Novel acridone-modified MCM-41 type silica: Synthesis, characterization and fluorescence tuning

• Maximilian Hemgesberg,
• Gunder Dörr,
• Yvonne Schmitt,
• Andreas Seifert,
• Zhou Zhou,
• Robin Klupp Taylor,
• Sarah Bay,
• Stefan Ernst,
• Markus Gerhards,
• Thomas J. J. Müller and
• Werner R. Thiel

Beilstein J. Nanotechnol. 2011, 2, 284–292, doi:10.3762/bjnano.2.33

• to the TEM analysis (Figure 3) and BET measurements (Figure 4), the sol–gel process yielded a well ordered mesoporous material with a total surface area of up to 810 m2·g−1, exhibiting a characteristic pore size distribution with a sharp peak around 2.4 nm. The XRD spectrum reveals the expected peak

Synthesis of LiNbO₃ nanoparticles in a mesoporous matrix

• Anett Grigas and
• Stefan Kaskel

Beilstein J. Nanotechnol. 2011, 2, 28–33, doi:10.3762/bjnano.2.3

• ). The obtained nanoparticles are spherical with a diameter of approximately 10 nm. Keywords: LiNbO3; ordered mesoporous material; SBA-15; template synthesis; Introduction Lithium niobate is one of the most important ferroelectric materials. At room temperature it has a rhombohedral symmetry and space