The Laser-Induced Fluorescence Spectrum of Gold Monoxide (AuO) : b(4)Pi(3/2) - X-2 Pi(3/2) Transition

doi:10.3964/j.issn.1000-0593(2020)06-1747-04

	The Laser-Induced Fluorescence Spectrum of Gold Monoxide (AuO) : b(4)Pi(3/2) - X-2 Pi(3/2) Transition
	Xiang Qian-lan 1,3; Yang Jie 2; Hua Xue-xia 1; Zhang Ji-cai 2; Ma Xin-wen 2
刊名	SPECTROSCOPY AND SPECTRAL ANALYSIS
	2020-06-01
卷号	40 期号:6 页码:1747-1750
关键词	AuO Laser-induced fluorescence (LIF) Electronic spectrum
ISSN号	1000-0593
DOI	10.3964/j.issn.1000-0593(2020)06-1747-04
通讯作者	Xiang Qian-lan(xiangqianlan692@sohu.com)
英文摘要	Studying Au-O bond can provide an insight into the rapidly expanding field of gold chemistry. AuO is the simplest model containing Au-O bond. So, it is of great scientific significance to study the electronic structure of gold oxide molecule. Laser induced fluorescence spectroscopy is an effective means to study molecular structures and chemical bonds. In this paper laser ablation combined with ultrasonic jet technology was used to produce gas phase gold monoxide, and the electronic spectrum of the gaseous gold monoxide molecule (AuO) had been investigated in the range of 16 500 similar to 18 500 cm(-1) using laser induced fluorescence spectroscopy. The ablation laser (Leibao Dawa-300) sputtered pure gold target (99. 9%) which was controlled by a vacuum motor for rotation to produce Au atoms. The pure high pressure O-2 was injected into the vacuum chamber through a molecular beam pulse valve (Parker, General Valve, series 9) to react with the gold vapor to form AuO. A dye laser (Sirah, Cobra-Stretch) was pumped by Nd YAG laser (Continuum Surelite II-10) and the output of the pulsed dye laser (linewidth 0.05 cm(-1), pulse duration 5 ns, energy 0.1 mJ . pulse(-1)) was introduced into the vacuum chamber to excite AuO. The fluorescence from the excited AuO radical was imaged through appropriate low-pass cutoff filters into a photomultiplier tube (PMT) detector (EMI, ET9202QB). Pulsed analog signals from the PMT were converted into digital signals by a fast digital oscilloscope card (Picoscope 6404C, 500 MHz, 14 bits) and recorded by a data acquisition program based on LabVIEW of our own. The detected bands with band heads at 17 152. 94, 17 552. 17, 17 932. 78 and 18 291. 62 cm(-1) were attributed to b(4)Pi(3/2) (v'=0 1, 2, 3) - X-2 Pi(3/2) (v '' = 0) transitions. The molecular constants including rotational constants and centrifugal distortion constants were determined by analyzing the rotationally resolved spectra. The possible electronic configuration of the excited state is 1 sigma(2)1 pi(4)1 delta(4)2 sigma(1)2 pi(3)3 sigma*(1).
WOS关键词	ABSORPTION SPECTROSCOPY ; IDENTIFICATION
WOS研究方向	Spectroscopy
语种	英语
出版者	OFFICE SPECTROSCOPY & SPECTRAL ANALYSIS
WOS记录号	WOS:000545315300015
内容类型	期刊论文
源URL	[http://119.78.100.186/handle/113462/140332]
专题	中国科学院近代物理研究所
通讯作者	Xiang Qian-lan
作者单位	1.Chinese Acad Sci, Ion Beam & Opt Phys Joint Lab Xianyang Normal Uni, Xianyang 712000, Peoples R China 2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Peoples R China 3.Xi An Jiao Tong Univ, Dept Appl Phys, Xian 710049, Peoples R China
推荐引用方式 GB/T 7714	Xiang Qian-lan,Yang Jie,Hua Xue-xia,et al. The Laser-Induced Fluorescence Spectrum of Gold Monoxide (AuO) : b(4)Pi(3/2) - X-2 Pi(3/2) Transition[J]. SPECTROSCOPY AND SPECTRAL ANALYSIS,2020,40(6):1747-1750.
APA	Xiang Qian-lan,Yang Jie,Hua Xue-xia,Zhang Ji-cai,&Ma Xin-wen.(2020).The Laser-Induced Fluorescence Spectrum of Gold Monoxide (AuO) : b(4)Pi(3/2) - X-2 Pi(3/2) Transition.SPECTROSCOPY AND SPECTRAL ANALYSIS,40(6),1747-1750.
MLA	Xiang Qian-lan,et al."The Laser-Induced Fluorescence Spectrum of Gold Monoxide (AuO) : b(4)Pi(3/2) - X-2 Pi(3/2) Transition".SPECTROSCOPY AND SPECTRAL ANALYSIS 40.6(2020):1747-1750.