Phosphotungstic acid (PTA) in the synthesis of 3D CdS superstructures by diffusion assisted hydrothermal method
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- 作者：Ali Ayatia ; ayati_a_ali@yahoo.com" class="auth_mail" title="E-mail the corresponding author ; Bahareh Tanhaeib ; Manu Lahtinenc ; Fatemeh F. Bamoharramd ; Mika Sillanpä ; ä ; a
- 关键词：Semiconductors ; Microstructure ; Diffusion ; Electron microscopy
- 刊名：Advanced Powder Technology
- 出版年：2015
- 出版时间：September 2015
- 年：2015
- 卷：26
- 期：5
- 页码：1495-1503
- 全文大小：3310 K
文摘
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Self-assembly of CdS microstructures by gas diffusion hydrothermal method was studied.
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Phosphotungstic acid has been used as stabilizer of CdS particles against aggregation.
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Thioacetamide plays the roles of sulfur source and a capping ligand.
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The precipitation of CdS was mainly controlled by the diffusion rate of H2S gas.
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At high diffusion rate, the nucleation is dominant.