Metal ion sensing and light activated antimicrobial activity of aloe-vera derived carbon dots

被引：48

作者：

Devi, Pooja ^{[1
,2
]}

Thakur, Anupma ^{[1
,2
]}

Bhardwaj, Sanjeev K. ^{[1
]}

Saini, Shefali ^{[1
]}

Rajput, Prachi ^{[1
]}

Kumar, Praveen ^{[3
]}

机构：

[1] Cent Sci Instruments Org, Sect 30C, Chandigarh 160030, India

[2] CSIR, Acad Sci & Innovat Res AcSIR, New Delhi 110001, India

[3] Indian Assoc Cultivat Sci, Dept Mat Sci, Kolkata 700032, India

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 20期

关键词：

GRAPHENE QUANTUM DOTS; LABEL-FREE DETECTION; GREEN SYNTHESIS; PHOTOLUMINESCENCE PROPERTIES; FERRIC ION; ANTIBACTERIAL; LUMINESCENT; SENSOR; COMPOSITE; FACILE;

D O I：

10.1007/s10854-018-9819-0

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Carbon dots (CDs) have emerged out as a potential material amongst the carbon family for a wide range of applications including chemical/biological sensing, photocatalysis, bioimaging, etc. The green synthesis of these CDs from natural sources is gaining the significant interest of peer community for their wide utility. Herein, we present a facile one-step pyrolysis method for CDs synthesis from Aloe-Vera extract, which show bright blue luminescence under UV light with a quantum yield of 12.3%. Further, ex-situ morphological, structural and optical characterizations reveal their high quality and excitation independent emission behavior with the presence of carboxyl, hydroxyl functional groups. Furthermore, these CDs were studied for Fe(III) sensing in water without any surface modifications and assessed for their light activated antibacterial activity against E.Coli and Staphylococcus aureus.

引用

页码：17254 / 17261

页数：8

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