Growth of Dual-Layer Nanorods and Nanowalls Using Al Reaction Layer for Cholesterol Biosensor

Jian Fu Tang, Yang Ming Lu, Zong Liang Tseng, Sheng Yuan Chu

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In this paper, a single-step chemical bath deposition method was developed for the growth of novel aluminium (Al)-doped zinc oxide nanostructures (NSs) comprising a dual-layer of nanorods/nanowalls. This particular mesoporous structure can accommodate a larger number of ChOx molecules than is possible in a traditional nanorod array. The formation of this dual-layer of NSs depends largely on the content of Al ions and reaction time. A cholesterol biosensor was constructed using these NSs as supporting materials for cholesterol oxidase loading. The device achieved sensitivity of 93.82 μA/mMcm2 within a linear-range of 1.3-13 mM.

Original languageEnglish
Article number7831368
Pages (from-to)1584-1589
Number of pages6
JournalIEEE Sensors Journal
Volume17
Issue number6
DOIs
Publication statusPublished - 2017 Mar 15

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Electrical and Electronic Engineering

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