Study on Performances of Transmitting Pressure and Measuring Pressure of [C4mim][BF4] by Using Spectroscopic Techniques

Xiang ZHU; Chao-sheng YUAN; Xue-rui CHENG; Tao LI; Song ZHOU; Xin ZHANG; Xing-bang DONG; Yong-fu LIANG; Zheng WANG

doi:10.3964/j.issn.1000-0593(2022)06-1674-05

Journals >Spectroscopy and Spectral Analysis >Volume 42 >Issue 6 >Page 1674 > Article

Spectroscopy and Spectral Analysis
Vol. 42, Issue 6, 1674 (2022)

Study on Performances of Transmitting Pressure and Measuring Pressure of [C₄mim][BF₄] by Using Spectroscopic Techniques

Xiang ZHU^{1、1; 2; *;}, Chao-sheng YUAN^1、1;, Xue-rui CHENG^1、1;, Tao LI^1、1;, Song ZHOU^1、1;, Xin ZHANG^1、1;, Xing-bang DONG^1、1;, Yong-fu LIANG^2、2;, and Zheng WANG^2、2;

Author Affiliations

¹1. College of Physics and Electronic Engineering, Zhengzhou University of Light Industry, Zhengzhou 450001, China

²2. Henan Key Laboratory of Magnetoelectronic Information Functional Materials, Zhengzhou University of Light Industry, Zhengzhou 450001, China

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DOI: 10.3964/j.issn.1000-0593(2022)06-1674-05 Cite this Article

Xiang ZHU, Chao-sheng YUAN, Xue-rui CHENG, Tao LI, Song ZHOU, Xin ZHANG, Xing-bang DONG, Yong-fu LIANG, Zheng WANG. Study on Performances of Transmitting Pressure and Measuring Pressure of [C₄mim][BF₄] by Using Spectroscopic Techniques[J]. Spectroscopy and Spectral Analysis, 2022, 42(6): 1674 Copy Citation Text

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Fig. 1. Molecular structure of [C₄mim][BF₄]

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Fig. 2. Sketch of diamond anvil cell

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Fig. 3. Fluorescence spectra of ruby

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Fig. 4. Relation of FWHM of ruby R₁ line and pressure

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Fig. 5. Raman spectra (a) and relationship between Raman peak and pressure (b) of [C₄mim][BF₄]

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No.	R₁/nm	P/GPa	No.	R₁/nm	P/GPa
1	694.03	0	13	697.59	9.93
2	694.26	0.62	14	697.91	10.84
3	694.47	1.20	15	698.21	11.70
4	694.71	1.88	16	698.56	12.71
5	694.86	2.28	17	698.91	13.69
6	695.12	3.00	18	699.15	14.39
7	695.57	4.27	19	699.45	15.27
8	696.01	5.49	20	699.79	16.25
9	696.29	6.26	21	700.26	17.60
10	696.63	7.22	22	700.70	18.91
11	697.09	8.53	23	701.12	20.13
12	697.29	9.08	24	701.57	21.43

Table 1. R₁ line of ruby with pressure

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P/GPa	ν_(B-F)		ν_(ring)
P/GPa	峰位/cm^-1)	测压函数	峰位/cm^-1)	测压函数
0 0.62 1.20 1.88	766.9 769.2 771.3 774.1	P=-193.8+0.252 8×ν_(B-F) (R²=0.986, μ=0.13 GPa) (0<P<2.28 GPa)	1 024.7 1 026.9 1 028.2 1 030.1	P=-436.5+0.425 6×ν_(ring) (R²=0.985, μ=0.17 GPa) (0<P<2.28 GP)
2.28 3.00 4.27 5.49	775.7 778.0 782.0 785.5	P=-251.4+0.326 9×ν_(B-F) (R²=0.999, μ=0.16 GPa) (2.28<P<6.26 GPa)	1 031.1 1 032.8 1 035.9 1 038.8	P=-427.7+0.417 0×ν_(ring) (R²=0.999, μ=0.21 GPa) (2.28<P<6.26 GPa)
6.26 7.22 8.53 9.08 9.93 10.84 11.70 12.71 13.69	788.0 792.3 796.2 798.8 801.9 804.6 807.8 810.9 813.0	P=-224.5+0.292 6×ν_(B-F) (R²=0.994, μ=0.15 GPa) (6.26<P<14.39 GP)	1 040.8 1 044.5 1 047.6 1 049.6 1 052.0 1 054.1 1 056.5 1 059.1 1 060.7	P=-379.0+0.369 9×ν_(ring) (R²=0.993, μ=0.19 GPa) (6.26<P<14.39 GPa)
14.39 15.27 16.25 17.60 18.91 20.13 21.43	814.4 817.4 820.7 822.7 827.0 830.1 832.6	P=-299.7+0.385 5×ν_(B-F) (R²=0.991, μ=0.19 GPa) (14.39<P<21.43 GPa)	1 062.0 1 064.3 1 066.4 1 068.0 1 070.8 1 072.8 1 074.2	P=-596.6+0.574 9×ν_(ring) (R²=0.988, μ=0.29 GPa) (14.39<P<21.43 GPa)

Table 2. Function relations of pressure and ν_(B-F) and ν_(ring) at different pressure ranges

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