Position-Controlled Seedless Growth of ZnO Nanorod Arrays on a Polymer Substrate via Wet Chemical Synthesis | Zendy

Benjamin Weintraub | Zendy; Yulin Deng | Zendy; Zhong Lin Wang | Zendy

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Position-Controlled Seedless Growth of ZnO Nanorod Arrays on a Polymer Substrate via Wet Chemical Synthesis

Author(s) -

Benjamin Weintraub,

Yulin Deng,

Zhong Lin Wang

Publication year - 2007

Publication title -

the journal of physical chemistry c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.401

H-Index - 289

eISSN - 1932-7455

pISSN - 1932-7447

DOI - 10.1021/jp073806v

Subject(s) - nanorod , kapton , materials science , substrate (aquarium) , scanning electron microscope , layer (electronics) , nucleation , polyimide , nanotechnology , polymer , lithography , electron beam lithography , polymer substrate , optoelectronics , chemical engineering , resist , composite material , chemistry , organic chemistry , oceanography , geology , engineering

A novel wet chemical technique for the site-selective growth of ZnO nanorod arrays on polymer substrates is described. Electron beam lithography is employed to define nanorod positions using a polymethylmethacrylate (PMMA) mask on a Kapton polyimide substrate with a Au intermediate layer. An applied potential is utilized to enhance the nucleation process and achieve ZnO nanorods with a base diameter of 200 nm. The technique does not require a ZnO seed layer and can be carried out at temperatures as low as 70 °C. Structural characterization of the as-grown ZnO nanorods has been investigated by scanning electron microscopy and X-ray diffraction. This technique represents a new low-cost method for integrating ZnO nanorods into flexible electronic devices.

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