In<2>O<3>/Li<0.5>La<0.5>TiO<3> hydrogen sulfide gas sensitive composite material and preparation method and application thereof
A composite material and hydrogen sulfide gas technology, applied in the field of H2S gas sensitive materials, can solve the problems of poor selectivity, high working temperature, long response and recovery time, etc., and achieve the improvement of catalytic activity, lower working temperature, and shortened response and recovery time Effect
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0036] A kind of In 2 o 3 / Li 0.5 La 0.5 TiO 3 (LLTO) the preparation method of hydrogen sulfide gas sensitive composite material, comprises the steps:
[0037] (1) In 50ml of ethanol, add 0.005mol lanthanum nitrate (La(NO 3 ) 3 ·6H 2 O), 0.03mol citric acid monohydrate, 0.0055mol lithium nitrate (LiNO 3 ), after stirring and dissolving, slowly add 0.01mol tetrabutyl titanate, 0.06mol ethylene glycol, stir and mix for 30min, set aside;
[0038] (2) 0.6mmol of indium nitrate (In(NO 3 ) 3 .4.5H 2 O) join in the mixed solution of step (1), stir 40min to dissolve completely, obtain uniform solvothermal precursor solution;
[0039] (3) Transfer the mixed solution of step (2) into a 100 milliliter polytetrafluoroethylene-lined non-magnetic steel reaction kettle, put it into a blast drying oven at 150° C. for solvothermal reaction for 6 hours;
[0040] (4) After the reaction in step (3), the reaction kettle was cooled naturally, and then centrifuged and washed three times...
Embodiment 2
[0042] A kind of In 2 o 3 / Li 0.5 La 0.5 TiO 3 (LLTO) the preparation method of hydrogen sulfide gas sensitive composite material, comprises the steps:
[0043] (1) In 60ml of ethanol, add 0.006mol lanthanum nitrate (La(NO 3 ) 3 ·6H 2 O), 0.036mol citric acid monohydrate, 0.0065mol lithium nitrate (LiNO 3 ), after stirring and dissolving, slowly add 0.012mol tetrabutyl titanate, 0.72mol ethylene glycol, stir and mix for 40min, set aside;
[0044] (2) 0.73mmol of indium nitrate (In(NO 3 ) 3 .4.5H 2 O) join in the mixed solution of step (1), stir 40min to dissolve completely, obtain uniform solvothermal precursor solution;
[0045] (3) Transfer the mixed solution of step (2) into a non-magnetic steel reaction kettle lined with 100 milliliters of polytetrafluoroethylene, and put it into a blast drying oven at 160° C. for solvothermal reaction for 6 hours;
[0046] (4) After the reaction in step (3), the reaction kettle was cooled naturally, and then centrifuged and wa...
Embodiment 3
[0048] A kind of In 2 o 3 / Li 0.5 La 0.5 TiO 3 (LLTO) the preparation method of hydrogen sulfide gas sensitive composite material, comprises the steps:
[0049] (1) In 60ml of ethanol, add 0.008mol lanthanum nitrate (La(NO 3 ) 3 ·6H 2 O), 0.035mol citric acid monohydrate, 0.0085mol lithium nitrate (LiNO 3 ), after stirring and dissolving, slowly add 0.016mol tetrabutyl titanate, 0.07mol ethylene glycol, stir and mix for 30min, set aside;
[0050] (2) 0.8mmol of indium nitrate (In(NO 3 ) 3 .4.5H 2 O) join in the mixed solution of step (1), stir 40min to dissolve completely, obtain uniform solvothermal precursor solution;
[0051] (3) Transfer the mixed solution of step (2) into a non-magnetic steel reaction kettle lined with 100 milliliters of polytetrafluoroethylene, and put it into a blast drying oven at 170° C. for solvothermal reaction for 7 hours;
[0052] (4) After the reaction in step (3), the reaction kettle was cooled naturally, and then centrifuged and was...
PUM
Property | Measurement | Unit |
---|---|---|
Sensitivity | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com