Transparent front contact optimization in dye sensitized solar cells: use of cadmium stannate and titanium oxide by sputtering

被引：8

作者：

Braga, A. ^{[1
,2
]}

Baratto, C. ^{[1
,2
]}

Bontempi, E. ^{[3
,4
]}

Colombi, P. ^{[5
]}

Sberveglieri, G. ^{[1
,2
]}

机构：

[1] Univ Brescia, CNR IDASC SENSOR Lab, I-25131 Brescia, Italy

[2] Univ Brescia, Dept Chem & Phys, I-25131 Brescia, Italy

[3] Univ Brescia, INSTM, I-25133 Brescia, Italy

[4] Univ Brescia, Chem Technol Lab, I-25133 Brescia, Italy

[5] Ctr Coating CSMT Gest Scarl, I-25123 Brescia, Italy

来源：

THIN SOLID FILMS | 2014年 / 555卷

关键词：

Cadmium stannate (CTO); Titanium oxide (TiO2); Transparent conducting oxides (TCOs); Dye-sensitized solar cells (DSCs); Buffer Layer (BL); Front contact; THIN-FILM; ZINC-OXIDE; DEPOSITION;

D O I：

10.1016/j.tsf.2013.08.008

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A reliable transparent front contact of cadmium stannate (CTO) and titanium oxide (TiO2) entirely deposited by magnetron sputtering has been studied and applied to build standard dye-sensitized solar cell. CTO gives very high average optical transmittance (T-avg >= 90%) along with competitive sheet resistance (R-sheet <= 15 Omega/sq), while a very thin layer of TiO2 (thickness < 5 nm) acts as buffer layer to prevent charge recombination. The matched materials allow achievement of good performances of the cells, in terms of short circuit current and power conversion efficiency. UV-visible spectrophotometry, glancing incident X-rays diffraction and X-rays reflectivity techniques were used to characterize thin films before cell realization; sealed solar cells were tested under simulated solar irradiance at 1 Sun to determine functional properties. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：18 / 20

页数：3

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