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Increasing Efficiency of Dye-sensitized Solar Cells through Co-sensitization of Organic Dyes LEG4 and DN-F10 as Light Absorber

http://hdl.handle.net/20.500.12678/0000005565
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dcddb8b8-6f92-4305-96e5-ff1665e1faf2
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Increasing Increasing Efficiency of Dye-sensitized Solar Cells through Co-sensitization of Organic Dyes LEG4 and DN-F10 as Light Absorber.pdf (430 Kb)
Publication type
Journal article
Upload type
Publication
Title
Title Increasing Efficiency of Dye-sensitized Solar Cells through Co-sensitization of Organic Dyes LEG4 and DN-F10 as Light Absorber
Language en
Publication date 2020-05-01
Authors
Tin Htun Lwin
Swe Swe Than
Su Htike Aung
Nyein Wint Lwin
Than Zaw Oo
Description
Organic dyes LEG4/DN-F10 as efficient co-sensitized dye system were introduced in dye- sensitized solar cell. With attribution of broaden spectral absorption, the LEG4/DN-F10 co-sensitized dye system could improve the photovoltaic performance of devices in combination with Co(II/III) electrolyte. The photo-transition energy gap of LEG4/DN-F10 system is 1.81 eV. In the present work, power conversion efficiency (PCE) of 4.47% were achieved for device based on LEG4/DN-F10 with short circuit current density, Jsc of 6.87 mA/cm2, Voc of 0.76 V and FF of 56.78 while PCE of device with single dye are 3.41% for LEG4 dye and 3.76% for DN-F10 dye. The co-sensitization is a simple and effective strategy to improve the photovoltaic performance of the device. Further optimization steps are needed to enhance power conversion efficiency and it is under way.
Keywords
LEG4, DN-F10, DSSC, broaden absorption spectra and co-sensitization
Journal articles
3
University of Mandalay, Research Journal
198 - 203
11
393
187
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