue has the potential to serve as a raw material for the synthesis of porous carbon due to its relatively high biomass content. This study examines the effects of N-S doubly dopant agents on the physicochemical properties of porous carbon that is derived from mahogany wood debris. The doping operations utilizing thiourea and the activation using KOH are conducted simultaneously. We found that dual doping with N and S influences the porosity of the resultant porous carbon. Our sample with a 1:2 ratio of raw material to thiourea (PC-2) has the highest specific surface area of 870.78 m²/g and pore volume of 0.552 cm³/g among all as-prepared samples. The activation process results in the formation of carbon porosity. The number and size of pores are both increased by N-S heteroatom co-doping, which leads to an increase in surface area. During the carbonization process, unreacted N-S heteroatoms are eliminated. This results in the formation of a carbon matrix with a distinctive structure that contains two N and S dopants.
Keywords
porous carbon ; mahogany wood waste ; N-S doped ; one step carbonization
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