Room temperature synthesis of carbon nanotubes using Dip Pen Nanolithography (DPN)

Rohit V. Gargate; Debjyoti Banerjee

doi:10.1117/12.777915

30 April 2008 Room temperature synthesis of carbon nanotubes using Dip Pen Nanolithography (DPN)

Rohit V. Gargate, Debjyoti Banerjee

Proceedings Volume 6959, Micro (MEMS) and Nanotechnologies for Space, Defense, and Security II; 69590K (2008) https://doi.org/10.1117/12.777915
Event: SPIE Defense and Security Symposium, 2008, Orlando, Florida, United States

Abstract

Carbon Nanotubes (CNT) were synthesized on heated scanning probes and under ambient conditions without requiring Chemical Vapor Deposition (CVD) apparatus. Dip pen techniques were utilized for deposition of catalyst precursors on the probe tips in the form of aqueous solution of metal salts. A layer of Fullerene (C60) was deposited on the probe tip using a microfluidics apparatus and the probes were heated individually using a microheater. The temperature of the heated probes reached ~350 °C during the synthesis of CNT. The synthesized CNTs were subsequently characterized using scanning electron microscopy (SEM) and Raman Spectroscopy. The Raman spectroscopy showed peaks in the Radial Breathing Mode (RBM) mode, as well as the Graphitic band. The RBM peaks indicate that the synthesized SWCNT has a diameter of ~1 nm. The single peak in the Raman spectra in RBM mode is indicative of SWCNT of a single chirality. Hence this process can be optimized to synthesize SWCNT of a specific chirality.

Citation Download Citation

Rohit V. Gargate and Debjyoti Banerjee "Room temperature synthesis of carbon nanotubes using Dip Pen Nanolithography (DPN)", Proc. SPIE 6959, Micro (MEMS) and Nanotechnologies for Space, Defense, and Security II, 69590K (30 April 2008); https://doi.org/10.1117/12.777915

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