Study on Ag(I) Loaded ZIF-8 and Ag(I) Ion Release in Artificial Seawater-Reference-Cited by-同舟云学术

Study on Ag(I) Loaded ZIF-8 and Ag(I) Ion Release in Artificial Seawater

Published:2023-03-01 Issue:5 Volume:16 Page:2040
ISSN:1996-1944
Container-title:Materials
language:en
Short-container-title:Materials

Author:

Tsai Shang-Tien¹,Tang Wei-Cheng²,Wei Yeu-Kuen²,Wu Kevin C.-W.¹³⁴⁵⁶^ORCID

Affiliation:

1. Program of Green Materials and Precision Devices, National Taiwan University, Taipei 10617, Taiwan

2. Material and Chemical Research Laboratories, Industrial Technology Research Institute, Hsinchu 30011, Taiwan

3. Department of Chemical Engineering, National Taiwan University, Taipei 10617, Taiwan

4. Institute of Biomedical Engineering & Nanomedicine, National Health Research Institutes, 35 Keyan Road, Miaoli 35053, Taiwan

5. Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan

6. Yonsei Frontier Lab, Yonsei University, 50 Yonsei-ro, Seoul 03722, Republic of Korea

Abstract

From a porous structure perspective, the one-stage de novo synthesis method and impregnation method were applied to synthesize Ag(I) ion-containing ZIF-8 samples. With the de novo synthesis method, Ag(I) ions could be located inside micropores or adsorbed on the external surface of the ZIF-8 by selecting AgNO3 in water or Ag2CO3 in ammonia solution as precursors, respectively. The ZIF-8 confining Ag(I) ion exhibited a much lower constant releasing rate than the Ag(I) ion adsorbed on the ZIF-8 surface in artificial seawater. As such, strong diffusion resistance in association with the confinement effect is contributed by ZIF-8’s micropore. On the other hand, the release of Ag(I) ions adsorbed on the external surface was diffusion limited. Therefore, the releasing rate would reach a maximum not increasing with Ag(I) loading in the ZIF-8 sample.

Publisher

MDPI AG

Subject

General Materials Science

Link

https://www.mdpi.com/1996-1944/16/5/2040/pdf

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