An experimental study of ultrafiltration for sub-10 nm quantum dots and sub-150 nm nanoparticles through PTFE membrane and Nuclepore filters
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- 作者：Sheng-Chieh Chena ; 1 ; chens@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Doris Segetsb ; 1 ; doris.segets@fau.de" class="auth_mail" title="E-mail the corresponding author ; Tsz-Yan Linga ; Wolfgang Peukertb ; David Y.H. Puia ; c
- 关键词：Ultrafiltration ; Quantum dot ; Diffusion deposition ; Loading effect ; Surface interactions
- 刊名：Journal of Membrane Science
- 出版年：2016
- 出版时间：1 January 2016
- 年：2016
- 卷：497
- 期：Complete
- 页码：153-161
- 全文大小：831 K
文摘
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PTFE and Nuclepore membranes were challenged with 1.7 nm and 6.6 nm quantum dots.
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A high initial retention efficiency >0.4 by diffusion in both filters was monitored.
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The existence of diffusion deposition was qualitatively proven.
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Different particle deposition characteristics between PTFE and Nuclepore membranes.
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Sieving and diffusion might concurrently exist, theoretical calculation is required.