Fabrication and optical characteristics of thick GeO2 sol–gel coatings

Chen, Jing; Hou, Jinxia; Xu, Xinguang

doi:10.1016/j.optmat.2007.03.006

Cited by 32 publications

(20 citation statements)

References 41 publications

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“…This region is dominated by ring vibrations overlapped with stretching vibrations of (C-OH) side groups and the (C-O-C) glycosidic bond vibration. bands at 1100 and 1017 cm -1 were strongest, similarly as reported earlier [26,27]. The unique spectral shape of Agar is due to the high homogalacturonan content and Agar has linked backbones.…”

Section: Ft-ir Studysupporting

confidence: 87%

Synthesis of SiO2 based nanocomposite of Agar and its characterization

sen¹

2017

IOSR JAC

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Section: Ft-ir Studysupporting

confidence: 87%

Synthesis of SiO2 based nanocomposite of Agar and its characterization

sen¹

2017

IOSR JAC

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“…7). Furthermore, peaks assigned to Ge-O-Ge (the antisymmetric stretching mode of hexagonal GeO 2 ) were found at 892 and 960 cm -1 [25,45,56] (Fig. 6); these peaks are equivalent to Nano Res.…”

Section: Resultsmentioning

confidence: 99%

Extreme biomimetic approach for developing novel chitin-GeO2 nanocomposites with photoluminescent properties

et al. 2015

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This work presents an extreme biomimetics route for the creation of nanostructured biocomposites utilizing a chitinous template of poriferan origin. The specific thermal stability of the nanostructured chitinous template allowed for the formation under hydrothermal conditions of a novel germanium oxide− chitin composite with a defined nanoscale structure. Using a variety of analytical techniques (FTIR, Raman, energy dispersive X-ray (EDX), near-edge X-ray absorption fine structure (NEXAFS), and photoluminescence (PL) spectroscopy, EDS-mapping, selected area for the electron diffraction pattern (SAEDP), and transmission electron microscopy (TEM)), we showed that this bioorganic scaffold induces the growth of GeO 2 nanocrystals with a narrow (150-300 nm) size distribution and predominantly hexagonal phase, demonstrating the chitin template's control over the crystal morphology. The formed GeO 2 -chitin composite showed several specific physical properties, such as a striking enhancement in photoluminescence exceeding values previously reported in GeO 2 -based biomaterials. These data demonstrate the potential of extreme biomimetics for developing new-generation nanostructured materials.

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“…Illustrated in Fig. 2(d), the specific peaks of GeO 2 are shown at 42.5 , 52.2 , and 61.6 (Jing et al, 2008). However, since the loading amount of both Ga 2 O 3 and GeO 2 is very low; therefore, it is likely that both are well dispersed on the supports.…”

Section: (A) Physical Properties Of Catalystsmentioning

confidence: 97%