Valorization of Expired Passion Fruit Shell by Hydrothermal Conversion into Carbon Quantum Dot: Physical and Optical Properties

被引：42

作者：

Yang, Hang ^{[1
]}

Zhou, Boxun ^{[1
]}

Zhang, Yi ^{[2
]}

Liu, Huamin ^{[3
]}

Liu, Yaowen ^{[3
]}

He, Yong ^{[3
]}

Xia, Shibin ^{[1
]}

机构：

[1] Wuhan Univ Technol, Coll Resource & Environm, 171 Luoshi St, Wuhan 430000, Peoples R China

[2] Dongfeng Motor Co Ltd, Equipment Co, Shiyan 442000, Peoples R China

[3] Sinopec Jianghan Oilfield Branch, Chongqing 400000, Peoples R China

来源：

WASTE AND BIOMASS VALORIZATION | 2021年 / 12卷 / 04期

关键词：

Expired passion fruit; Carbon quantum dots; Hydrothermal synthesis; Valorization; GREEN SYNTHESIS; FLUORESCENT INKS; EXTRACT; FABRICATION;

D O I：

10.1007/s12649-020-01132-z

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Expired fruits have always been treated as garbage. In this paper, expired passion fruit shells are processed into carbon quantum dots (CQDs) by hydrothermal synthesis method. Expired passion fruit shells based carbon quantum dots were characterized using TEM-EDS, FTIR, PL, XRD, XPS, Raman spectrum and Uv-vis analysis. The morphology of CQDs shows sphere shape with the size below 5 nm. CQDs exhibit a weak graphite phase structure according to Raman spectrum. The photoluminescence of CQDs shows the obvious excitation-dependent property with the quantum yield of 1.8%. In addition, expired passion fruit pulp was treated using hydrothermal method. The final product was analyzed using TEM and GC-MS. The result shows the high content of furandione in the product, which indicates the potential for further extraction by purification. This paper expands new way for the reuse of expired fruits. [GRAPHICS] .

引用

页码：2109 / 2117

页数：9

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