An efficient method of determining diffusion coefficients using eigenfunction expansions

K. Yip, K. Y. Tam, Ka Fai Cedric Yiu

Research output: Journal article publicationJournal articleAcademic researchpeer-review

8 Citations (Scopus)


A method using eigenfunction expansions has been implemented to determine the diffusion coefficients of electroactive species. The method has been successfully applied to the process of single-electron oxidation of N,N,N′,N′-tetramethyl-p-phenylenediamine (TMPD). The results obtained by the method agree very well with those from the well established finite difference algorithm and are more reliable in general than the conventional Levich equation. The computer code developed is versatile and efficient; the method could be of wide application.
Original languageEnglish
Pages (from-to)367-371
Number of pages5
JournalJournal of Chemical Information and Computer Sciences
Issue number2
Publication statusPublished - 1 Jan 1997
Externally publishedYes


  • Channel electrode
  • Diffusion coefficient
  • Eigenfunction expansion
  • Inverse problem
  • Optimal control

ASJC Scopus subject areas

  • General Chemistry
  • Information Systems
  • Computer Science Applications
  • Computational Theory and Mathematics


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