In Situ Water-Compatible Polymer Entrapment: A Strategy
for Transferring Superhydrophobic Microporous Organic Polymers to
Water
Posted on 2018-05-18 - 19:37
Microporous
organic polymer nanoparticles bearing tetraphenylethylene
moieties (MOPTs) were prepared in the presence of poly(vinylpyrrolidone)
(PVP). The PVP was entrapped into the microporous network of MOPT
to form MOPT-P and played the roles of size control, porosity enhancement,
and surface property management. MOPT materials without PVP showed
superhydrophobicity with a water contact angle of 151°. In comparison,
the MOPT-P showed excellent water compatibility. Moreover, due to
the aggregation-induced emission property of tetraphenylethylene moieties,
the MOPT-P showed emission and excellent emission-based sensing of
nitrophenols in water with Ksv values
in the range of 1.26 × 104 ∼ 3.37 × 104 M–1. It is noteworthy that the MOPT-P used
water only as a sensing medium and did not require additional organic
solvents to enhance water dispersibility of materials. The MOPT-P
could be recovered and reused for the sensing at least five times.
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Lee, Doo Hun; Ko, Kyoung Chul; Ko, Ju Hong; Kang, Shin Young; Lee, Sang Moon; Kim, Hae Jin; et al. (2018). In Situ Water-Compatible Polymer Entrapment: A Strategy
for Transferring Superhydrophobic Microporous Organic Polymers to
Water. ACS Publications. Collection. https://doi.org/10.1021/acsmacrolett.8b00263
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AUTHORS (9)
DL
Doo Hun Lee
KK
Kyoung Chul Ko
JK
Ju Hong Ko
SK
Shin Young Kang
SL
Sang Moon Lee
HK
Hae Jin Kim
YK
Yoon-Joo Ko
JL
Jin Yong Lee
SS
Seung Uk Son