http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Growth of Ultrathin Ag Films on TaNx Layer and Their Optical Properties
Sivasankar Reddy Akepati,조현철,이기선 대한금속·재료학회 2013 ELECTRONIC MATERIALS LETTERS Vol.9 No.2
The growth and electrical-optical properties of dc-magnetron-sputtered ultrathin silver (Ag) films on glass and TaNx/glass were investigated by using scanning electron microscopy, transmission electron microscopy,auger electron spectroscopy (AES), UV-Vis-NIR spectrometry and the four-point probe method. The agglomeration and inter-diffusion of Ag was effectively reduced by the TaNx layer, and Ag films on TaNx (10 nm)/glass formed a smooth and dense surface. TaNx film deposited on the Ag/TaNx/glass also shows a uniform microstructure. The Ag film in the TaNx interlayer has at least three times lower resistance than that of Ag/glass, which can be attributed to the growth mode of the Ag films. The optical properties of the Ag films were greatly improved by the TaNx layer. In the near infrared region, Ag/TaNx/glass and TaNx/Ag/TaNx/glass films showed a drastic decrease in transmittance compared to Ag/glass.
( Chundi Seshendra Reddy ),( Akepati Sivasanakara Reddy ),권빈희,박성민,인인식 한국공업화학회 2019 한국공업화학회 연구논문 초록집 Vol.2019 No.0
The effect of graphene oxide (GO) on the ethanol sensing and photodetector performance of SnO<sub>2</sub> nanotubes (NTs) were studied. Pristine SnO<sub>2</sub> NTs were produced via electrospinning method, whereas GO-SnO<sub>2</sub> NTs were produced by dipping SnO<sub>2</sub> NTs in a GO solution with a suitable annealing. The pristine and GO-SnO<sub>2</sub> NTs showed higher response, towards ethanol gas compared to other gases with an optimum working temperature of 300°C. Integration of GO on the surface of SnO<sub>2</sub> NTs can be a suitable method to enhance the sensing performance. Then, pure and doped SnO<sub>2</sub> nanotubes based photodetectors were constructed, GO-SnO<sub>2</sub> NTs exhibits good quantum efficiency and short response time compare with pristine SnO<sub>2</sub> nanotubes. The high performance of the doped SnO<sub>2</sub> nanotubes can be attributed to the perfect crystallinity and the special GO-embedded structure. ** 2019년 한국교통대의 지원을 받아 수행하였음.