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Cross Linking of Gold Nanoparticles with Hexa-peri-hexabenzocoronene Derivatives

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The present investigation delineates the synthesis of hexa-peri-hexabenzocoronene capped gold nanoparticles. The coronene derivative has been synthesized by cyclotrimerisation of carbazole and thioanisole bearing alkyne to form 1,2,4-substituted isomer and coplanarised through a Scholl reaction. AuNP with 3–5 nm size and narrow distribution were synthesized using coronene derivative as the capping agent. The absorption and emission maximum of the coronene capped nanoparticles showed a hypsochromic shift of 10–15 nm as compared to the pristine coronene. The TEM images showed aggregated and well dispersed nanoparticles in which coronene molecules act as a bridge, leading to an inter particle distance of 1–2 nm.
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Keywords: CYCLOTRIMERISATION; GOLD NANOPARTICLES; HEXA-PERI-HEXABENZOCORONENE; ORGANIC-INORGANIC NANOHYBRID; SELF-ASSEMBLY

Document Type: Research Article

Publication date: 2009-11-01

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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