Nanoparticle chain

Lacharme, F., Vandevyver, C., and Gijs, M. A. M. (2008). Full On-Chip Nanoliter Immunoassay by Geometrical Magnetic Trapping of Nanoparticle Chains. Anal. Chem. 80 2905 -2910. 

Wang ZB, Luk yanchuk BS, Guo W, Edwardson SP, Whitehead DJ, Li L, Liu Z, Watkins KG (2008) The influences of particle number on hot spots in strongly coupled metal nanoparticles chain. J Chem Phys 128(9) 094705... 

STM and STS measurements have been also performed on B-doped and undoped SiNWS [45] produced by OAG [23, 80]. The as-grown sample consisted primarily of SiNWs and nanoparticle chains coated with an oxide sheath. Samples for STM and STS measurements were prepared by dispersing the SiNWs into a suspension, which was then spin-coated onto highly oriented pyrolytic graphite (HOPG) substrates. The presence of nanoparticle chains and nanowires in the B-doped SiNWs sample was observed. Clear and regular nanoscale domains were observed on the SiNW surface, which were attributed to B-induced surface recon-... 

STM images of several typical SiNWs are shown in Figure 10.39. Figure 10.39(a)-(c) show the images of B-doped SiNWs with different morphologies. Figure 10.39(a) shows a nanoparticle chain with a diameter of 30 nm. The particles in... 

Fig. 10.39. STM images of (a) a B-doped nanoparticle chain, (b) a B-doped straight nanowire, and (c) boron-induced reconstruction of SiNW [45].

F. Lacharme, C. Vandevyver, and M.A.M. Gijs Full on-chip nanoliter immunoassay by geometrical magnetic trapping of nanoparticle chains. Analytical Chemistry 80, 2905-2910 (2008)... 

Crozier K, Togan E, Simsek E, Yang T. 2007. Experimental measurement of the dispersion relations of the surface plasmon modes of metal nanoparticle chains. Opt. Sur. 15 17482-17493. 

Fiiedlander, S. K. Polymer-like behavior of inorganic nanoparticle chain aggregates. J. Nanoparticle Res. 1999,1, 9-15. 

Shi ZT, Pan DY, Zhao SF et al (2006) Self-assembly of ordered silver nanoparticle chains on triblock copolymer templates. Mod Phys Lett B 20(20) 1261-1266... 

Another interesting method for generating single-electron transistors is to prestructure the substrate surface, followed by deposition of the nanoparticles, and finally to place two or more metal electrodes across the nanoparticle chain. This method was described by Coskun et al. [67], who first spin-coated a cleaned silicon substrate with PMMA, and then structured the surface with EBL to define the desired patterns, treated the substrate vhth a aminopropyltriethoxysilane (APTES) solution. 

In 2000, the dark-brown cluster polymer 6.23, obtained from the polycondensation of the hexanuclear ruthenium carbido species RU(sC(CO)i5 with the diphos-phinoalkyne Ph2PC = CPPh2 in refluxing THF, was reported [57]. The stmcture was assigned on the basis of IR, NMR, and elemental analysis, and an estimated degree of polymerization of up to 1000 was reported based on electron microscopy techniques. Polymer 6.23 has been shown to be electron-beam sensitive and this allows the creation of Ru-based nanoparticle chains and, ultimately, conducting wires [57-59]. 

Ogawa, K., Vogt, T., Ulhnann, M., Johnson, S. and Friedlander, S.K. (2000). Elastic properties of nanoparticle chain aggregates of TiOj, AI2O3, and FcjOs generated by laser ablation. J. Appl. Phys., 87, 63-73. 

Tang YH, Sun XH, An FCK, Liao LS, Peng HY, Lee CS, Lee ST, Sham TK (2001) Microstructure and field-emission characteristics of boron-doped Si nanoparticle chains. Appl Phys Lett 79 1673-1675... 

The peculiarities in the conduction mechanism through a network of semiconductor nanoparticle chains provide the basis for the manufacture of highly sensitive gas and vapor sensors. These sensors combine the properties of the polymer matrix with those of the nanoparticles. It allows the fabrication of sensor devices selective to some definite components in mixtures of gases or vapors. 

The topology of conduction networks formed by p- and n-type particles provides a gradual increase in the connectivity in the built-in field direction, which minimizes the amount of network dead ends in the nanoparticle chains, at which the charge carriers are usually trapped, and which are the main centers of recombination in polymer-nanocomposites. 

We have demonstrated [37] that p-n nanojunctions are formed between the nanoparticle chains and the polymer matrix with the partial formation of a space charge layer. The evidence is a 3 orders of magnitude drop in the composite conductivity, a change in the impedance behavior (Fig. 16) and a difference in the I-V characteristics (Fig. 17). The most probable cause is the formation of a space change layer which, in turn, generates local electric fields, leading to a decrease in concentration of holes, and a mobility drop due to an increase in the disorder. 

S. A. Maier, M. L. Brongersma, P. G. Kik and H. A. Atwater, Observation of near-field coupling in metal nanoparticle chains using r-field polarization spectroscopy, Phys. Rev. B 65, 193408-1 - 193408-4 (2002). 

Ogawa K, Vogt T, Ullniann M, Johnson S and Friedlander S K (2000) Elastic Properties of Nanoparticle Chain Aggregates of Ti02, AUOj, and FejOj Generated by Laser Ablation, J Appl Phys 87 63-73. 

Fiiedlander S K, Jang H D and Ryu K H (1998) Elastic Behavior of Nanoparticle Chain Aggregates, Appl Phys Lett 72 11796-11799. 

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