scholarly journals Effect of MnO2 doped on physical, structure and optical properties of zinc silicate glasses from waste rice husk ash

2017 ◽  
Vol 7 ◽  
pp. 955-961 ◽  
Author(s):  
Ali Jabbar Abed Al-Nidawi ◽  
Khamirul Amin Matori ◽  
Azmi Zakaria ◽  
Mohd Hafiz Mohd Zaid
Keyword(s):  
Optical Properties ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Physical Structure ◽  
Silicate Glasses ◽  
Zinc Silicate

scholarly journals A Study on Optical Properties of Zinc Silicate Glass-Ceramics as a Host for Green Phosphor

2020 ◽  
Vol 10 (14) ◽  
pp. 4938
Author(s):  
Siti Aisyah Abdul Wahab ◽  
Khamirul Amin Matori ◽  
Mohd Hafiz Mohd Zaid ◽  
Mohd Mustafa Awang Kechik ◽  
Sidek Hj Ab Aziz ◽  
...  
Keyword(s):  
Optical Properties ◽  
Silicate Glass ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Glass Ceramics ◽  
Linear Shrinkage ◽  
Zinc Silicate ◽  
Crystal Formation ◽  
Absorption Bands ◽  
White Rice

For the very first time, a study on the crystallization growth of zinc silicate glass and glass-ceramics was done, in which white rice husk ash (WRHA) was used as the silicon source. In this study, zinc silicate glass was fabricated by using melt–quenching methods based on the composition (ZnO)0.55(WRHA)0.45, where zinc oxide (ZnO) and white rice husk ash were used as the raw materials. The control crystallization technique was used in which the sample was sintered at 700–950 °C; then, the physical, structural, and optical properties of the glass and glass-ceramics were investigated by using a densitometer, linear shrinkage, X-ray diffraction (XRD), Fourier transform infrared radiation (FTIR), field-emission scanning electron microscopy (FESEM), and photoluminescence spectroscopy (PL). The density and linear shrinkage increased as the crystallinity increased and the XRD results showed the progression of the crystal formation, in which the sample was still in an amorphous state at 27 °C and 700 °C; the crystalline phase started at 750 °C. Based on the FTIR spectra, all samples showed sharpened absorption bands as the sintering temperature was increased, and the FESEM image showed the progression of crystal growth, indicating the formation of zinc silicate glass-ceramics. Lastly, the PL spectra emitted three emission peaks, at 529, 570, and 682 nm for the green, yellow, and red emission, respectively.

The Utility of Rice Husk Ash from Biomass Power Plant of Nakhon Ratchasima Province for Synthesis of Nano-Silica for Using Cathode Material of Lithium Ion Battery

2018 ◽  
Vol 766 ◽  
pp. 51-57
Author(s):  
Onlamee Kamon In ◽  
Suthum Srilomsak ◽  
Nonglak Meethong
Keyword(s):  
Chemical Composition ◽  
Silica Nanoparticles ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Lithium Ion ◽  
Physical Structure ◽  
Silica Content ◽  
Chemical Extraction ◽  
Composition Analysis ◽  
Sem Images

The high purity nanosilica materials could preparation from different synthesis route. In this research, rice husk ash was extracted into silica powder, by chemical extraction method. Then, chemical composition analysis with XRF technique. In addition, the extracted silica nanoparticles were analyzed by XRD technique. Physical structure of nanoscale particles by SEM imaging. The results showed that the chemical composition of rice husk ash consists mainly of silica. While, the extracted silica nanoparticles had a high silica content of 99.9999%. In addition, silica extracted with silica nanoparticles was confirmed by XRD at position 2θ ≈ 22° and the crystalline extracts were amorphous to the physical characteristics of the SEM images. In the future, nanosilicon powder may be used to synthesize lithium-ion batteries.

Silica derived from variety of sources and its functionalized forms as an antiblock additive in polypropylene

2021 ◽  
pp. 089270572110571
Author(s):  
Omair Malik ◽  
Tina Joshi ◽  
Vishal Goel ◽  
Gurpreet Singh Kapur ◽  
Leena Nebhani
Keyword(s):  
Optical Properties ◽  
Rice Husk ◽  
Morphological Analysis ◽  
Rice Husk Ash ◽  
Melt Flow Index ◽  
Polymeric Films ◽  
Flow Index ◽  
Yellowness Index ◽  
Transparent Films ◽  
Ash Disposal

Silica derived from variety of sources and its functionalized form has been studied as an antiblock additive in polypropylene (PP). Commonly inorganic antiblock additives are added to PP films to reduce the blocking and facilitate separation of polymeric films. However, such types of additives can cause a reduction of clarity in transparent films. In the present work, comparative analysis of silica obtained from various sources specifically from rice husk ash and its further functionalization/modifications using n-octyltriethoxysilane has been performed. Since silica synthesized via rice husk ash was obtained from waste (rice husk ash), this further solves the problem of ash disposal. The functionalized silica has been characterized using Fourier transform infrared (FTIR) spectroscopy, and thermogravimetric analysis (TGA). The morphological analysis and particle shape and size has been characterized by scanning electron microscopy (SEM). The melt flow index (MFI), yellowness index and other mechanical characterizations including tensile and impact strength was performed for 30–40 µm thick tubular quenched polypropylene (TQPP) films. These films were evaluated to have high transmittance (above 93%), high clarity (above 98%) and very low haze (less than 2%) indicating the high transparency and improved optical properties. The blocking force and optical properties are quite similar for TQPP film containing silica synthesized from rice husk ash and commercial grade silica and hence, proving silica synthesized from rice husk ash to be an effective substitute for commercial silica in TQPP films.

