2006
DOI: 10.1002/anie.200600050
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Chemical Sensing with Familiar Devices

Abstract: Seeing sense: The detection of detailed absorption and emission responses caused by amines, CO, and NOx is possible using an inexpensive array of porphyrins as sensors combined with a computer screen and web camera. The computer‐screen image shows the array in the presence of triethylamine. [Zn]=[Zn(tpp)], [Fe]=[Fe(tppCl)] (tpp=5,10,15,20‐tetraphenylporphyrin), BD=2,3,17,18‐tetraethyl‐7,8,12,13‐tetramethyl‐a,c‐biladiene dihydrobromide.

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Cited by 150 publications
(84 citation statements)
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“…Since only coordinated molecules could elicit meaningful signals, to a basic array made of spots of two porphyrin complexes, ZnTPP and FeTPPCl, dispersed in a polyvinylchloride (PVC) matrix, we added a similar spot of a linear tetrapyrrole, the 2,3,17,18-tetraethyl-7,8,12,13-tetramethyl-a,c-biladiene dihydrobromide (BD), whose optical properties depends on acid-base equilibria. The developed array was able to distinguish between triethylamine, ammonia, nitric oxide, and carbon monoxide, each measured at variable concentration [59]. It is worth noting that BD is stable enough in the PVC matrix, and it can be used for chemical sensing [60].…”
Section: Optical Sensor Arraysmentioning
confidence: 99%
“…Since only coordinated molecules could elicit meaningful signals, to a basic array made of spots of two porphyrin complexes, ZnTPP and FeTPPCl, dispersed in a polyvinylchloride (PVC) matrix, we added a similar spot of a linear tetrapyrrole, the 2,3,17,18-tetraethyl-7,8,12,13-tetramethyl-a,c-biladiene dihydrobromide (BD), whose optical properties depends on acid-base equilibria. The developed array was able to distinguish between triethylamine, ammonia, nitric oxide, and carbon monoxide, each measured at variable concentration [59]. It is worth noting that BD is stable enough in the PVC matrix, and it can be used for chemical sensing [60].…”
Section: Optical Sensor Arraysmentioning
confidence: 99%
“…However, the reaction of inorganic compounds with CO is only reversible in some cases and usually under high energy supply. Better reversibility is given by metal complex dyes like 5,10,15,20-tetraphenylporphyrin iron(III) chloride or 5,10,15,20-tetraphenylporphyrin zinc(II) [5,6]. Binuclear rhodium complexes showed a fast and selective reaction towards CO [7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…Порфирины переходных 3d-металлов (3d-MPs) -среди наиболее популярных кандидатов на широкое использование в молекулярной электро-нике [2], нелинейной оптике [3], катализе [4], диа-гностике и терапии рака [5], сенсорике [6] и многих других направлениях современных технологий. Одним из наиболее простых порфиринов 3d-металлов является порфин никеля(II) NiP, электронное строение которого, согласно оптическим экспериментами [7,8] и квантово-химическим расчетам [9,10], характеризуется полностью заполненными электронными оболочками.…”
Section: Introductionunclassified