Abstract
It was demonstrated that a series of copolymers consisting of p-phenylenevinylene (PV) and p-phenyleneethylene (PE) units could be prepared from a single monomer, p-(methoxymethyl)benzyl chloride, via chemical vapor deposition polymerization (CVDP) method. The composition of the copolymers can be varied by altering the monomer activation temperature; the higher the temperature, the lower the content of the PV units becomes. The sufficient incorporation of the PE units into the poly(p-phenylenevinylene) backbone caused a significant blue shift in both photoluminescence and electroluminescence. The luminescence properties of the copolymer strongly depend on the amount of the PE units incorporated. The external quantum efficiency of the electroluminescence devices having the configuration of ITO/PEDOT-PSS/copolymer/Al-Li increased as the content of the PV units increased in the copolymer, which can be ascribed to the improved confinement of excitons. For the solar cell based on PPV derivative, the effect of the PCBM concentration on the performance of the solar cell is investigated. The results show that there is no interaction between the MEH-PPV and PCBM phase and the photoluminescence of MEH-PPV is quenched by the incorporation of PCBM. With increasing PCBM concentration, the short circuit current density and the overall energy conversion efficiency of the solar cell have been strongly improved.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
