Synthesis and Photovoltaic Performance of Ionic Dyes for Quasi-Solid State Dye-Sensitized Solar Cells

被引：2
|
作者：
Jung, Mi Ran [1 ]
Han, Yoon Soo [2 ]
Jung, Dae Young [1 ]
Yang, Hyun Sik [1 ]
Kim, Jae Hong [1 ]
Lee, Do Kyung [2 ]
机构：
[1] Yeungnam Univ, Sch Chem Engn, Kyongsan 712749, Gyeongsangbuk D, South Korea
[2] Catholic Univ Daegu, Dept Adv Energy Mat Sci & Engn, Gyongsan 712702, Gyeongsangbuk D, South Korea
来源：
MOLECULAR CRYSTALS AND LIQUID CRYSTALS | 2013年 / 586卷 / 01期
关键词：
Ionic dyes; organic photosensitizers; photovoltaic performances; quasi-solid state dye-sensitized solar cells; semi-solid state electrolyte; CHARGE-TRANSFER; COMPOSITE ELECTROLYTE; ORGANIC-DYES; CONVERSION; RECOMBINATION; COADSORBENT; EFFICIENT;
D O I：
10.1080/15421406.2013.851543
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We prepared the ionic dyes and investigated their electrochemical properties and photosensitizing performances in the quasi-solid state dye-sensitized solar cells (QS-DSSCs). The LUMO energy level of ionic dye with carbazole moiety is higher than that of the dyes with phenothiazine and triphenylamine chromophore, resulting in highest power conversion efficiency (PCE) in the QD-DSSC. Compared with Ru-complex sensitizer, the ionic dyes showed relatively low photovoltaic performance in the QS-DSSCs, originating in lower LUMO energy level. The effect of Li(+)ion in the quasi-solid state electrolyte on the photovoltaic characteristics of QS-DSSCs was investigated in order to confirm the correlation between the conduction band of TiO(2)electrode and LUMO energy level of photosensitizers. The conduction band of TiO(2)electrode could be reduced by adding the Li(+)ion in the electrolyte, attributing for the enlargement of PCE value in the QS-DSSC.
引用
收藏
页码：111 / 120
页数：10
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