In recent years, research on organic, carbon-based semiconductors for optoelectronic components has led to a variety of applications. Among them are light-emitting diodes for energy-efficient, high-resolution smart phone and TV screens. Despite the rapid progress in this area, realizing an electrically pumped laser from organic materials remains elusive. To get closer to this goal, researchers in Heidelberg and St Andrews are working on coupling light and matter in semiconducting carbon nanotubes -- microscopically small, tube-shaped structures of carbon. In Carbon Nanotubes, a botanical hydrocarbon names as Camphor (C10H16O) has found. In the presence of ferrocene which is used as a catalyst through pyrolysis of camphor in the temperature of 8000C to 10500C, Single wall and Multi wall Carbon nanotubes (CNTs) have been grown. The diameter of the single wall nanotubes is uniform which is 1.2 -1.3 nm while the diameter of the Multiwall carbon nanotubes is uniform lie between 20 – 40 nm. Maximum characterizations (92%) have been done by EDX, HRTEM, TEM and Ronan Analysis. Nanotubes which are grown from camphor have a very important features i.e. metallic particles, high purity and absence of amorphous carbon. Keywords: Carbon-based semiconductors, optoelectronic components, organic materials, pyrolysis of camphor, Carbon nanotubes etc.