Observation of Multiexponential Pico- to Subnanosecond Electron Injection in Optimized Dye-Sensitized Solar Cells with Visible-Pump Mid-Infrared-Probe Transient Absorption Spectroscopy

2012 ◽  
Vol 117 (1) ◽  
pp. 116-123 ◽  
Author(s):  
Mindaugas Juozapavicius ◽  
Marius Kaucikas ◽  
Jasper J. van Thor ◽  
Brian C. O’Regan
2019 ◽  
Vol 233 (9) ◽  
pp. 1247-1259
Author(s):  
Madhu Prakasam

Abstract In this work, we systematically investigate the impacts of electron-donor based on Triphenylamine (TPA). The Geometry structure, energy levels, light-harvesting ability and ultraviolet-visible absorption spectra were calculated by using Density Functional Theory (DFT) and Time-Dependent-DFT. The electron injection rate of the TPA-N(CH3)2 based dyes has 0.71 eV for high among the dye sensitizer. The First and Second order Hyperpolarizability of the 11.95 × 10−30 e.s.u and 12195.54 a.u, respectively for TPA-N(CH3)2 based dye. The calculated absorption spectra were showed in the ultra-violet visible region for power conversion region. The study reveals that the electron transfer character of TPA-N(CH3)2 based dyes can be made suitable for applications in Dye-Sensitized Solar Cells.


2013 ◽  
Vol 14 (3) ◽  
pp. 711-722 ◽  
Author(s):  
Siriporn Jungsuttiwong ◽  
Ruangchai Tarsang ◽  
Taweesak Sudyoadsuk ◽  
Vinich Promarak ◽  
Pipat Khongpracha ◽  
...  

RSC Advances ◽  
2016 ◽  
Vol 6 (88) ◽  
pp. 85125-85134 ◽  
Author(s):  
S. Akın ◽  
S. Açıkgöz ◽  
M. Gülen ◽  
C. Akyürek ◽  
S. Sönmezoğlu

In this study, nine different natural dyes having various anchoring groups were extracted from various plants and used as photo-sensitizers in DSSC applications. The photovoltaic parameters were investigated as a function of these anchoring groups.


2016 ◽  
Vol 18 (13) ◽  
pp. 8938-8944 ◽  
Author(s):  
Iulia Minda ◽  
Essraa Ahmed ◽  
Vivien Sleziona ◽  
Christoph Richter ◽  
Max Beu ◽  
...  

Charge transfer dynamics in fully operational dye sensitised solar cells as observed using ultrafast transient absorption spectroscopy.


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