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231223s2009 xx |||||o 00| ||eng c |
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|a 10.1021/la900437x
|2 doi
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|a pubmed25n0627.xml
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|a (NLM)19408904
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|a DE-627
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|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Thakur, Priya
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Structural phase behavior and vibrational spectroscopic studies of biofunctionalized CdS nanoparticles
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|c 2009
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 25.08.2009
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a Biomodified CdS nanoparticles were synthesized using l-cysteine as a capping agent in the colloidal state as a function of pH. The role of pH on the size and structure of CdS nanoparticles was investigated in detail. At pH 7.4 and 9.1, X-ray diffraction spectra of as prepared samples showed the presence of a mixture of cubic and hexagonal phases while cubic phase was formed at pH 11.2. A gradual transition to the hexagonal phase was observed for refluxed samples at pH 9.1 and 11.2. Whereas, at pH 7.4, the sample remains in a mixture of cubic and hexagonal phase even after refluxing. The particle size of as prepared samples was about 2 nm, and for refluxed samples the size increased up to 10 nm. The binding of cadmium through thiol group is evidenced by infrared spectra. An intense band due to C-C-N vibration was observed after 24 h of reflux. The formation of a specific molecular cluster determines the growth of a particular phase. Transmission electron microscopy (TEM) studies support the X-ray diffraction (XRD) studies and exhibit well separated spherical particles while refluxed samples show clustering
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Cadmium Compounds
|2 NLM
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|a Colloids
|2 NLM
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|a Sulfides
|2 NLM
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|a cadmium sulfide
|2 NLM
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|a 057EZR4Z7Q
|2 NLM
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|a Platinum
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|a Cysteine
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1 |
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|a Joshi, Satyawati S
|e verfasserin
|4 aut
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|a Kapoor, Sudhir
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mukherjee, Tulsi
|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 1985
|g 25(2009), 11 vom: 02. Juni, Seite 6334-40
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnas
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| 773 |
1 |
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|g volume:25
|g year:2009
|g number:11
|g day:02
|g month:06
|g pages:6334-40
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|u http://dx.doi.org/10.1021/la900437x
|3 Volltext
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