, Volume 24, Issue 4, pp 1235–1242 | Cite as

Doping effect of aminopyridine analogous in supramolecular quasi-solid polymer electrolyte for DSSCs: improvement in ionic diffusion leading to superior efficiency

  • Rohit L. Vekariya
  • Abhishek Dhar
  • Jignesh Lunagariya
Original Paper


In the present work, hydroxy butyl methyl cellulose-based quasi-solid-state polymer gel electrolyte has been prepared by incorporating I/I3 couple in ethylene carbonate and propylene carbonate. This bare electrolyte’s properties have been investigated first time by additional doping of amino pyridine analogous moieties such as pyridin-4-amine, di(pyridin-4-yl)amine, and tri(pyridin-4-yl)amine moiety. Effect on ionic conductivity, triiodide diffusion, glass transition temperature, rheology, and photovoltaic performance in dye-sensitized solar cells (DSSC) was briefly evaluated. Addition of dopant creates amorphous loops in the gel matrix, and dopant has lone pair of electrons at the N of pyridile, which attracts the Li+ species of LiI making smooth and fast diffusion of triiodides. Tg and XRD characterizations were performed to prove the immense effect on physical properties. TPA-doped electrolyte shows 4.3 mS/cm conductivity and has explored 3.67% power conversion efficiency in DSSC with N719 sensitizer. This non-volatile type of electrolyte-based DSSCs performs efficiently up 600 h in one sun illumination.


Cellulose Polymer gel electrolyte Doping of amino pyridines Dye-sensitized solar cell 



Dr. Rohit L. Vekariya is thankful to Ton Duc Thang University (TDTU-DEMASTED) for the financial support.

Compliance with ethical standards

Conflict of interest

Author declares there is no conflict of interest regarding this publication.


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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  • Rohit L. Vekariya
    • 1
    • 2
  • Abhishek Dhar
    • 3
  • Jignesh Lunagariya
    • 4
  1. 1.Department for Management of Science and Technology DevelopmentTon Duc Thang UniversityHo Chi Minh CityVietnam
  2. 2.Faculty of Applied SciencesTon Duc Thang UniversityHo Chi Minh CityVietnam
  3. 3.Department of Science & TechnologyGovernment of West BengalKolkata-64India
  4. 4.Department of Chemistry, College of Chemistry and Materials ScienceJinan UniversityGuangzhouPeople’s Republic of China

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