scholarly journals H2 production from lightweight inorganic hydrides catalyzed by 3d transition metals

2019 ◽  
Vol 44 (47) ◽  
pp. 25746-25776 ◽  
Author(s):  
Lapo Luconi ◽  
Giulia Tuci ◽  
Giuliano Giambastiani ◽  
Andrea Rossin ◽  
Maurizio Peruzzini
Keyword(s):  
Transition Metals ◽  
H2 Production

Rational regulation of transition metals in polyoxometalate hybrids without noble metal assistance for efficient light-driven H2 production

2020 ◽  
Vol 56 (52) ◽  
pp. 7199-7202 ◽  
Author(s):  
Bonan Li ◽  
Xiaojing Yu ◽  
Haijun Pang ◽  
Qingbo Shen ◽  
Yan Hou ◽  
...  
Keyword(s):  
Transition Metals ◽  
Hydrogen Evolution ◽  
Noble Metal ◽  
H2 Production ◽  
Evolution Rate ◽  
Photocatalytic Hydrogen Evolution ◽  
Metal Free ◽  
Hydrogen Evolution Rate ◽  
Metal Organic

Four new noble metal-free hybrids are reported with a maximum photocatalytic hydrogen evolution rate of 12245.59 μmol g−1 h−1, which outperform all known polyoxometalate (POM)-based metal–organic photocatalysts.

Precipitation in silicon: Microanalysis

1988 ◽  
Vol 46 ◽  
pp. 474-475
Author(s):  
R.W. Carpenter
Keyword(s):  
Transition Metals ◽  
Spatial Resolution ◽  
Thin Foil ◽  
Precipitation Reaction ◽  
High Current ◽  
Reaction Products ◽  
Carbon And Nitrogen ◽  
Dielectric Layers ◽  
Precipitation Processes ◽  
Areas Of Interest

Interest in precipitation processes in silicon appears to be centered on transition metals (for intrinsic and extrinsic gettering), and oxygen and carbon in thermally aged materials, and on oxygen, carbon, and nitrogen in ion implanted materials to form buried dielectric layers. A steadily increasing number of applications of microanalysis to these problems are appearing. but still far less than the number of imaging/diffraction investigations. Microanalysis applications appear to be paced by instrumentation development. The precipitation reaction products are small and the presence of carbon is often an important consideration. Small high current probes are important and cryogenic specimen holders are required for consistent suppression of contamination buildup on specimen areas of interest. Focussed probes useful for microanalysis should be in the range of 0.1 to 1nA, and estimates of spatial resolution to be expected for thin foil specimens can be made from the curves shown in Fig. 1.

MAGNETIC STUDIES OF Clb-COMPOUNDS OF TRANSITION METALS

1971 ◽  
Vol 32 (C1) ◽  
pp. C1-74-C1-75 ◽  
Author(s):  
K. ENDO ◽  
Y. FUJITA ◽  
R. KIMURA ◽  
T. OHOYAMA ◽  
M. TERADA
Keyword(s):  
Transition Metals ◽  
Magnetic Studies
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