期刊
LANGMUIR
卷 26, 期 5, 页码 3760-3765出版社
AMER CHEMICAL SOC
DOI: 10.1021/la9031927
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资金
- Korean Electric Power Research Institute
- U. S. Department of. Energy's Office of Science [DE-FG87ER13808]
- Korean Government (MOEHRD) [KRF-2007-357-C00058]
- National Research Foundation of Korea [2007-357-C00058] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A zinc porphyrin derivative (2) and zinc porphyrin-bodipy dyad (3) have been prepared and applied to dye-sensitized solar cells (DSSCs). On the basis of absorption and fluorescence excitation spectra, dyad 3 efficiently (transfers energy from the bodipy to zinc porphyrin constituent. The 3-sensitized solar cell demonstrates higher solar spectral coverage, based oil incident photon to Current efficiency (IPCE) spectral and an improved power conversion efficiency (eta = 1.55%) compared to that of the 2-sensitized cell (eta = 0.84%). The better performance of the 3-sensitized cell is attributed largely to the gain in spectral absorbance provided by the bodipy constituent of 3. Also evident, however, are secondary effects reflecting (a) fill-factor improvement and (b) a slight gain in porphyrin red-edge absorbance due to bodipy-conjugate formation.
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