Zn based 3D-Coordination polymer as the photoanode material in dye-sensitized solar cells

被引：7

作者：

Abeysingha, Suleshi Niwarthana ^{[1
,2
]}

Wijesundera, Ruwan Palitha ^{[3
]}

Hettiarachchi, Champika Vithana ^{[1
,2
]}

Perera, Ishanie Rangeeka ^{[1
,2
]}

机构：

[1] Univ Peradeniya, Fac Sci, Dept Chem, Peradeniya 20400, Sri Lanka

[2] Univ Peradeniya, Postgrad Inst Sci, Peradeniya 20400, Sri Lanka

[3] Univ Kelaniya, Fac Sci, Dept Phys, Kelaniya 11300, Sri Lanka

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2020年 / 251卷

基金：

美国国家科学基金会;

关键词：

Coordination polymers; Dye-sensitized solar cells; Semiconductor; Zinc fumarate; METAL-ORGANIC FRAMEWORKS; COUNTER ELECTRODE; SURFACE-AREA; ION-EXCHANGE; CATALYSTS; MOFS; EFFICIENCY; SILICA; NB2O5; TIO2;

D O I：

10.1016/j.matchemphys.2020.123109

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

3D-Coordination polymers (3D-CP) consisting of zinc and fumaric acid (FMA) were synthesized under solvothermal (ZnF-Sol) and reflux (ZnF-Ref) conditions with same Zn: FMA molar ratio in DMF. The structures and the properties of the 3D-CPs were found to be dependent of the synthesis method. Both 3D-CPs demonstrated wide band gap semiconductor properties with a 4.8 eV (Zn-Sol) and a 4.4 eV (ZnF-Ref) band gap. Owing to the lower band gap (4.4 eV), lower band bending/flat band potential (-0.49 V) and higher carrier concentration (4.48 x 10(-16) cm(-3)), ZnF-Ref was utilized in dye-sensitized solar cells (DSCs) as the semiconductor material. A significant improvement in 3D-CP semiconductor based DSCs was observed with an energy conversion efficiency of 1.3 x 10(-3)% under simulated one sun irradiation.

引用

页数：6

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