ALD NiO薄膜作为光探测器和太阳能电池器件空穴传输电子阻挡层材料

Pub Date : 2015-04-13 DOI:10.1149/06601.0275ECST
W. Nam, Z. Gray, J. M. Stayancho, V. Plotnikov, D. Kwon, S. Waggoner, D. V. Shenai-Khatkhate, M. Pickering, T. Okano, A. Compaan, S. Fonash
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引用次数: 18

摘要

ALD NiO通过施加Ni(amd) (AccuDEPTM Ni, Dow Chemical)和水的交替脉冲沉积在硅和玻璃衬底上。在200℃下,膜沉积速率为0.25 ~ 0.45 A/cycle。采用FESEM、AFM、UV-Vis-NIR光谱仪和GIXRD对NiO薄膜的材料性能进行了表征。将优化后的ALD NiO薄膜应用于极薄(500nm)的CdTe电池,以评估ALD NiO薄膜作为HT-EBL层的潜力。与对照电池相比,ALD NiO集成CdTe电池提高了Voc和FF, PCE提高了15%。
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ALD NiO Thin Films As a Hole Transport-Electron Blocking Layer Material for Photo-Detector and Solar Cell Devices
ALD NiO was deposited on silicon and glass substrates by applying alternative pulses of Ni(amd) (AccuDEPTM Ni, Dow Chemical), and water. The film deposition rate at 200°C was 0.25-0.45 A/cycle. The material properties of the NiO films were characterized using FESEM, AFM, UV-Vis-NIR spectrometer, and GIXRD. The optimized thin ALD NiO film was applied to very thin (500nm) CdTe cells in order to evaluate the potential of the ALD NiO film as a HT-EBL layer. The ALD NiO integrated CdTe cells enhanced Voc and FF, and offered 15% improvement in PCE compared with the control cells.
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