Sensitivity gains in chemosensing by lasing action in organic polymers

Nature

Volumn 434, Issue 7035, 2005, Pages 876-879

  Rose, Almée ^a   Zhu, Zhengguo ^a   Madigan, Conor F ^b   Swager, Timothy M ^a   Bulović, Vladimir ^b  

^a MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^b NONE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

BIOSENSORS; CHEMICAL SENSORS; EXCITONS; SPONTANEOUS EMISSION; THIN FILMS; TOLUENE;

LASING MATERIALS; NON-RADIATIVE DEACTIVATION; OPTICAL DAMAGE THRESHOLD; TRINITROTOLUENE (TNT);

SEMICONDUCTING POLYMERS;

2,4 DINITROTOLUENE; AROMATIC NITRO COMPOUND; BENZENE; CHEMICAL COMPOUND; EXPLOSIVE; NAPHTHALENE DERIVATIVE; ORGANIC COMPOUND; POLYMER; TRINITROTOLUENE;

POLYMER;

ANALYTIC METHOD; ARTICLE; ATMOSPHERE; BIOSENSOR; CHEMOSENSITIVITY; DEVICE; FILM; MATERIAL STATE; NONLINEAR SYSTEM; NONPHOTOCHEMICAL QUENCHING; OPTICAL ROTATION; PARAMETER; PRIORITY JOURNAL; QUANTUM YIELD; SEMICONDUCTOR; SENSITIVITY AND SPECIFICITY; THICKNESS; VAPOR;

EID: 17644363642     PISSN: 00280836     EISSN: None     Source Type: Journal    
DOI: 10.1038/nature03438     Document Type: Article

References (18)

1. Zhou, Q. & Swager, T. M. Methodology for enhancing the sensitivity of fluorescent chemosensors: energy migration in conjugated polymers. J. Am. Chem. Soc. 117, 7017-7018 (1995).
2. Swager, T. M. The molecular wire approach to sensory signal amplification. Acc. Chem. Res. 31, 201-207 (1998).
3. McQuade, D. T., Pullen, A. E. & Swager, T. M. Conjugated polymer-based sensory materials. Chem. Rev. 100, 2537-2574 (2000).
4. Tesster, N., Denton, G. J. & Friend, R. H. Lasing from conjugated-polymer microcavities. Nature 382, 695-697 (1996).
5. Yang, J.-S, & Swager, T. M. Porous shape persistent fluorescent polymer films: An approach to TNT sensory materials. J. Am. Chem. Soc. 120, 5321-5322 (1998).
6. Gumming, C. J. et al. Using novel fluorescent polymers as sensory materials for above-ground sensing of chemical signature compounds emanating from buried landmines. IEEE Trans. Geosci. Remote Sens. 39, 1119-1128 (2001).
7. Rose, A., Lugmair, C. G. & Swager, T. M. Excited-state lifetime modulation in triphenylene-based conjugated polymers. J. Am. Chem. Soc. 123, 11298-11299 (2001).
8. Zahn, S. & Swager, T. M. Three-dimensional electronic delocalization in chiral conjugated polymers. Angew. Chem. Int. Edn Engl. 41, 4225-4230 (2002).
9. Kozlov, V. G., Bulović, V., Burrows, P. E. & Forrest, S. F. Laser action in organic semiconductor waveguide and double heterostructure devices. Nature 389, 362-365 (1997).
10. Bulović, V., Kozlov, V. G., Khalfin, V. B. & Forrest, S. R. Transform-limited, narrow-linewidth lasing action in organic semiconductor microcavities. Science 279, 553-555 (1998).
11. Scherf, U., Riechel, S., Lemmer, U. & Mahrt, R. F. Conjugated polymers: lasing and stimulated emission. Curr. Opin. Solid State Mater. Sci. 5, 143-154 (2001).
12. 60 heterojunction photovoltaic cell. Appl. Phys. Lett. 68, 3120-3122 (1996).
13. Hamer, P. J. et al. Optical studies of chemical doping achieved by ion implantation in poly(p-phenylene vinylene). Phil. Mag. B 73, 367-382 (1996).
14. Levitsky, I. A., Kim, J. & Swager, T. M. Energy migration in a poly(phenylene ethynylene): determination of interpolymer transport in anisotropic Langmuir-Blodgett films. J. Am. Chem. Soc. 121, 1466-1472 (1999).
15. Kogelnik, H. & Shank, C. V. Stimulated emission in a periodic structure. Appl. Phys. Lett. 18, 152-154 (1971).
16. Heliotis, G. et al. Emission characteristics and performance comparison of polyfluorene lasers with one- and two-dimensional distributed feedback. Adv. Funct. Mater. 14, 91-97 (2004).
17. Berggren, M., Dodabalapur, A., Slusher, R. E. & Bao, Z. Light amplification in organic thin films using cascade energy transfer. Nature 389, 466-469 (1997).
18. Yang, Y.-S. & Swager, T. M. Fluorescent porous polymer films as TNT chemosensors: electronic and structural effects. J. Am. Chem. Soc. 120, 11864-11873 (1998).