A series of samples deposited by VHF-PECVD at different pressures were studied.The measurement results of photosensitivity (photo conductivity/dark conductivity) and activation energy indicated near the same rule with...A series of samples deposited by VHF-PECVD at different pressures were studied.The measurement results of photosensitivity (photo conductivity/dark conductivity) and activation energy indicated near the same rule with the change of the pressure.The results measured by Raman scattering spectra,X-ray diffraction and FTIR all proved the evident crystallization of the materials.Treating the p/i interface by hydrogen has a great improving effect on the performance of the microcrystalline silicon (μc-Si) p-i-n solar cells if the treatment time was appropriate.An efficiency of 4.24% for μc-Si p-i-n solar cells deposited by VHF-PECVD was firstly obtained.展开更多
The white organic light emitting device (OLED) with single-structure using a polymer blend as the light emitting layer is fabricated.Heat treatment is used to control the ratio between the intensities of main electrol...The white organic light emitting device (OLED) with single-structure using a polymer blend as the light emitting layer is fabricated.Heat treatment is used to control the ratio between the intensities of main electroluminescent spectral peaks.The electroluminescent spectrum of our device is quite similar to that of white inorganic LED produced by Nichia Corporation after being annealed,and its turn-on voltage can be decreased by 1 V.展开更多
文摘A series of samples deposited by VHF-PECVD at different pressures were studied.The measurement results of photosensitivity (photo conductivity/dark conductivity) and activation energy indicated near the same rule with the change of the pressure.The results measured by Raman scattering spectra,X-ray diffraction and FTIR all proved the evident crystallization of the materials.Treating the p/i interface by hydrogen has a great improving effect on the performance of the microcrystalline silicon (μc-Si) p-i-n solar cells if the treatment time was appropriate.An efficiency of 4.24% for μc-Si p-i-n solar cells deposited by VHF-PECVD was firstly obtained.
文摘The white organic light emitting device (OLED) with single-structure using a polymer blend as the light emitting layer is fabricated.Heat treatment is used to control the ratio between the intensities of main electroluminescent spectral peaks.The electroluminescent spectrum of our device is quite similar to that of white inorganic LED produced by Nichia Corporation after being annealed,and its turn-on voltage can be decreased by 1 V.
