1.

Record Nr.

UNINA9910337930103321

Autore

Bregnhøj Mikkel

Titolo

The Electronic Transitions of Molecular Oxygen / / by Mikkel Bregnhøj

Pubbl/distr/stampa

Cham : , : Springer International Publishing : , : Imprint : Springer, , 2019

ISBN

3-030-03183-7

Edizione

[1st ed. 2019.]

Descrizione fisica

1 online resource (xx, 128 pages)

Collana

Springer Theses, Recognizing Outstanding Ph.D. Research, , 2190-5053

Disciplina

546.72159

Soggetti

Chemistry, Physical and theoretical

Atomic structure

Molecular structure

Nanochemistry

Biophysics

Physical Chemistry

Atomic/Molecular Structure and Spectra

Biological and Medical Physics, Biophysics

Lingua di pubblicazione

Inglese

Formato

Materiale a stampa

Livello bibliografico

Monografia

Nota di contenuto

Introduction -- Instrumentation and Experimental Techniques -- Direct O2(X3Σg) à O2(b1Σg+) excitation -- Solvent Effects on the O2(a1Δg) à O2(b1Σg+) transition -- Temperature Effects on the lifetime of O2(a1Δg) -- Metal-Enhanced Singlet Oxygen Production -- Concluding Remarks.

Sommario/riassunto

This book presents the fundamentals and the state of the art of the photophysics of molecular oxygen. The author examines optical transitions between the lowest-lying electronic states in molecular oxygen and how these transitions respond to perturbation, either from an organic molecule or from the plasmon field of a metal nanoparticle. We live on a planet filled with light and oxygen. The interaction between these two components forms the basis of excited state chemistry spanning the fields of synthetic organic chemistry, materials chemistry, molecular biology, and photodynamic treatment of cancer. Still, the fundamental ways in which oxygen is affected by light is an



active subject of research and is continually being developed and rationalized. In this book, readers will learn that singlet oxygen, the excited state of oxygen that exhibits unique chemical reactivity, can be selectively made via direct optical excitation of oxygen in a sensitizer-free system. Readers will also discover that this approach can perturb living cells differently depending on the singlet oxygen “dose”.