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Thin-film crystalline photovoltaic (PV) cell is a trend for future PV with its potential to achieve low cost and high efficiency. Concerning material utilization efficiency, we propose a method with a fast manufacturing method of thin crystalline Si by chemical solution. To obtain the highest efficiency of material utilization, experiments with different H2O2/HF ratio are conducted, where related...
Here, we report the use of organic/inorganic heterostructure to fabricate the p-n heterojunction devices. The heterostructure provides a new approach for constructing high performance electroluminescence devices which improve the balance of hole and electron injection. In this study, we fabricated the white-light inorganic/organic heterojunction diode LEDs, using p-type polymer (PF) and n-type ZnO...
Numerous researches have been focused on improving the light extraction efficiency of photons generated in the active layer of light emitting diodes (LEDs). Various methods have been proposed, such as LED dies, flip-chip LEDs, surface texturing of p-GaN layer or transparent conducting layer, and two dimensional photonic crystals. However, these methods require complex and expensive processes or may...
The selection of electrodes in ZnO nanorod-based polymer solar cells was investigated. Increases in the work function of metal electrode result in the increases in open-circuit voltage up to 120 mV, leading to improved performance.
ZnO nanorod arrays (ZNAs), grown from aqueous solutions, were integrated into polymer solar cells. Morphological, crystalline and optical properties of ZNAs were studied. Infiltration-improved polymer/ZNAs solar cells by adding fullerene were assembled and characterized.
In this work, we demonstrate both scalability down to decanometer and high anisotropy up to 90% in fabrication of Si nanostructure by reactive ion etching. Silicon nanorods with 20 nm diameter size are fabricated on single-crystalline silicon surface
Black-body radiation can be enhanced at a specific range by metallic nano-photonic boxes. The long-wavelength spectrum is suppressed and the enhanced peak intensity is over five times stronger than the background for all measured temperatures
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