Investigation of catalytic activity of ZnAl2O4 and ZnMn2O4 nanoparticles in the thermal decomposition of ammonium perchlorate

Juibari, Nafise Modanlou; Eslami, Abbas

doi:10.1007/s10973-016-5906-8

Cited by 38 publications

(17 citation statements)

References 48 publications

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“…Also, this material has been used as a supercapacitor [25,26,27,28,29] and thermistor [30] due to its structural, physical, and chemical properties. It has been reported that zinc manganite shows strong catalytic activity [31,32,33,34,35]; therefore, this material could perform well as a gas sensor. To date, ZnMn 2 O 4 has been little studied in the gas sensors field.…”

Section: Introductionmentioning

confidence: 99%

“…In regard to the synthesis of nanometric ZnMn 2 O 4 , several routes have been commonly employed: polymer-pyrolysis [23], solid-state reaction [24], sol-gel [31], co-precipitation [33], hydrothermal [29,40], and solvothermal methods [41]. Reports on the synthesis of ZnMn 2 O 4 nanoparticles using a microwave-assisted route are still limited.…”

Section: Introductionmentioning

confidence: 99%

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Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

Morán-Lázaro

Guillén-López

López–Urías

et al. 2018

Sensors

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Spinel-type ZnMn2O4 nanoparticles were synthesized via a simple and inexpensive microwave-assisted colloidal route. Structural studies by X-ray diffraction showed that a spinel crystal phase of ZnMn2O4 was obtained at a calcination temperature of 500 °C, which was confirmed by Raman and UV-vis characterizations. Spinel-type ZnMn2O4 nanoparticles with a size of 41 nm were identified by transmission electron microscopy. Pellet-type sensors were fabricated using ZnMn2O4 nanoparticles as sensing material. Sensing measurements were performed by exposing the sensor to different concentrations of propane or carbon monoxide at temperatures in the range from 100 to 300 °C. Measurements performed at an operating temperature of 300 °C revealed a good response to 500 ppm of propane and 300 ppm of carbon monoxide. Hence, ZnMn2O4 nanoparticles possess a promising potential in the gas sensors field.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

Morán-Lázaro

Guillén-López

López–Urías

et al. 2018

Sensors

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“…The peak at around 1630 cm À1 and also three peaks in the 670 cm À1 -500 cm À1 region are present in all synthesized photocatalyst samples and are assigned to the HÀOÀH bending vibration mode of adsorbed water molecules, AlÀO symmetric stretching vibration, AlÀO symmetric bending vibration, and AlÀO asymmetric stretching vibration, respectively. These triple peaks are representative of the normal spinel structure, with octahedrally coordinated aluminum centers [9,13,[30][31][32]. The X-ray powder diffraction technique was used for phase identification of graphene oxide, ZnAl 2 O 4 NPs, and ZnAl 2 O 4 /reduced graphene oxide nanocomposites.…”

Section: Resultsmentioning

confidence: 99%

“…ZnAl 2 O 4 was synthesized by many different methods such as ceramic, solution phase, co-precip-itation, sol-gel, solvothermal, hydrothermal, microwave assisted hydrothermal, polymeric precursors method, combustion, template-assisted synthesis and sonochemical methods [9][10][11][12][13][14][15][16][17][18][19][20][21].…”

Section: Introductionmentioning

confidence: 99%

High surface area ZnAl₂O₄/reduced graphene oxide nanocomposites with enhanced photocatalytic performance

Miroliaee

Hoshdari

Chahaki

et al. 2019

Materialwissenschaft Werkst

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In this study, the fabrication of ZnAl2O4/reduced graphene oxide nanocomposites is reported for the initial time. Two nanocomposites, ZnAl2O4/reduced graphene oxide‐50 and ZnAl2O4/reduced graphene oxide‐100, with different reduced graphene oxide contents (50 mg/ml and 100 mg/ml initial graphene oxide concentration respectively) were synthesized via a hydrothermal route; and characterized with the aid of suitable characterization and analytical techniques. For comparative purposes, two pure ZnAl2O4 samples were fabricated by citrate sol‐gel and urea combustion methods. The photocatalytic activity of the synthesized pure nanospinels and nanocomposites was studied for the degradation of rhodamine B dye under ultraviolet–A light irradiation. Compared to pure ZnAl2O4 nanoparticles, ZnAl2O4/reduced graphene oxide nanocomposites exhibited superior photocatalytic activity. The highest efficiency was observed for ZnAl2O4/reduced graphene oxide‐100 composite, where; full degradation of rhodamine B occurred after 45 min. The enhancements of the photocatalytic performance of ZnAl2O4/reduced graphene oxide composites were mainly attributed to unique electronic and surface properties of reduced graphene oxide.

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“…The value of pre‐exponential factor is an important parameter for investigation of catalytic activities of additives. Often, much more value of LnA describes catalytic activity of catalyst in a better way . The value of LnA for AP@NP‐PANi is about 42% higher in comparison with that of pure AP.…”

Section: Resultsmentioning

confidence: 99%

Synthesis of Nano‐Porous Polyaniline and Investigation its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

2018

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Ammonium perchlorate (AP) is one of the most well‐known oxidizers of solid propellant. In this article, an intrinsic conductive polymer (ICP) is introduced as a green catalyst for thermal decomposition of AP. Activation energy of samples was defined by Kissinger method. A MATLAB code and Complementary method were used to derive the best model of samples decomposition reaction. It was revealed that application of nano‐porous polyaniline (NP‐PANi) changed the model of decomposition reaction of AP from(-ln1-α)14 to ()1-α-12 ; as a drastic raise was observed in the maximum reaction rate, in the range of 264‐430%, at different heating rates. reaction rate constant and pre‐exponential factor were also defined. Characteristic temperatures (TSADT and Tb) have been also determined in order to evaluate the thermal stability of process. Thermodynamic parameters have been also calculated, as the results confirmed the proper catalytic activity of NP‐PANI in AP decomposition process. The obtained results would be helpful for further application of ICPs as a noble family of green catalysts used for decomposition of energetic material.

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Investigation of catalytic activity of ZnAl2O4 and ZnMn2O4 nanoparticles in the thermal decomposition of ammonium perchlorate

Cited by 38 publications

References 48 publications

Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

High surface area ZnAl₂O₄/reduced graphene oxide nanocomposites with enhanced photocatalytic performance

Synthesis of Nano‐Porous Polyaniline and Investigation its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

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Investigation of catalytic activity of ZnAl2O4 and ZnMn2O4 nanoparticles in the thermal decomposition of ammonium perchlorate

Cited by 38 publications

References 48 publications

Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

Synthesis of ZnMn2O4 Nanoparticles by a Microwave-Assisted Colloidal Method and their Evaluation as a Gas Sensor of Propane and Carbon Monoxide

High surface area ZnAl2O4/reduced graphene oxide nanocomposites with enhanced photocatalytic performance

Synthesis of Nano‐Porous Polyaniline and Investigation its Catalytic Effect on the Thermal Decomposition of Ammonium Perchlorate

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High surface area ZnAl₂O₄/reduced graphene oxide nanocomposites with enhanced photocatalytic performance