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KINETIC AND SPECTROSCOPIC STUDIES OF SINGLET MOLECULAR OXYGEN

Objective


Research has been carried out on the chemical and physicochemical properties of singlet molecular oxygen, in view of its potential application as an energy carrier in the gas phase, in solutions, and even in solid state.

Projects have included the following: relative quantum yields of the first excited state from the ultraviolet photolysis of ozone; transition probabilities; relaxation of states of the solid form; energy transfer of vibrationally excited molecular oxygen in rare gas matrices; lifetime measurements of the singlet states as a function of pressure; nearest neighbour orientation in oxygen cryocrystals; spectroscopic and collisional processes in the gas phase.
It is proposed, by the five laboratories which comprise
the "European Study Group for Singlet Molecular Oxygen", to measure rates of energy transfer from and to both states of singlet oxygen (a1 delta g) and (b1 epsilon +g) in the condensed and gaseous phases. Spectroscopic studies will also be carried out to measure the "dimol" transitions, collision enhanced spactra, enhancements of transition probabilities in solid matrices, and to undertake REMI studies of upper states.

Funding Scheme

CSC - Cost-sharing contracts

Coordinator

RHEINISCHE FRIEDRICH-WILHELMS-UNIVERSITAET BONN
Address
Regina Pacis Weg 3
Bonn
Germany

Participants (4)

BERGISCHE UNIVERSITAET GESAMTHOCHSCHULE WUPPERTAL
Germany
Address
Gauss Strasse 20
42097 Wuppertal
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE
France
Address
Bètiment 210 - Université Paris-sud
91405 Gometz La Ville
THE CHANCELLOR, MASTERS AND SCHOLARS OF THE UNIVERSITY OF OXFORD
United Kingdom
Address
University Offices, Wellington Square
Oxford
UNIVERSITAET REGENSBURG
Germany
Address
Universitaetsstrasse 31
Regensburg