Estimation of Environmental Effects and Response Time in Gas-Phase Explosives Detection Using Photoluminescence Quenching Method

D Noh, E Oh - Polymers, 2024 - mdpi.com
Detecting the presence of explosives is important to protect human lives during military
conflicts and peacetime. Gas-phase detection of explosives can make use of the change of …

Laser-induced degradation studies of photoluminescence of PPV and CNPPV thin films

D Ghosh, GS Samal, AK Biswas, YN Mohapatra - Thin Solid Films, 2005 - Elsevier
Degradation of active polymer materials in presence of light, oxygen and moisture is known
to be the most important reason limiting the lifetime of devices fabricated using light-emitting …

Spectroscopic analysis of the structure and stability of two electrochemically synthesized poly (3-alkylthiophene) s

MCE Rodrigues, CD Bento, E Laureto… - Journal of the Serbian …, 2013 - doiserbia.nb.rs
In this work, poly (3-methylthiophene)(P3MT) and poly (3-octylthiophene)(P3OT) films were
synthesized electrochemically in non-aqueous media through the oxidation of the …

Photodegradation of emissive conjugated copolymers and oligomers containing thienopyrazine

AP Kulkarni, Y Zhu, SA Jenekhe - Macromolecules, 2008 - ACS Publications
The thieno [3, 4-b] pyrazine moiety in conjugated copolymers and model compounds
degrades upon UV irradiation in air, in both solution and the solid state. The …

Luminescence properties of poly‐(phenylene vinylene) derivatives

C Ton‐That, G Stockton, MR Phillips… - Polymer …, 2008 - Wiley Online Library
BACKGROUND: Conjugated polymers, especially those of the poly (phenylene
vinylene)(PPV) family, are promising candidates as emission material in light‐emitting …

[HTML][HTML] Laser irradiation effects on the optical properties of layer-by-layer PPV/Congo Red thin films

E Laureto, MAT da Silva, RV Fernandes, JL Duarte… - Synthetic metals, 2011 - Elsevier
In this paper we investigate the optical properties of thin films produced through the layer-by-
layer (LbL) technique with a poly (p-phenylene vinylene)(PPV) precursor and the Congo …

Effect of ambient, excitation intensity and wavelength, and chemical structure on photodegradation in polysilanes

A Sharma, M Katiyar, D Deepak, SK Shukla… - Journal of Applied …, 2007 - pubs.aip.org
The photodegradation of a copolymer based on diphenyl and methylphenyl polysilane has
been investigated by measuring the changes occurring in photoluminescence (PL) and …

Defect-assisted photoluminescence intensity enhancement in poly(-phenylene vinylene) films probed by time-resolved photoluminescence

M Anni, G Gigli, R Cingolani, YG Gobato, A Vercik… - Physical Review B, 2003 - APS
We report on picosecond time resolved photoluminescence measurements in poly (p−
phenylene vinylene)(PPV) films of thickness which exceeds the penetration depth of the …

Fabrication of blended polyphenylenevinylene nanowires by scanned electrospinning

J Kameoka, R Ilik, D Czaplewski, R Mathers… - Journal of …, 2004 - jstage.jst.go.jp
We report the fabrication of semiconductor polymeric nanowires and characterization of their
electrical conductivity. The polymeric nanowires were extruded from a blended polymer …

Unusual behaviours of photoluminescence by long-term illumination in alkoxy-substituted phenylene vinylene polymer

BN Yoon, IH Chang, SH Choi, DH Choi, MJ Cho… - Synthetic metals, 2005 - Elsevier
We have studied photo-induced effects of photoluminescence (PL) for dialkoxy phenylene
vinylene polymer (P (MHPV)) films with different thickness under irradiation of 488nm laser …