Surface Enhanced Raman Spectroscopy Analysis of Glyphosate Solution Volatiles

Yongan Yang; Deqing Zhang; Chuanyun Zhang; Minzhen Si

doi:10.3788/LOP57.133003

Journals >Laser & Optoelectronics Progress >Volume 57 >Issue 13 >Page 133003 > Article

Laser & Optoelectronics Progress
Vol. 57, Issue 13, 133003 (2020)

Surface Enhanced Raman Spectroscopy Analysis of Glyphosate Solution Volatiles

Yongan Yang^1、2、*, Deqing Zhang^1、2, Chuanyun Zhang^1、2, and Minzhen Si^1、2、**

Author Affiliations

¹Key Laboratory of Molecular Spectroscopy, Colleges and Universities in Yunnan Province, Chuxiong Normal University, Chuxiong, Yunnan 675000, China

²Application Institute of Spectroscopy Technology, Chuxiong Normal University, Chuxiong, Yunnan 675000, China

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DOI: 10.3788/LOP57.133003 Cite this Article Set citation alerts

Yongan Yang, Deqing Zhang, Chuanyun Zhang, Minzhen Si. Surface Enhanced Raman Spectroscopy Analysis of Glyphosate Solution Volatiles[J]. Laser & Optoelectronics Progress, 2020, 57(13): 133003 Copy Citation Text

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Fig. 1. Ultraviolet-visible light absorption spectrum of prepared Ag colloid

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Fig. 2. SEM graph of cross section of capillary substrate

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Fig. 3. SERS of commercially available glyphosate

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Fig. 4. SERS of glyphosate with different concentrations

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Fig. 5. SERS of volatiles of glyphosate with different concentrations

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SerialNumber	Wavenumber ofcharacteristicpeak /cm^-1	Vibrationalmode
1	446	ρ(CH₂)+δ(OH)
2	504	δ(OH) + ρ(CH₂)+δ(PO₂)
3	682	δ(OH) +ν(C—P)
4	796	δ(NH)+ρ(CH₂)+ν(P—OH)
5	890	ρ(CH₂)
6	1003	ν(PO₂)+δ(OH)
7	1025	ν(PO₂)+δ(OH)
8	1046	ν(C—N)+ν(C—OH)
9	1236	τ(CH₂)
10	1454	δ(CH₂))
Note: ν represents stretching vibration; δ represents scissor vibration; ρ represents in-plane swing; τ represents twisting vibration.

Table 1. Characteristic peaks and affiliation of SERS of glyphosate pesticide

Yongan Yang, Deqing Zhang, Chuanyun Zhang, Minzhen Si. Surface Enhanced Raman Spectroscopy Analysis of Glyphosate Solution Volatiles[J]. Laser & Optoelectronics Progress, 2020, 57(13): 133003

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