Nanobeads of zinc oxide with rhodamine B dye as a sensitizer for dye sensitized solar cell application

被引：56
作者：
Baviskar, P. K. [1 ]
Zhang, J. B. [2 ]
Gupta, V. [3 ]
Chand, S. [3 ]
Sankapal, B. R. [1 ]
机构：
[1] N Maharashtra Univ, Sch Phys Sci, Dept Phys, Thin Film & Nano Sci Lab, Jalgaon 425001, MS, India
[2] Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100190, Peoples R China
[3] Natl Phys Lab, Phys Energy Harvesting Div, New Delhi 110012, India
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2012年 / 510卷 / 01期
关键词：
Dye sensitized solar cell; Low temperature; Chemical synthesis; Zinc oxide: Rhodamine B dye; CHEMICAL BATH DEPOSITION; THIN-FILMS; PHOTOELECTROCHEMICAL PERFORMANCE; ZNO NANORODS; TEMPERATURE;
D O I：
10.1016/j.jallcom.2011.08.034
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Cost effective, ruthenium metal free rhodamine B dye has been chemically adsorbed on ZnO films consisting of nanobeads to serve as a photo anode in dye sensitized solar cells. These ZnO films were chemically synthesized at room temperature (27 degrees C) on to fluorine doped tin oxide (FTO) coated glass substrates followed by annealing at 200 degrees C. These films consisting of inter connected nanobeads (20-40 nm) which are due to the agglomeration of very small size particles (3-5 nm) leading to high surface area. The film shows wurtzite structure having high crystallinity with optical direct band gap of 3.3 eV. Optical absorbance measurements for rhodamine B dye covered ZnO film revealed the good coverage in the visible region (460-590 nm) of the solar spectrum. With poly-iodide liquid as an electrolyte, device exhibits photon to electric energy conversion efficiency (eta) of 1.26% under AM 1.5G illumination at 100 mW/cm(2). (C) 2011 Elsevier B.V. All rights reserved.
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页码：33 / 37
页数：5
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