scholarly journals Interfacial charge separation in Cu2O/RuOx as a visible light driven CO2 reduction catalyst

2014 ◽  
Vol 16 (13) ◽  
pp. 5922-5926 ◽  
Author(s):  
Ernest Pastor ◽  
Federico M. Pesci ◽  
Anna Reynal ◽  
Albertus D. Handoko ◽  
Mingjia Guo ◽  
...  
Keyword(s):  
Visible Light ◽  
Absorption Spectroscopy ◽  
Charge Separation ◽  
Transient Absorption ◽  
Co2 Reduction ◽  
Charge Carriers ◽  
Transient Absorption Spectroscopy ◽  
Visible Light Driven ◽  
Interfacial Charge

Transient absorption spectroscopy as a tool to monitor charge carriers in Cu2O–RuOx photocathodes for CO2 reduction.

Visible-light-driven photocatalytic CO2 reduction over ketoenamine-based covalent organic frameworks: role of the host functional groups

2021 ◽  
Author(s):  
Lianlian Peng ◽  
Shuqing Chang ◽  
Ziling Liu ◽  
Yanghe Fu ◽  
Rui Ma ◽  
...  
Keyword(s):  
Visible Light ◽  
Functional Groups ◽  
Charge Separation ◽  
Photocatalytic Performance ◽  
Co2 Reduction ◽  
Covalent Organic Frameworks ◽  
Visible Light Driven ◽  
Photogenerated Charge Separation ◽  
Electron Donating Groups

Compared to the electron-withdrawing groups, the electron-donating groups in TpBD can accelerate the photogenerated charge separation and transfer, thereby improving the photocatalytic performance for photocatalytic CO2 reduction.

EMI Series Mechanistic Investigation of a Visible Light Mediated Dehalogenation/Cyclisation Reaction using Iron(III), Iridium(III) and Ruthenium(II) Photosensitizers

2021 ◽  
Author(s):  
Akin Aydogan ◽  
Rachel Bangle ◽  
Simon De Kreijger ◽  
John Dickenson ◽  
Michael L Singleton ◽  
...  
Keyword(s):  
Steady State ◽  
Visible Light ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Time Resolved ◽  
Femtosecond Transient Absorption ◽  
Mechanistic Investigation ◽  
Femtosecond Transient Absorption Spectroscopy ◽  
Visible Light Driven ◽  
Time Resolved Infrared Spectroscopy

The mechanism of a visible light-driven dehalogenation/cyclization reaction was investigated using ruthenium(II), iridium(III) and iron(III) photosensitizers by means of steady-state photoluminescence, time-resolved infrared spectroscopy, and nanosecond/femtosecond transient absorption spectroscopy. The...

scholarly journals Acid-triggering of light-induced charge-separation in hybrid organic/inorganic molecular photoactive dyads for harnessing solar energy

2021 ◽  
Author(s):  
Elisabetta Benazzi ◽  
Joshua Karlsson ◽  
Youssef Ben M'Barek ◽  
Pavel Chabera ◽  
Sébastien Blanchard ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Solar Energy ◽  
Absorption Spectroscopy ◽  
Charge Separation ◽  
Transient Absorption ◽  
Transient Absorption Spectroscopy ◽  
Induced Charge ◽  
Covalently Linked

H+ modulated charge-transfer in photoexcited covalently linked W and Mo Keggin-bodipy conjugates is demonstrated using transient absorption spectroscopy and photoluminescence. Adding acid switches on (W) or accelerates (Mo) charge separation.

Spectroscopically tracking charge separation in polymer : fullerene blends with a three-phase morphology

2015 ◽  
Vol 8 (9) ◽  
pp. 2713-2724 ◽  
Author(s):  
Joseph K. Gallaher ◽  
Shyamal K. K. Prasad ◽  
Mohammad A. Uddin ◽  
Taehyo Kim ◽  
Jin Young Kim ◽  
...  
Keyword(s):  
Absorption Spectroscopy ◽  
Charge Separation ◽  
Transient Absorption ◽  
Phase Morphology ◽  
Transient Absorption Spectroscopy ◽  
Superior Performance ◽  
Two Phase ◽  
Pure Polymer ◽  
Three Phase ◽  
Hole Migration

Transient absorption spectroscopy reveals that the superior performance of three-versus two-phase polymer : fullerene blends is associated with hole migration from intermixed to pure polymer phases.

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