Efficiency Enhancement of Dye-Sensitized Solar Cells Based on Gracilaria/Ulva Using Graphene Quantum Dot

被引：25
|
作者：
Saedi, Afsoon [1 ]
Moradi, Ali Mashinchian [1 ]
Kimiagar, Salimeh [2 ]
Panahi, Homayon Ahmad [3 ]
机构：
[1] Islamic Azad Univ IAU, Fac Nat Resources & Environm, Sci & Res Branch, Tehran, Iran
[2] Islamic Azad Univ IAU, Phys Dept, Cent Tehran Branch, Nano Res Lab NRL, Tehran, Iran
[3] Islamic Azad Univ IAU, Chem Dept, Cent Tehran Branch, Tehran, Iran
来源：
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH | 2020年 / 14卷 / 04期
关键词：
Dye-sensitized; Solar cells; Gracilaria; Ulva; Graphene quantum dot; ORGANIC-DYE; ELECTRON; SIZE; CONVERSION; PHOTOSENSITIZERS; ANTHOCYANINS; PIGMENTS; CHARGE;
D O I：
10.1007/s41742-020-00265-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Dye-sensitized solar cells (DSSC) have been assembled using natural dyes extracted from the red (Gracilaria) and green (Ulva) algae as photosensitizers and the effect of adding Graphene quantum dot (GQD) has been investigated. The open-circuit voltage (V-OC) values of natural dyes of Gracilaria, Gracilaria + GQD, Ulva, and Ulva + GQD are 0.64, 0.73, 0.70, and 0.75, respectively. The short circuit current density (J(SC)) values are varied from 0.96 to 2.26 mA cm(-2), and the fill factor (FF) from 52 to 56% for the mentioned samples. The best-energy conversion efficiency of approximately 0.94% has been achieved for DSSC with Gracilaria + GQD with J(SC) equal 2.26 mA cm(-2), V-OC is 0.73 V, and FF is 56%.
引用
收藏
页码：393 / 402
页数：10
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