An optical oxygen sensor based on the photoluminescent quenching of palladium tetrakis(4-carboxyphenyl)porphyrin (PdTCPP) self-assembled membrane on an alumina plate has been developed. The luminescence intensity of PdTCPP membrane decreased with increase of oxygen concentration, indicating that this membrane is a highly sensitive device for oxygen concentration. The signal changes of this membrane are large enough to allow quantification of oxygen with good sensitivity (I-0/I-100 > 3). The response times of the sensor are 36 s on going from argon to oxygen and 148 s from oxygen to argon. This is a photostable sensing membrane that exhibits minimal decrease (ca 5%) in initial intensity after continuous irradiation for 24 h.
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King Faisal Univ, Coll Sci, Dept Chem, POB 400, Al Hasa 31982, Saudi ArabiaKing Faisal Univ, Coll Sci, Dept Chem, POB 400, Al Hasa 31982, Saudi Arabia
Alablan, Abdulrahman S.
Abdelsalam, Mamdouh E.
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King Faisal Univ, Coll Sci, Dept Chem, POB 400, Al Hasa 31982, Saudi ArabiaKing Faisal Univ, Coll Sci, Dept Chem, POB 400, Al Hasa 31982, Saudi Arabia
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Xing Chuan-Wang
Li Dong
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Li Dong
Liu Cheng-Ben
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Liu Cheng-Ben
Kong Xia
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Kong Xia
Li Xi-You
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Li Xi-You
Chen Yan-Li
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Chen Yan-Li
Jiang Jian-Zhuang
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China Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
Univ Sci & Technol Beijing, Dept Chem, Beijing Key Lab Sci & Applicat Funct Mol & Crysta, Beijing 100083, Peoples R ChinaChina Univ Petr East China, Sch Sci, Qingdao 266580, Peoples R China
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SSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Univ Madras, Dept Inorgan Chem, Chennai 600025, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Annamalai, Padmanaban
Thangavelu, Dhanasekaran
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Univ Madras, Dept Inorgan Chem, Chennai 600025, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Thangavelu, Dhanasekaran
Ramadoss, Manigandan
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SSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Univ Madras, Dept Inorgan Chem, Chennai 600025, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Ramadoss, Manigandan
Subramani, SriNandhini
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Anna Univ, Dept Chem, Chennai 600025, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Subramani, SriNandhini
Muthu, Senthil Pandian
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SSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Muthu, Senthil Pandian
Perumalsamy, Ramasamy
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SSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Perumalsamy, Ramasamy
Ranganathan, Suresh
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Univ Madras, Dept Inorgan Chem, Chennai 600025, Tamil Nadu, IndiaSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India
Ranganathan, Suresh
Hector, Valdes
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Univ Catolica Santisima Concepcion, Clean Technol Lab, Concepcion, ChileSSN Coll Engn, Res Ctr, Kalavakkam 603110, Tamil Nadu, India