A Nafion-based amperometric sensor utilizing Pt-Sn/C sensing electrode was developed to realize the effective detection of H2S at room temperature. We compared the morphology and gas-sensing properties of two kinds of PVC materials prepared by the sodium borohydride reduction method and the ethylene glycol method and found that the latter was significantly better. Pt-Sn/C prepared by the latter method has a uniform morphology and high catalytic activity and achieves efficient detection of H2S. The sensor could detect 0.2-100 ppm H2S linearly with a sensitivity of 0.276 mu A/ppm. More importantly, the response-recovery time to 50 ppm H2S was 10 s and 8 s, which signified a very fast rate. Furthermore, the device also exhibited superior selectivity and long-term stability. Such a device has a good application prospect because of its many advantages.
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Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Mokoena, Teboho P.
Tshabalala, Zamaswazi P.
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Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Tshabalala, Zamaswazi P.
Hillie, Kenneth T.
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Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Hillie, Kenneth T.
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Swart, Hendrik C.
Motaung, David E.
论文数: 0引用数: 0
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Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South Africa
Univ Limpopo, Dept Phys, Private Bag X1106, ZA-0727 Sovenga, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
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Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Lorencova, Lenka
Bertok, Tomas
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Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Bertok, Tomas
Filip, Jaroslav
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Tomas Bata Univ Zlin, Dept Environm Protect Engn, Vavreckova 275, Zlin 76272, Czech RepublicSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Filip, Jaroslav
Jerigova, Monika
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Comenius Univ, Dept Phys Chem, Fac Nat Sci, Bratislava 84215, Slovakia
Int Laser Ctr, Ilkovicova 3, Bratislava 84104, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Jerigova, Monika
Velic, Dusan
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机构:
Comenius Univ, Dept Phys Chem, Fac Nat Sci, Bratislava 84215, Slovakia
Int Laser Ctr, Ilkovicova 3, Bratislava 84104, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Velic, Dusan
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Kasak, Peter
Mahmoud, Khaled A.
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Hamad Bin Khalifa Univ, QEERI, Qatar Fdn, POB 34110, Doha, QatarSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Mahmoud, Khaled A.
Tkac, Jan
论文数: 0引用数: 0
h-index: 0
机构:
Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
机构:
Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Mokoena, Teboho P.
Tshabalala, Zamaswazi P.
论文数: 0引用数: 0
h-index: 0
机构:
Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Tshabalala, Zamaswazi P.
Hillie, Kenneth T.
论文数: 0引用数: 0
h-index: 0
机构:
Council Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
Hillie, Kenneth T.
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机构:
Swart, Hendrik C.
Motaung, David E.
论文数: 0引用数: 0
h-index: 0
机构:
Univ Free State, Dept Phys, ZA-9300 Bloemfontein, South Africa
Univ Limpopo, Dept Phys, Private Bag X1106, ZA-0727 Sovenga, South AfricaCouncil Sci Ind Res, Ctr Nanostruct & Adv Mat, DSI CSIR, ZA-0001 Pretoria, South Africa
机构:
Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Lorencova, Lenka
Bertok, Tomas
论文数: 0引用数: 0
h-index: 0
机构:
Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Bertok, Tomas
Filip, Jaroslav
论文数: 0引用数: 0
h-index: 0
机构:
Tomas Bata Univ Zlin, Dept Environm Protect Engn, Vavreckova 275, Zlin 76272, Czech RepublicSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Filip, Jaroslav
Jerigova, Monika
论文数: 0引用数: 0
h-index: 0
机构:
Comenius Univ, Dept Phys Chem, Fac Nat Sci, Bratislava 84215, Slovakia
Int Laser Ctr, Ilkovicova 3, Bratislava 84104, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Jerigova, Monika
Velic, Dusan
论文数: 0引用数: 0
h-index: 0
机构:
Comenius Univ, Dept Phys Chem, Fac Nat Sci, Bratislava 84215, Slovakia
Int Laser Ctr, Ilkovicova 3, Bratislava 84104, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Velic, Dusan
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h-index:
机构:
Kasak, Peter
Mahmoud, Khaled A.
论文数: 0引用数: 0
h-index: 0
机构:
Hamad Bin Khalifa Univ, QEERI, Qatar Fdn, POB 34110, Doha, QatarSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia
Mahmoud, Khaled A.
Tkac, Jan
论文数: 0引用数: 0
h-index: 0
机构:
Slovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, SlovakiaSlovak Acad Sci, Inst Chem, Dubravska Cesta 9, Bratislava 84538, Slovakia