Ionic Liquid-Induced Local Charge Compensation: Effects on Back Electron-Transfer Rates in Dye-Sensitized TiO2Thin Films

2016 ◽  
Vol 120 (36) ◽  
pp. 20016-20023 ◽  
Author(s):  
Valeria Saavedra Becerril ◽  
Daniele Franchi ◽  
Maria Abrahamsson
Keyword(s):  
Electron Transfer ◽  
Ionic Liquid ◽  
Charge Compensation ◽  
Transfer Rates ◽  
Dye Sensitized ◽  
Local Charge ◽  
Back Electron Transfer ◽  
Local Charge Compensation

A key discovery at the TiO2/dye/electrolyte interface: slow local charge compensation and a reversible electric field

2015 ◽  
Vol 17 (26) ◽  
pp. 16744-16751 ◽  
Author(s):  
Wenxing Yang ◽  
Meysam Pazoki ◽  
Anna I. K. Eriksson ◽  
Yan Hao ◽  
Gerrit Boschloo
Keyword(s):  
Solar Cells ◽  
Electric Field ◽  
Absorption Spectroscopy ◽  
Dye Sensitized Solar Cells ◽  
Charge Compensation ◽  
Dye Sensitized ◽  
Local Charge ◽  
Surface Electric Field ◽  
Sensitized Solar Cells ◽  
Local Charge Compensation

Photo-induced absorption spectroscopy on dye-sensitized solar cells reveals reversible electron-induced cation adsorption at the TiO2 surface, resulting in changes of the surface electric field.

A polymer and graphene layer to increase dye regeneration and suppress back electron transfer in dye sensitized solar cells

2017 ◽  
Vol 53 (49) ◽  
pp. 6629-6632 ◽  
Author(s):  
Vediappan Sudhakar ◽  
Arulraj Arulkashmir ◽  
Kothandam Krishnamoorthy
Keyword(s):  
Electron Transfer ◽  
Solar Cells ◽  
Graphene Layer ◽  
Dye Sensitized Solar Cells ◽  
Blocking Layer ◽  
Dye Sensitized ◽  
Back Electron Transfer ◽  
Dye Regeneration ◽  
Sensitized Solar Cells

A polymer–graphene blocking layer decreases back electron transfer and increases dye regeneration that improved the DSSC efficiency to 10.4%.

Colouration, impurities and non-local charge-compensation in ZnWO4

1993 ◽  
Vol 88 (8) ◽  
pp. 619-621 ◽  
Author(s):  
A. Watterich ◽  
O.R. Gilliam ◽  
L.A. Kappers
Keyword(s):  
Charge Compensation ◽  
Local Charge ◽  
Non Local ◽  
Local Charge Compensation

Advantages of a Local Charge Compensation System for FIB/SEM Applications on Insulating Materials

2009 ◽  
Vol 15 (S2) ◽  
pp. 332-333
Author(s):  
H Schulz ◽  
U Zeile ◽  
JP Stodolka ◽  
D Kraft
Keyword(s):  
Charge Compensation ◽  
Compensation System ◽  
Insulating Materials ◽  
Local Charge ◽  
Local Charge Compensation

Extended abstract of a paper presented at Microscopy and Microanalysis 2009 in Richmond, Virginia, USA, July 26 – July 30, 2009

Dramatic Effects of Ionic Liquid on Platinum Electrode Surface and Electron-Transfer Rates ofmeso-Tetraphenylporphyrins

2006 ◽  
Vol 18 (12) ◽  
pp. 1227-1229 ◽  
Author(s):  
Afsaneh Safavi ◽  
Zarangiz Movahedi ◽  
Daryush Mohajer ◽  
Norouz Maleki
Keyword(s):  
Electron Transfer ◽  
Ionic Liquid ◽  
Electrode Surface ◽  
Platinum Electrode ◽  
Transfer Rates

Photovoltaic performances of type-II dye-sensitized solar cells based on catechol dye sensitizers: retardation of back-electron transfer by PET (photo-induced electron transfer)

2017 ◽  
Vol 1 (11) ◽  
pp. 2243-2255 ◽  
Author(s):  
Yousuke Ooyama ◽  
Kosuke Yamaji ◽  
Joji Ohshita
Keyword(s):  
Electron Transfer ◽  
Solar Cells ◽  
Transfer Rate ◽  
Dye Sensitized Solar Cells ◽  
Type Ii ◽  
Electron Transfer Rate ◽  
Dye Sensitized ◽  
Back Electron Transfer ◽  
Photo Induced Electron Transfer ◽  
Sensitized Solar Cells

Catechol dyes (CAT-PET) possessing PET (photo-induced electron transfer) characteristics, which make it possible to retard the back-electron transfer rate, are an efficient dye sensitizer for type-II DSSCs.

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