Photoresponse of sol-gel-synthesized ZnO nanorods

Seung Eon Ahn, Jong Lee Soo, Hyunsuk Kim, Sangsig Kim, Byung Hyun Kang, Kang Hyun Kim, Gyu Tae Kim

Research output: Contribution to journalArticlepeer-review

270 Citations (Scopus)


The growth conditions of sol-gel synthesized ZnO nanorods were investigated. The photoresponse of the nanorods was also studied. The field-emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM) and energy dispersive spectroscopy (EDS) were used for the study of the nanorods. It was observed that the current-voltage characteristics of the ZnO nanorods followed a typical nonlinear behavior with significant photoresponse below 400 nm in air. The nondirect band-gap transition in photocurrent was also analyzed.

Original languageEnglish
Pages (from-to)5022-5024
Number of pages3
JournalApplied Physics Letters
Issue number24
Publication statusPublished - 2004 Jun 14

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)


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