期刊
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
卷 98, 期 3, 页码 595-599出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-009-5467-9
关键词
-
资金
- National Science Council, Taiwan, R.O.C. [NSC 98-2112-M-164-003, NSC 97-2112-M-164-002-MY2, NSC 97-2112-M-164-003-MY2]
The preferred (002) orientation zinc oxide (ZnO) nanocrystalline thin films have been deposited on FTO-coated glass substrates by sol-gel spin-coating technology and rapid thermal annealing for use in dye-sensitized solar cells (DSSC). The effects of preannealing temperature (100 and 300A degrees C) on the microstructure, morphology and optical properties of ZnO thin films were studied. The ZnO thin films were characterized by X-ray diffraction (XRD), scanning electron microscopic (SEM) and Brunauer-Emmett-Teller (BET) analysis. The photoelectric performance of DSSC was studied by I-V curve and the incident photon-to-current conversion efficiency (IPCE), respectively. From the results, the intensities of (002) peaks of ZnO thin films increases with increasing preannealing temperature from 100A degrees C to 300A degrees C. The increase in pore size and surface area of ZnO films crystallized at the increased preannealing temperature contributed to the improvement on the absorption of N3 dye onto the films, the short-circuit photocurrent (J (sc)) and open-circuit voltage (V (oc)) of DSSC. The higher efficiency (eta) of 2.5% with J (sc) and V (oc) of 8.2 mA/cm(2) and 0.64 V, respectively, was obtained by the ZnO film preannealed at 300A degrees C.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据