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One-step Synthesis of Uniform Silver Nanoparticles Capped by Saturated Decanoate: Direct Spray Printing Ink to Form Metallic Silver Films

One-step Synthesis of Uniform Silver Nanoparticles Capped by Saturated Decanoate: Direct Spray Printing Ink to Form Metallic Silver Films

Teng-Yuan Dong, Wei-Ting Chen, Ching-Wen Wang, Chiao-Pei Chen, Chen-Ni Chen, Ming-Cheng Lin, Jenn-Ming Song, In-Gann Chen, Tzu-Hsuan Kao

Phys Chem Chem Phys. 2009 Aug 7;11(29):6269-75.

PMID: 19606339

Abstract:

The one-step synthesis and spectroscopic characterizations of size-controlled silver nanoparticles are described. The transmission electron microscopy (TEM), nuclear magnetic resonance (NMR), Fourier transform infrared spectroscopy (FT-IR), thermal gravimetric-mass analysis (TGA-MS) and X-ray photoelectron spectroscopy (XPS) techniques were used to characterize the decanoate-protected silver nanoparticles. TEM analysis showed that spherical nanoclusters of 7.52 +/- 0.57 nm were produced. Furthermore, the particle sizes are uniform with a narrow size distribution. For all samples, Ag 3d(5/2) and 3d(3/2) components appeared at 368.5 and 374.5 eV, respectively, in the XPS spectrum; these values compare very well with the typical values of carboxylate-protected Ag nanoparticles. A thermal analysis mass spectrometer was used to analyze the desorption behavior of decanoate-protected nanoparticles. From the desorption maximum temperatures of 181 and 263 degrees C, activation energies of 27.2 and 32.2 kcal mol(-1) for the desorption processes in the Ag MPCs were obtained, assuming a first-order reaction and using a pre-exponential factor of 1 x 10(13) s(-1). A specific resistivity of 6.097 microOmega cm for the silver metal film (0.7 microm) on a Si wafer can be produced simply by thermal annealing of an Ag monolayer-protected clusters film under an atmosphere of 90% N(2)-10% H(2) at 300 degrees C for 1 h.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
LS77604	Silver nanoparticles ink for spray printing			Price

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