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Hardening and Optimizing of the Black Gold Thin Film as the Absorption Layer for Infrared Detector
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作者 Dong-pei Qian Chuan-gui Wu +4 位作者 Yao Shuai Wen-bo Luo qiang-xiang peng Xiao-yong Chen Wan-li Zhang 《Optics and Photonics Journal》 2013年第2期281-283,共3页
This paper reports on the study of the black gold thin film as the absorption layer in the near infrared spectrum. The fabrication of the black gold thin film was achieved by a thermal evaporation technique in N2 atmo... This paper reports on the study of the black gold thin film as the absorption layer in the near infrared spectrum. The fabrication of the black gold thin film was achieved by a thermal evaporation technique in N2 atmosphere. Different evaporation conditions were attempted to optimize the absorbance of the black gold coating, especially the atmosphere pressure and the mass of evaporation source. The long-standing problem of black gold’s adhesion with the substrate was solved by fuming 502 superglues into the black gold layer, which had almost no impact on the absorbance performance. Layers produced at N2 atmosphere of 3×103 Pa show an absorbance exceeding0.9 inthe near infrared. 展开更多
关键词 BLACK GOLD 502 FUMING ABSORPTION Layer
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Enhanced pyroelectric properties of PZT/PVDF-TrFE composites using calcined PZT ceramic powders
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作者 Chuan-Gui Wu Guang-Qiang Cai +3 位作者 Wen-Bo Luo qiang-xiang peng Xiang-Yu Sun Wan-Li Zhang 《Journal of Advanced Dielectrics》 CAS 2013年第1期37-42,共6页
The effects of calcined lead--zirconate-titanate(PZT)powders on the electric properties of PZT/polyvinylidene-tifluorethylene copolymer(PVDF-TrFE)composites thick films were studied in this paper.Firstly,the PZT powde... The effects of calcined lead--zirconate-titanate(PZT)powders on the electric properties of PZT/polyvinylidene-tifluorethylene copolymer(PVDF-TrFE)composites thick films were studied in this paper.Firstly,the PZT powders synthesized by hydrothermal method were calcined at different temperatures ranging from 300℃ to 900℃,and then the PZT/PVDF-TrFE composites films were produced by casting PZT/PVDF-TrFE suspension onto the indium-tin-oxide(ITO)-coated glass substrates.Electric properties,including dielectric and pyroelectric performances of thick films consisting of PZT powders calcined at different temperatures were tested.The highest pyroelectric cofficient obtained in the sample using 700℃ calcined PZT powders was 96μCm^(-2)K^(-1),which was 20%higher than the composites made of uncalcined powders.Additionally,the highest detectivity figure-of merit(FOM)(FD)of the composite was 1.36×10^(-5)Pa^(-1/2),which increased about 13.5%compared to the one using uncalcined powders. 展开更多
关键词 PZT/PVDF-TrFE composite PZT calcining pyroelectric property
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