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photodegradation by Bi2O3 and Bi2O3/ZnFe2O4 electrodes varies with time(d) 3 结论 1) 采用化学水浴法合成了Bi2O3基底,然后通过电沉积结合后退火工艺制备Bi2O3/ZnFe2O4复合薄膜,通过UV-vis,EIS,M-S等表征手段证明ZnFe2O4的复合成功改善了Bi2O3薄膜的光电催化性能.Bi2O3/ZnFe2O4...] BALACHANDRAN S, SWAMINATHAN M. Facile fabrication of heterostructured Bi2O3-ZnO photocatalyst and its enhanced photocatalytic activity[J]. The Journal of Physical Chemistry C, 2012, 116: 26306-26312......
,晶粒在液流中进入生长阶段.晶粒的最终生长形状是由凝固界面的形态决定的.一般来讲,在纯扩散条件下,凝固界面的稳定性主要由界面前沿温度梯度和浓度梯度共同决定,可用20世纪60年代Mullins和Sekerka提出的经典M-S理论描述[20].根据该理论,过冷熔体中界面前沿温度梯度为负值,浓度梯度为正值,促使界面失稳.当晶粒生长半径大于一定值时,球形界面无法保持稳定,形成的突起持续发展并最终演变为发达枝... formation in semi-solid metal processing[C]// KANG C G, KIM S K, LEE S Y. Proc of 9th Int Conf on Semi-solid Processing of Alloys and Composites. Busan, Korea, 2006: 1-8. [19] LEE S Y, LEE S M, HONG C P......
, LIU H C, XIA J L, ZHU H R, MA C Y, ZHENG L, ZHAO J, QIU G. Differential utilization and transformation of sulfur allotropes, m-S and α-S8, by moderate thermoacidophile Sulfobacillus...Trans. Nonferrous Met. Soc. China 25(2015) 3096-3102 Differential utilization and speciation transformation of orthorhombic α-S8 and amorphous μ-S by substrate-acclimated mesophilic Acidithiobacillus......
, VE stands for the applied potential, Nd means the donor density, and k is the Boltzmann constant. As shown in Fig. 10, all M-S plots exhibit a positive slope, implying that the photoanode materials... efficient visible-light-driven water oxidation [J]. ACS Sustainable Chemistry & Engineering, 2018, 6(12): 16838-16846. [12] Zhu T, Chong M N, Chan E S. Nanostructured tungsten trioxide thin films......
