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ChemComm
DOI: 10.1039/C7CC07560J
COMMUNICATION
Journal Name
be observed in the AFM image of irradiated polymer (Figure 6. (a) A. I. Day, A. P. Arnold, J. B. Rodneya and S. Barry, J. Org.
S13 in Supporting Information). Taken together, these results
demonstrated that the An-bOMV−CB[8] polymer was fully
decomposed.
Chem., 2001, 66, 8094–8100; (b) J. Heo, S. Y. Kim, D. Whang and
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7
.
In conclusion, we have successfully constructed
supramolecular photodegradable assemblies based on the
host−guest interacꢀons between macrocyclic CB[8] and photo- 8. (a) Y.-K. Tian, Y.-F. Han, Z.-S. Yang and F. Wang,
decomposable guest (An-bOMV). Upon light irradiation, the
,10-dialkoxyanthracene moiety of An-bOMV guest could
Macromolecules, 2016, 49, 6455–6461; (b) A. Das and S. Ghosh,
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9
slowly decompose into anthraquinone and alkanol. However,
because of the reduction of D-A interactions, the
photodecomposition was remarkably promoted after assembly
with CB[8], accompanied by the degradation of the linear
supramolecular polymer. In other words, we developed a
novel strategy, in which photodegradable polymer was built
with light-inert monomers though self-assembly-mediated D-A
9
1
.
T. Yamamoto, S. Yagyu and Y. Tezuka, J. Am. Chem. Soc., 2016,
1
38, 3904–3911.
0. Y.-X. Wang, Y.-M. Zhang and Y. Liu, J. Am. Chem. Soc., 2015,
37, 4543–4549.
1
interaction. This promising strategy can be used to construct 11. W. G. Santos, D. S. Budkina, V. M. Deflon, A. N. Tarnovsky, D. R.
various light-responsive polymeric materials, which have
potential applications in the fields of photodynamic therapy
and the photodegradation of pollutants.
Cardoso and M. D. E. Forbes, J. Am. Chem. Soc., 2017, 139,
681–7684.
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1
2. (a) F. Lin, T.-G. Zhan, T.-Y. Zhou, K.-D. Zhang, G.-Y. Li, J. Wu and
X. Zhao, Chem. Commun., 2014, 50, 7982–7985; (b) K.-D. Zhang,
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17918.
This work was supported by the National Key Research and
Development Program of China (Grants 2016YFB0401100 and
2017YFA0204503) and National Natural Science Foundation of
1
1
1
3. F. Biedermann, I. Ross and O. A. Scherman, Polym. Chem., 2014,
China (Grants 21604062 and 21522405). The authors are
grateful to Prof. Long Chen (Tianjin University) for his help with
photolysis measurement.
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