Details
| Original language | English |
|---|---|
| Title of host publication | Photocatalytic Hydrogen Production for Sustainable Energy |
| Publisher | Wiley-Blackwell |
| Chapter | 3 |
| Pages | 35-61 |
| Number of pages | 27 |
| ISBN (electronic) | 9783527835423 |
| ISBN (print) | 9783527349838 |
| Publication status | Published - 30 May 2023 |
Abstract
Understanding the mechanisms that underlie photocatalytic hydrogen evolution requires the combination of different approaches. In this chapter, we delve into isotopic substitution and labeling as one of such approaches. It allows to pinpoint the route of individual atoms (e.g. O in TiO 2 and their incorporation into CO 2 ), to evaluate rate-determining steps in reaction mechanisms (and identify bottlenecks), and to apply techniques that would otherwise be unusable (e.g. 17 O electron spin resonance). We present a set of interesting literature examples in which the labeling was performed either in the material itself, in the solvent, or in the substrate molecules. It is our hope that this chapter will inspire researchers to find new applications of isotopic substitution and that it will bring this powerful tool to more widespread use.
Keywords
- Heavy water, Heterogeneous photocatalysis, Hydrogen evolution, Isotopic substitution, Isotopologues, Kinetic isotope effect, Mechanistic studies, Photoreforming, Proton exchange, Sacrificial electron donors
ASJC Scopus subject areas
Sustainable Development Goals
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Photocatalytic Hydrogen Production for Sustainable Energy. Wiley-Blackwell, 2023. p. 35-61.
Research output: Chapter in book/report/conference proceeding › Contribution to book/anthology › Research › peer review
}
TY - CHAP
T1 - Isotopic Substitution to Unravel the Mechanisms of Photocatalytic Hydrogen Production
AU - Curti, Mariano
AU - Alsalka, Yamen
AU - Al-Madanat, Osama
AU - Bahnemann, Detlef W.
PY - 2023/5/30
Y1 - 2023/5/30
N2 - Understanding the mechanisms that underlie photocatalytic hydrogen evolution requires the combination of different approaches. In this chapter, we delve into isotopic substitution and labeling as one of such approaches. It allows to pinpoint the route of individual atoms (e.g. O in TiO 2 and their incorporation into CO 2 ), to evaluate rate-determining steps in reaction mechanisms (and identify bottlenecks), and to apply techniques that would otherwise be unusable (e.g. 17 O electron spin resonance). We present a set of interesting literature examples in which the labeling was performed either in the material itself, in the solvent, or in the substrate molecules. It is our hope that this chapter will inspire researchers to find new applications of isotopic substitution and that it will bring this powerful tool to more widespread use.
AB - Understanding the mechanisms that underlie photocatalytic hydrogen evolution requires the combination of different approaches. In this chapter, we delve into isotopic substitution and labeling as one of such approaches. It allows to pinpoint the route of individual atoms (e.g. O in TiO 2 and their incorporation into CO 2 ), to evaluate rate-determining steps in reaction mechanisms (and identify bottlenecks), and to apply techniques that would otherwise be unusable (e.g. 17 O electron spin resonance). We present a set of interesting literature examples in which the labeling was performed either in the material itself, in the solvent, or in the substrate molecules. It is our hope that this chapter will inspire researchers to find new applications of isotopic substitution and that it will bring this powerful tool to more widespread use.
KW - Heavy water
KW - Heterogeneous photocatalysis
KW - Hydrogen evolution
KW - Isotopic substitution
KW - Isotopologues
KW - Kinetic isotope effect
KW - Mechanistic studies
KW - Photoreforming
KW - Proton exchange
KW - Sacrificial electron donors
UR - http://www.scopus.com/inward/record.url?scp=85160412241&partnerID=8YFLogxK
U2 - 10.1002/9783527835423.ch3
DO - 10.1002/9783527835423.ch3
M3 - Contribution to book/anthology
AN - SCOPUS:85160412241
SN - 9783527349838
SP - 35
EP - 61
BT - Photocatalytic Hydrogen Production for Sustainable Energy
PB - Wiley-Blackwell
ER -