Journal
MRS ADVANCES
Volume 4, Issue 7, Pages 435-439Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1557/adv.2019.75
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Funding
- Eugene McDermott Graduate Fellows Program [2016001]
- Robert A. Welch Foundation [AT-1153]
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The capture of volatile radioactive iodine-129 is an important process for nuclear fission. Biphenyl-bridged wrinkled mesoporous silica shows similar performance for iodine sequestration to commercial Ag-mordenite and avoids the use of expensive silver The biphenyl-wrinkled mesoporous silica nanoparticles function as a scaffold for biphenyl groups and also as a fluorescent indicator for the loading of iodine. The nanoparticles have a surface area of 973 m(2)/g and the biphenyl molecules form an electron charge-transfer complex with iodine. Iodine was loaded into the biphenyl-bridged wrinkled mesoporous silica (BUMS) at 19 +/- 0.2 % loading by mass.
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