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Title: Sequential Infiltration Synthesis of Al2O3 in Polyethersulfone Membranes

Journal Article · · JOM. Journal of the Minerals, Metals & Materials Society
 [1];  [2];  [2];  [2];  [1];  [2];  [1]
  1. Univ. of Chicago, Chicago, IL (United States); Argonne National Lab. (ANL), Lemont, IL (United States)
  2. Argonne National Lab. (ANL), Lemont, IL (United States)

We report the sequential infiltration synthesis (SIS) of aluminum oxide (Al2O3) into polyethersulfone (PES) ultrafiltration (UF) membranes to form hybrid nanocomposites. SIS relies on chemical interactions between precursor vapors and polymer functional groups, and enables nucleation and growth of inorganic materials to controlled depth. Using in situ Fourier-transform infrared spectroscopy and ellipsometry measurements, we demonstrate that trimethylaluminum associates with the sulfonyl groups in PES, extending the library of SIS-modified polymer nanocomposites to a previously undescribed polymer system and new application space: PES UF membranes. Depth-profiled x-ray photoelectron spectroscopy showed that the trimethylaluminum purge time dictates the extent of Al2O3 infiltration. Energy dispersive spectroscopy revealed the differences between SIS and atomic layer deposition in the membranes. Furthermore, this work demonstrates the viability of SIS to access the entire macroporous volume of PES UF membranes.

Research Organization:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22). Materials Sciences & Engineering Division; University of Chicago, Materials Research Science & Engineering Center (MRSEC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1491458
Journal Information:
JOM. Journal of the Minerals, Metals & Materials Society, Vol. 71, Issue 1; ISSN 1047-4838
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 22 works
Citation information provided by
Web of Science

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Cited By (4)

Effect of the Density of Reactive Sites in P(S‐ r ‐MMA) Film during Al 2 O 3 Growth by Sequential Infiltration Synthesis journal April 2019
The chemical physics of sequential infiltration synthesis—A thermodynamic and kinetic perspective journal November 2019
Surfactant-Assisted Fabrication of Alumina-Doped Amorphous Silica Nanofiltration Membranes with Enhanced Water Purification Performances journal September 2019
Effect of the Density of Reactive Sites in P(S-r-MMA) Film During Al2O3 Growth by Sequential Infiltration Synthesis text January 2020

Figures / Tables (19)