Investigations of Physical and Optical Properties on Glass from Rice Husk Ash Doped with MnO2

2013 ◽  
Vol 770 ◽  
pp. 14-17 ◽  
Author(s):  
Smit Insiripong ◽  
Nattapon Srisittipokakun ◽  
Keerati Kirdsiri ◽  
Jakrapong Kaewkhao
Keyword(s):  
Refractive Index ◽  
Optical Properties ◽  
Rice Husk ◽  
Glass Sample ◽  
Rice Husk Ash ◽  
Research Work ◽  
Glass Production ◽  
Silica Source ◽  
Doped Glasses ◽  
Mn Doped

In this research work, physical and optical properties on glass prepared from rice husk ash (RHA) doped with MnO2 glasses were in investigated. RHA was sintered at 1,000 °C and use as a silica source for glass production. The glass sample were prepared and doped with different concentrations of MnO2 ranging from 0.0 to 1.0 mol%. The results are shown that the colors of glass samples were altered from colorless to brown with increasing of MnO2 concentration. Refractive index and density were increased with increasing MnO2 concentration. The absorption peaks at 440 nm were obtained for all Mn doped glasses.

scholarly journals Effect of ZnO on the phase transformation and optical properties of silicate glass frits using rice husk ash as a SiO2 source

2020 ◽  
Vol 9 (5) ◽  
pp. 11013-11021
Author(s):  
Siti Aisyah Abdul Wahab ◽  
Khamirul Amin Matori ◽  
Sidek Hj Ab Aziz ◽  
Mohd Hafiz Mohd Zaid ◽  
Mohd Mustafa Awang Kechik ◽  
...  
Keyword(s):  
Phase Transformation ◽  
Optical Properties ◽  
Silicate Glass ◽  
Rice Husk ◽  
Rice Husk Ash

Effect of Lead Oxide on Glass Properties Produced from Rice Husk Fly Ash

2012 ◽  
Vol 506 ◽  
pp. 563-566 ◽  
Author(s):  
Y. Ruangtaweep ◽  
Jakrapong Kaewkhao ◽  
N. Srisittipokakun ◽  
Pichet Limsuwan
Keyword(s):  
Refractive Index ◽  
Optical Properties ◽  
Fly Ash ◽  
Rice Husk ◽  
Lead Oxide ◽  
Rice Husk Ash ◽  
Glass Production ◽  
Raw Material ◽  
Melt Quenching ◽  
Glass Properties

In this work, the glass samples were prepared from the rice husk ash (RHA) with different PbO concentrations by melt-quenching technique. The effect of PbO on the physical and optical properties of the glasses from RHA have been studied. The results showed that the refractive index and density increased with increasing PbO concentration. The absorption spectra of all samples showed the cut-off wavelength approximately at 360 nm. For comparison, similar properties of SiO2 glass doped with different PbO concentrations were also studied. It was found that the RHA is possible to be used as a raw material in the glass production.

scholarly journals Influence of zinc oxide on the physical, structural and optical band gap of zinc silicate glass system from waste rice husk ash

Optik ◽  
2017 ◽  
Vol 136 ◽  
pp. 129-135 ◽  
Author(s):  
Chee Sun Lee ◽  
Khamirul Amin Matori ◽  
Sidek Hj. Ab Aziz ◽  
Halimah Mohamed Kamari ◽  
Ismayadi Ismail ◽  
...  
Keyword(s):  
Zinc Oxide ◽  
Band Gap ◽  
Silicate Glass ◽  
Rice Husk ◽  
Optical Band Gap ◽  
Rice Husk Ash ◽  
Glass System ◽  
Zinc Silicate

Development of Barium Borosilicate Glass Using Rice Husk Ash: Effect of BaO

2013 ◽  
Vol 770 ◽  
pp. 201-204 ◽  
Author(s):  
Suparat Tuscharoen ◽  
Suwimon Ruengsri ◽  
Jakrapong Kaewkhao
Keyword(s):  
Refractive Index ◽  
Optical Properties ◽  
Rice Husk ◽  
Rice Husk Ash ◽  
Barium Borate ◽  
Melt Quenching ◽  
Density Data ◽  
Barium Borosilicate Glass ◽  
Uv Visible ◽  
Abbe Refractometer

This paper is report on the physical and optical properties of development barium-borate-rice husk ash (BaBRHA) glass system. The glasses containing BaO in xBaO:(80-x)B2O3:20RHA where x = 30, 35, 40 and 45 wt% have been prepared by melt quenching technique. The physical properties of this glass are shown from density data. The optical properties were investigated from refractive index and transmission by using Abbe-refractometer and UV-visible spectrometer respectively.

scholarly journals Physical and Optical Properties of CuO doped in Glasses Prepared from Rice Husk Ash in Suphan Buri Province, Thailand

2021 ◽  
Vol 2013 (1) ◽  
pp. 012002
Author(s):  
Supakit Yonphan ◽  
Nattapon Srisittipokakun ◽  
Jakrapong Kaewkhao
Keyword(s):  
Optical Properties ◽  
Rice Husk ◽  
Rice Husk Ash
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