Sensitive and selective acetone sensor based on its cataluminescence from nano-La2O3 surface

Tang, Li; Li, Yaming; Xu, Kailai; Hou, Xiandeng; Lv, Yi

doi:10.1016/j.snb.2008.01.031

Cited by 86 publications

(36 citation statements)

References 32 publications

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“…Lanthanum oxycarbonate (La 2 O 2 CO 3 ) is of considerable interest because of the impressive activity in various lanthanum-based catalysts [15][16][17]. Among various lanthanum-based materials, lanthanum oxide (La 2 O 3 ) is particularly interesting material because it has several attractive properties for applications and is currently used as high k gate dielectric materials [18], optical filters [19], and catalysts [20,21]. Most of these advanced functions depend strongly on the compositions and structures, which are sensitive to the bonding states of rare earth atoms or ions.…”

Section: Introductionmentioning

confidence: 99%

Synthesis, characterization, shape-preserved transformation, and optical properties of La(OH)3, La2O2CO3, and La2O3 nanorods

Wang

2011

Journal of Alloys and Compounds

157

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Section: Introductionmentioning

confidence: 99%

Synthesis, characterization, shape-preserved transformation, and optical properties of La(OH)3, La2O2CO3, and La2O3 nanorods

Wang

2011

Journal of Alloys and Compounds

157

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“…It is an effective method for separating components in complex mixtures [10]. It is the use of different substances in the body is composed of a fixed phase and flow method.…”

Section: The Principle Of Gas Chromatographic Separation Technologymentioning

confidence: 99%

Precursor Gas Sensor Detection and Recognition Based On Metrology Method

Li¹,

Li²,

Yuan³

2015

IJGDC

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In the detection of drugs in the field, because the inclusion complex environment exists, the obtained signal often has a poor signal to noise ratio, and the intrinsic characteristics of the target material is often drowned signal formed in the package material in the background. According to the obtained experimental data, proposed one kind based on the principal component analysis and support vector machine algorithm of gas chromatography identification sensor signal processing and recognition; the method used for detection and identification of the air in the precursor gases combine tester self-developed, obtained very good result. This paper designed and developed a chromatographic separation and sensor based on the combination of gas detection instruments, to multi gas detection instrument. On separation characteristics using chromatography, to solve the traditional single common precursor gas detection. The use of a preprocessing based on domestication, principal component analysis for feature extraction method of all kinds of gas data. This effectively avoids the sensor substrate fluctuation and gas concentration effects on body recognition, and reduces the gas sample feature vector dimension.

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“…The acetone vapor and the selected catalyst would have a proper contact time with a proper flow rate [21]. Therefore, the effect of carrier gas flow rate on the CTL intensity was examined in the range of 150-750 mL min −1 (Fig.…”

Section: Flow Rate Of Carrier Gasmentioning

confidence: 99%

“…In recent years, the applications of nanomaterial-based CTL to the construction of gas sensors for a variety of volatile organic compounds (VOCs) have attracted considerable attention owing to their advantages of stable intensity, low-cost devices, high sensitivity, and rapid response [19][20][21][22][23]. To the best of our knowledge, there is only one report on CTL determination for acetone in human plasma samples; however, it suffered low selectivity as it was also sensitive to other compounds besides acetone (e.g., methanol, ethanol and formaldehyde) [24].…”

Section: Introductionmentioning

confidence: 99%

A novel acetone sensor utilizing cataluminescence on layered double oxide

Zhang

Rong

Chen

et al. 2014

Sensors and Actuators B: Chemical

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a b s t r a c tThis work developed a facile and effective sensor for the determination of acetone, the diabetic biomarker, which was based on cataluminescence (CTL) emission on the surface of layered double oxide (LDO) that is a layered nanomaterial with easy preparation and environmental friendliness. Under the optimized conditions, the linear range of the CTL intensity versus concentration of acetone was 0.1-16 mM with the detection limit of 0.02 mM (S/N = 3). The relative standard deviation (RSD) for 50 repeated measurements of 1.0 mM acetone was 3.6%. Interestingly, there was no or weak response to seven common volatile organic compounds (VOCs), including ethanol, heptanal, ethyl acetate, methanol, formaldehyde, acetic acid and toluene. Furthermore, the proposed CTL sensor was successfully used for sensing acetone in human plasma samples of diabetes patients with a satisfactory recovery. The results demonstrated that the proposed CTL sensor had a promising capability for the sensing of acetone in diabetes diagnosis. The possible CTL mechanism from the oxidation of acetone on the surface of LDO was also discussed.

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Sensitive and selective acetone sensor based on its cataluminescence from nano-La2O3 surface

Cited by 86 publications

References 32 publications

Synthesis, characterization, shape-preserved transformation, and optical properties of La(OH)3, La2O2CO3, and La2O3 nanorods

Synthesis, characterization, shape-preserved transformation, and optical properties of La(OH)3, La2O2CO3, and La2O3 nanorods

Precursor Gas Sensor Detection and Recognition Based On Metrology Method

A novel acetone sensor utilizing cataluminescence on layered double oxide

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