Preparation and Application of Graphene Sponge
碩士 === 國防大學理工學院 === 化學工程碩士班 === 105 === Three kinds of environmental friendly reducing agent, i.e. fructose, glucose and sucrose were chosen during the process of reduction and self-assembly of graphene oxide (GO) via the hydrothermal (160 °C for 8 h) and freeze-drying (- 50 °C for 48 h) technique t...
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ndltd-TW-105CCIT05000172019-05-15T23:17:37Z http://ndltd.ncl.edu.tw/handle/79tbp5 Preparation and Application of Graphene Sponge 石墨烯海綿的製備及應用 CHEN,PIN-HSUAN 陳品璇 碩士 國防大學理工學院 化學工程碩士班 105 Three kinds of environmental friendly reducing agent, i.e. fructose, glucose and sucrose were chosen during the process of reduction and self-assembly of graphene oxide (GO) via the hydrothermal (160 °C for 8 h) and freeze-drying (- 50 °C for 48 h) technique to fabricate the graphene sponge (GS), and assigned as GS-f, GS-g, GS-s, respectively. Also, compared with the self-assembly of oxygen containing functional groups of GO without using reducing agent (named as rGS). The samples were characterized by XRD, FT-IR, TEM/SEM, BET, EA, TPR and Raman. The adsorption capacity and recycling measurement of oils, organic solvents and dyes over the fabricated GS was evaluated by weighting method and UV-vis spectroscopy. The results indicated that the hydrophobic GS showed light weight and formed 3D porous structure, which could enhance the adsorption capacity for oils, organic solvents and cation-type dye (i.e., methylene blue, MB). The adsorption capacity of best adsorbent of GS-1f to oils reached to 60 times of its own weight, and reached to 40 times of its bulk weight for organic solvents. Recycling performance of oils showed that 70% of the adsorption capacity on the GS-1f could be preserved by extraction recovered even after 10 cycles, implying a good recycling performance. The adsorbed percentage of MB on the GS-1s exceeded 90%. Key words: Graphene sponge, Adsorption capacity, Hydrophobic. WANG,CHEN-BIN 汪成斌 2017 學位論文 ; thesis 79 zh-TW |
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碩士 === 國防大學理工學院 === 化學工程碩士班 === 105 === Three kinds of environmental friendly reducing agent, i.e. fructose, glucose and sucrose were chosen during the process of reduction and self-assembly of graphene oxide (GO) via the hydrothermal (160 °C for 8 h) and freeze-drying (- 50 °C for 48 h) technique to fabricate the graphene sponge (GS), and assigned as GS-f, GS-g, GS-s, respectively. Also, compared with the self-assembly of oxygen containing functional groups of GO without using reducing agent (named as rGS). The samples were characterized by XRD, FT-IR, TEM/SEM, BET, EA, TPR and Raman. The adsorption capacity and recycling measurement of oils, organic solvents and dyes over the fabricated GS was evaluated by weighting method and UV-vis spectroscopy. The results indicated that the hydrophobic GS showed light weight and formed 3D porous structure, which could enhance the adsorption capacity for oils, organic solvents and cation-type dye (i.e., methylene blue, MB). The adsorption capacity of best adsorbent of GS-1f to oils reached to 60 times of its own weight, and reached to 40 times of its bulk weight for organic solvents. Recycling performance of oils showed that 70% of the adsorption capacity on the GS-1f could be preserved by extraction recovered even after 10 cycles, implying a good recycling performance. The adsorbed percentage of MB on the GS-1s exceeded 90%.
Key words: Graphene sponge, Adsorption capacity, Hydrophobic.
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author2 |
WANG,CHEN-BIN |
author_facet |
WANG,CHEN-BIN CHEN,PIN-HSUAN 陳品璇 |
author |
CHEN,PIN-HSUAN 陳品璇 |
spellingShingle |
CHEN,PIN-HSUAN 陳品璇 Preparation and Application of Graphene Sponge |
author_sort |
CHEN,PIN-HSUAN |
title |
Preparation and Application of Graphene Sponge |
title_short |
Preparation and Application of Graphene Sponge |
title_full |
Preparation and Application of Graphene Sponge |
title_fullStr |
Preparation and Application of Graphene Sponge |
title_full_unstemmed |
Preparation and Application of Graphene Sponge |
title_sort |
preparation and application of graphene sponge |
publishDate |
2017 |
url |
http://ndltd.ncl.edu.tw/handle/79tbp5 |
work_keys_str_mv |
AT chenpinhsuan preparationandapplicationofgraphenesponge AT chénpǐnxuán preparationandapplicationofgraphenesponge AT chenpinhsuan shímòxīhǎimiándezhìbèijíyīngyòng AT chénpǐnxuán shímòxīhǎimiándezhìbèijíyīngyòng |
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