4.6 Article

BODIPY-based photosensitizers with intense visible light harvesting ability and high O-1(2) quantum yield in aqueous solution

Journal

RSC ADVANCES
Volume 4, Issue 93, Pages 51349-51352

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra08654f

Keywords

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Funding

  1. Fundamental Research Funds for National Natural Science Foundation of China [21302224, 51172285, 21176259, 51303212, 51303202]
  2. China Postdoctoral Science Foundation [2014M560590]
  3. Shandong Provincial Natural Science Foundation [ZR2013BQ028, ZR2013EMQ013]
  4. Project of Science and Technology Program for Basic Research of Qingdao [14-2-4-47jch]
  5. Fundamental Research Funds for the Central Universities [13CX02066A, 14CX02060A, 14CX04009A]
  6. State Key Laboratory of Fine Chemicals [KF1203]

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A novel method to enhance the singlet oxygen quantum yield of photosensitizers in aqueous solution has been developed by introducing an electron-withdrawing group into BODIPY. B-2 was prepared based on this method and shows intense light harvesting ability (epsilon = 6.8 x 10(4) M-1 cm(-1) at 643 nm)and high O-1(2) quantum yield in aqueous solution (phi = 0.21). B-2 has been successfully used as an O-1(2) sensitizer for the photo-oxidation of 1,5-dihydroxynaphthalene. This method substantially improves the photooxidation capability and photostability of O-1(2) sensitizers in aqueous solution.

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