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Citation: Jianhua Huang, Wei Zhang. Application of Computer Simulation in the Teaching of BET Multimolecular Adsorption Theory in Physical Chemistry[J]. University Chemistry, ;2024, 39(1): 369-376. doi: 10.3866/PKU.DXHX202307061 shu

Application of Computer Simulation in the Teaching of BET Multimolecular Adsorption Theory in Physical Chemistry

Jianhua Huang ^, ,
Wei Zhang

Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China

Corresponding author: Jianhua Huang, jhhuang@zstu.edu.cn
Received Date: 20 July 2023

The BET (Brunauer-Emmett-Teller) theory of multimolecular adsorption is abstract yet widely applicable, and its equation involves complex mathematical derivations that are often difficult for students to grasp. Consequently, students may struggle to correctly interpret adsorption-desorption isotherms and specific surface area data generated by automated specific surface analyzers, leading to unsatisfactory educational outcomes. This paper introduces the use of computer simulations to model the adsorption-desorption process of gas molecules on solid surfaces. By adjusting the adsorption-desorption constants, the simulations can generate Type I, II, and III adsorption isotherms. The real-time visualization allows students to intuitively understand the dynamics of gas molecule adsorption and desorption on solid surfaces, thereby enhancing their comprehension of BET theory. The incorporation of computer simulation into teaching not only enlivens the classroom environment but also fosters an interactive teaching-learning experience, stimulating students' curiosity and research interest while improving the overall quality of education.
- Computer simulation,
- Solid surface,
- BET equation,
- Adsorption-desorption kinetics,
- Adsorption isotherm
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