Formation of arrays of gallium nitride nanorods within mesoporous silica SBA-15

Article Abstract:

The first growth of arrays of GaN nanorods within the channels of SBA-15 powder is described. Free-standing GaN nanorod arrays were revealed upon removal of the silica framework with HF solution while the optical characterization of the isolated GaN nanorod arrays shows a strong and sharp near band-edge emission at 375 nm, two phonon-assisted donor-acceptor peaks at 395 and 415 nm.

Silicon & Inorganic Compounds, Optical properties, Silicon compounds, Gallium nitrate

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MnS hierarchical hollow spheres with novel shell structure

Article Abstract:

High yields of MnS microspheres with novel hierarchical structure are prepared through a simple solution method. Analyses reveal that the microspheres combine the hollow interior feature with a shell nanorod array characteristic and these features show that the novel core-shell structure has the potential for applications in photoconduction fields.

Industrial inorganic chemicals, not elsewhere classified, Manganese Sulfate, Analysis, Chemical synthesis, Structure

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Light-emission and excited-state dynamics in Tm(super 2+) doped CsCaCl3, CsCaBr3, and CsCal3

Article Abstract:

The light-emission and photophysical properties of CsCaCl3: TM(super 2+) (1.04%), CsCaBr3: TM(super 2+) (0.48%) and CsCaI3:TM(super 2+) (0.76%) is presented. Using a single configurational coordinate approach the interplay and competition between radiative and nonradiative pathways is explained and modeled.

Calcium & Compounds, Calcium compounds, Thulium

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