Photoeffects in La[sup 3 + ]-doped BaTiO[sub 3] ceramic electrodes Export

@article{citeulike:935490, abstract = {Photoelectrochemical conversion characteristics of semiconducting, polycrystalline BaTiO3 electrodes have been investigated as a function of sintering atmosphere (air/H2) and the amount of dopant (lanthanum). The photocurrents for specimens sintered in air were greater than those of specimens sintered in hydrogen. Also, as the amount of dopant in BaTiO3 sintered in air increased, the photocurrent increased up to 0.2 at. \% addition and then decreased. However, for BaTiO3 sintered in hydrogen, the photocurrents decreased consistently with the addition of the dopant. These results could be explained in terms of ceramic microstructure and electrical resistivity. Regardless of the amount of lanthanum, the photoresponse, as the wavelength of the induced light that varied, began to appear around 420\&\#150;430 and 780\&\#150;800 nm, which corresponds to the energy band of La-doped BaTiO3 and the oxygen vacancy level within the gap, respectively. Journal of Applied Physics is copyrighted by The American Institute of Physics.}, author = {Yoon, Ki H. and Kwon, Chul H. and Kim, Tae H.}, citeulike-article-id = {935490}, citeulike-linkout-0 = {http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JAPIAU000067000002000868000001&idtype=cvips&gifs=yes}, citeulike-linkout-1 = {http://link.aip.org/link/?JAP/67/868}, citeulike-linkout-2 = {http://dx.doi.org/10.1063/1.345745}, doi = {10.1063/1.345745}, journal = {Journal of Applied Physics}, keywords = {photoelectric, slto}, number = {2}, pages = {868--872}, posted-at = {2006-11-07 14:19:07}, priority = {3}, publisher = {AIP}, title = {Photoeffects in La[sup 3 + ]-doped BaTiO[sub 3] ceramic electrodes}, url = {http://dx.doi.org/10.1063/1.345745}, volume = {67}, year = {1990} }

TY - JOUR ID - citeulike:935490 L3 - citeulike-article-id:935490 N2 - Photoelectrochemical conversion characteristics of semiconducting, polycrystalline BaTiO3 electrodes have been investigated as a function of sintering atmosphere (air/H2) and the amount of dopant (lanthanum). The photocurrents for specimens sintered in air were greater than those of specimens sintered in hydrogen. Also, as the amount of dopant in BaTiO3 sintered in air increased, the photocurrent increased up to 0.2 at. % addition and then decreased. However, for BaTiO3 sintered in hydrogen, the photocurrents decreased consistently with the addition of the dopant. These results could be explained in terms of ceramic microstructure and electrical resistivity. Regardless of the amount of lanthanum, the photoresponse, as the wavelength of the induced light that varied, began to appear around 420–430 and 780–800 nm, which corresponds to the energy band of La-doped BaTiO3 and the oxygen vacancy level within the gap, respectively. Journal of Applied Physics is copyrighted by The American Institute of Physics. IS - 2 JF - Journal of Applied Physics EP - 872 TI - Photoeffects in La[sup 3 + ]-doped BaTiO[sub 3] ceramic electrodes PB - AIP VL - 67 SP - 868 KW - photoelectric KW - slto AU - Yoon, Ki AU - Kwon, Chul AU - Kim, Tae PY - 1990/// UR - http://dx.doi.org/10.1063/1.345745 ER -