Abstract
Organic nanostructures are new comers to the fields of nanoscience and nanotechnology. In recent years novel methods for controlling the growth and uniformity of one‐dimensional (1D) organic nanostructures (nanowires and nanotubes) have been developing. The use of hard templates as molds for the formation of organic nanowires or nanotubes seems to be a reliable and convenient method. In this review we will discuss the use of anodic aluminum oxide (AAO) templates as the inorganic hard template of choice. We will briefly survey advances in the fabrication of 1D polymer nanostructures using AAO templates, while the bulk of the review will focus on the synthesis of small molecule nanowires, nanotubes, and nanorods. We will also discuss unique properties of some highly crystalline small molecule nanorods fabricated using AAO templates.
Highlights
Nanomaterial fabrication and nanotechnology have mushroomed in the last four decades
anodic aluminum oxide (AAO) template method is a general way of obtaining organic nanotubes, nanowires, or nanorods of variable length and diameter (7–400 nm)
There are ways for making small molecule nanowires and nanotubes that can withstand the rigger of template fabrication
Summary
Nanomaterial fabrication and nanotechnology have mushroomed in the last four decades. Using AAO templates is a general and simple method for fabricating 1D organic nanostructures Some metals such as titanium, zirconium, and aluminum form ordered and evenly spaced metal oxide nanopores (in the case of Al) or nanotubes (in the case of Ti) on the surface of the metal when anodized in an aqueous acidic solution [14]. Several small molecules were utilized to fabricate nanotubes or nanowires via solution-based template wetting. C60 is not a small molecule and might not fit of the review, but the method used to form C60 nanotubes paved the way for the incorporation of smaller molecules later on In this process the cleaned AAO template (200 nm) was repeatedly dippeddry in a toluene solution of C60.
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