http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
Growth of nanolaminate structure of tetragonal zirconia by pulsed laser deposition
Balakrishnan, Govindasamy,Kuppusami, Parasuraman,Sastikumar, Dillibabu,Song, Jung Il Springer 2013 Nanoscale research letters Vol.8 No.1
<P>Alumina/zirconia (Al<SUB>2</SUB>O<SUB>3</SUB>/ZrO<SUB>2</SUB>) multilayer thin films were deposited on Si (100) substrates at an optimized oxygen partial pressure of 3 Pa at room temperature by pulsed laser deposition. The Al<SUB>2</SUB>O<SUB>3</SUB>/ZrO<SUB>2</SUB> multilayers of 10:10, 5:10, 5:5, and 4:4 nm with 40 bilayers were deposited alternately in order to stabilize a high-temperature phase of zirconia at room temperature. All these films were characterized by X-ray diffraction (XRD), cross-sectional transmission electron microscopy (XTEM), and atomic force microscopy. The XRD studies of all the multilayer films showed only a tetragonal structure of zirconia and amorphous alumina. The high-temperature XRD studies of a typical 5:5-nm film indicated the formation of tetragonal zirconia at room temperature and high thermal stability. It was found that the critical layer thickness of zirconia is ≤10 nm, below which tetragonal zirconia is formed at room temperature. The XTEM studies on the as-deposited (Al<SUB>2</SUB>O<SUB>3</SUB>/ZrO<SUB>2</SUB>) 5:10-nm multilayer film showed distinct formation of multilayers with sharp interface and consists of mainly tetragonal phase and amorphous alumina, whereas the annealed film (5:10 nm) showed the inter-diffusion of layers at the interface.</P>
Jayaraman Theerthagiri,Govindarajan Durai,K. Karuppasamy,Prabhakarn Arunachalam,Venugopal Elakkiya,Parasuraman Kuppusami,Thandavarayan Maiyalagan,김현석 한국공업화학회 2018 Journal of Industrial and Engineering Chemistry Vol.67 No.-
Supercapacitors (SCs) has gained an impressive concentration by the researchers due to its advantages such as high energy and power densities, long cyclic life, rapid charge–discharge rates, low maintenance and desirable safety. Hence it has been widely utilized in energy storage and conversion devices. Among the different components of SC, electrodes play a vital role in the performances of SCs. In this review, we present the recent advances in 2-D nanostructured metal nitrides, carbides, and phosphides based materials for SC electrodes. Finally, the electrochemical stability and designing approach for the future advancement of the electrode materials are also highlighted.
Theerthagiri, Jayaraman,Durai, Govindarajan,Karuppasamy, K.,Arunachalam, Prabhakarn,Elakkiya, Venugopal,Kuppusami, Parasuraman,Maiyalagan, Thandavarayan,Kim, Hyun-Seok THE KOREAN SOCIETY OF INDUSTRIAL AND ENGINEERING 2018 JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY -S Vol.67 No.-
<P><B>Abstract</B></P> <P>Supercapacitors (SCs) has gained an impressive concentration by the researchers due to its advantages such as high energy and power densities, long cyclic life, rapid charge–discharge rates, low maintenance and desirable safety. Hence it has been widely utilized in energy storage and conversion devices. Among the different components of SC, electrodes play a vital role in the performances of SCs. In this review, we present the recent advances in 2-D nanostructured metal nitrides, carbides, and phosphides based materials for SC electrodes. Finally, the electrochemical stability and designing approach for the future advancement of the electrode materials are also highlighted.</P> <P><B>Graphical abstract</B></P> <P>[DISPLAY OMISSION]</P>