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231223s2006 xx ||||| 00| ||eng c |
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|a (DE-627)NLM161107257
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|a (NLM)16519485
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Tang, Qun
|e verfasserin
|4 aut
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|a Selective degradation of chemical bonds
|b from single-source molecular precursors to metallic Ag and semiconducting Ag2S nanocrystals via instant thermal activation
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 26.02.2007
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|a Date Revised 07.03.2006
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Selective formation of metallic Ag and semiconducting Ag(2)S nanocrystals has been achieved via a modified hot-injection process from a single-source precursor molecule, Ag(SCOPh), which can potentially generate both [Ag] and [AgS] fragments simultaneously. When the precursor molecules are injected into a preheated reaction system at 160 degrees C, spherical Ag(2)S nanocrystals are directly obtained even without a molecular activator, such as alkylamines. Mixtures of Ag and Ag(2)S or pure metallic Ag nanocrystals are obtained if the precursor molecules are injected at lower than 160 degrees C or room temperature. These results are attributed to the direct transfer of thermal energies to precursor molecules, which are enough to dissociate S-C as well as Ag-S bonds simultaneously. Detailed characterizations about the produced nanocrystals have been performed using powder X-ray diffraction (XRD), transmission electron microscopy (TEM), as well as energy-dispersive X-ray (EDX) spectrum
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|a Journal Article
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|a Yoon, Seok Min
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Hyun Jin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, Yoonmi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Song, Hyun Jae
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Byon, Hye Ryung
|e verfasserin
|4 aut
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| 700 |
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|a Choi, Hee Cheul
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 22(2006), 6 vom: 14. März, Seite 2802-5
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2006
|g number:6
|g day:14
|g month:03
|g pages:2802-5
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