Biomolecule-Assisted Synthetic Route to Nanostructured Crystals: Synthesis of CdS Hierarchical Dendrites

A general biomolecule-assisted synthetic route has been developed for the synthesis of nanostructured inorganic crystals. In this work, CdS hierarchical dendrites were hydrothermally prepared through the reactions of cadmium chloride with thiourea in the presence of various amino acids and investiga...

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Bibliographic Details
Published inJournal of electronic materials Vol. 36; no. 12; pp. 1567 - 1573
Main Authors Sun, Fengyan, Yang, Qing, Zhao, Daoli, Wu, Yu
Format Journal Article
LanguageEnglish
Published Warrendale Springer Nature B.V 01.12.2007
Subjects
Amino acids
Chemical reactions
Diffraction
Nanocrystals
Semiconductors
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Summary:A general biomolecule-assisted synthetic route has been developed for the synthesis of nanostructured inorganic crystals. In this work, CdS hierarchical dendrites were hydrothermally prepared through the reactions of cadmium chloride with thiourea in the presence of various amino acids and investigated in terms of change of size and shape by varying growth parameters for the sulfide crystals. X-ray diffraction demonstrated that the as-fabricated CdS dendrites were in wurtzite (hexagonal) phase, and electronic diffraction further determined that the CdS dendrites were in hexagonal form with single-crystal nature. The experiments revealed that both amino acids and thiourea play an important role in the formation of the hierarchical crystals. Meanwhile, a possible growth mechanism is proposed, based on the investigations. [PUBLICATION ABSTRACT]
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ISSN:0361-5235
1543-186X
DOI:10.1007/s11664-007-0273-7