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J Am Chem Soc. 2015 Apr 1;137(12):4026-9. doi: 10.1021/ja512552g. Epub 2015 Mar 23.

Two-photon responsive metal-organic framework.

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†State Key Laboratory of Silicon Materials, Cyrus Tang Center for Sensor Materials and Applications, School of Materials Science and Engineering, and ‡Department of Chemistry, Zhejiang University, Hangzhou 310027, China.
§Department of Chemistry, University of Texas at San Antonio, San Antonio, Texas 78249-0698, United States.


Two-photon processing presents a facile means to tailor the properties of materials in three-dimensions. A two-photon responsive metal-organic framework (MOF) has been realized through the incorporation of a photoactive linker into a MOF via a multivariate strategy. The resulting MOF exhibits a significant one-photon and two-photon excited fluorescence change in response to UV light and infrared femtosecond laser, enabling spatial modulation of the fluorescence property of the MOF. It thus demonstrates the capacity of two-photon patterning and imaging inside the crystal, and the formation of three-dimensional two-photon excited fluorescent structure in a high resolution.


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