Non-toxic arsenic nanoparticles for surface-enhanced Raman spectroscopy applications

被引：3

作者：

Sherpa, Laden ^{[1
]}

Nayak, Chinmay C. ^{[2
]}

Nimmala, Arun ^{[3
]}

Tripathi, Ajay ^{[1
]}

Tiwari, Archana ^{[2
]}

机构：

[1] Sikkim Univ, Dept Phys, Gangtok, India

[2] Banaras Hindu Univ, Inst Sci, Dept Phys, Varanasi, India

[3] Univ Hyderabad, Ctr Adv Studies Elect Sci & Technol CASEST, Sch Phys, Hyderabad, India

来源：

RADIATION EFFECTS AND DEFECTS IN SOLIDS | 2024年 / 179卷 / 1-2期

关键词：

Arsenic nanoparticles; defects; non-toxic; SERS; enhancement factor; SERS;

D O I：

10.1080/10420150.2024.2318723

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

In this study, we present green synthesis of Arsenic nanoparticles (As NPs) using different plant extracts. The resultant As NPs exhibit diverse sizes, shapes and assembly of nanotubules. In addition, As NPs have large band gap that ranges from 3.09 to 3.88 eV. They are enriched with defect states and exhibit multiple defect related photoluminescence. Owing to the aggregation and nanotubule assembly of As NPs, they are utilized for surface-enhanced Raman spectroscopy (SERS) sensing application. Under the illumination of continuous wave 785 nm laser, these As NPs demonstrate the detection of Methylene blue dye molecules via non-plasmonic chemical enhancement of SERS signal with an enhancement factor of 10 $ <^>3 $ 3. Intriguingly, As NPs exhibit non-toxicity towards specific microbes, suggesting safety in handling during experiments and potential applications in SERS imaging and biomedicines.

引用

页码：146 / 161

页数：16

共 42 条

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