Abstract
In this work single walled carbon nanotube (SWNT)-peptide nucleic acid (PNA) conjugates are synthesized and their electrical properties are characterized. Metal contacts to SWNT-PNA-SWNT conjugates, used for current–voltage (I–V ) measurements, are fabricated by two different methods: direct placement on pre-patterned gold electrodes and metal deposition using focused ion beam (FIB). Back-gated I–V measurements are used to determine the electronic properties of these conjugates. Additionally, conductive atomic force microscopy (C-AFM) is used to characterize the intrinsic charge transport characteristics of individual PNA clusters.
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Acknowledgements
We gratefully acknowledge financial support from the Nanomanufacturing Program of the National Science Foundation (NSF) (grant no: 0800680), the FCRP Center on Functional Engineered Nano Architectonics funded by the SRC and DARPA, and the Center for Hierarchical Manufacturing (CHM) funded by the NSF.
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Singh, K.V., Penchev, M., Jing, X., Martinez–Morales, A.A., Ozkan, C.S., Ozkan, M. (2010). Novel Molecular Diodes Developed by Chemical Conjugation of Carbon Nanotubes with Peptide Nucleic Acid. In: Baleanu, D., Guvenc, Z., Machado, J. (eds) New Trends in Nanotechnology and Fractional Calculus Applications. Springer, Dordrecht. https://doi.org/10.1007/978-90-481-3293-5_1
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DOI: https://doi.org/10.1007/978-90-481-3293-5_1
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