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Double Jahn–Teller Distortion in AuGe Complexes Leading to a Dual Blue–Orange Emission

Double Jahn–Teller Distortion in AuGe Complexes Leading to a Dual Blue–Orange Emission DOI:10.1002/cplu.201500522 Cover Profile Double Jahn–Teller Distortion in AuGe Complexes Leading to aDual Blue–Orange Emission Olli Lehtonen DageSundholm Jose Lûpez-de-Luzuriagaand his researchgroup Invited for this month’scover are collaborators from the group of Jos¦ M. Lûpez-de-Luzuriaga at Universidad de la Rioja, Spain and researchersfrom University of Helsinki,Finland.The cover pictureshows aphotograph of agold–germanium complex that has two emission modes corresponding to two independenttriplet excited states. Read the full text of the ar- ticle at 10.1002/cplu.201500337. What prompted you to investigate this topic? Acknowledgements This work was supported by D.G.I. (Ministerio de Educaciûn yCien- In spite of the huge number of gold coordination complexes there cia)/FEDER through project CTQ2013-48635-C2-2-P and Academy are few examples of compounds with gold–postransition-metal of Finland through its Computational Science Research Program bonds, also called inorganometallic complexes. These compounds LASTU/258258CTQ2013-48635-C2-2-P. should present interesting photophysical properties which some authors have foreseen as the result of acharge-transfer transition between the main-group metal and gold. This would, in principle, lead to the reduction of gold, but we observed emission instead of decomposition. Consequently,wewondered which transition was responsible for this emissive behaviour. How did the collaborationonthis project start? For the past few years our group has been working on the synthe- sis and study of the properties of complexes displaying metal– metal interactions. In order to gain further insight in these studies we started collaborative work in computational chemistry with Pro- fessor Pekka Pyykkç and his research group in Helsinki (Finland). After his retirement we have followed this fruitful collaboration with the same laboratory,which is now led by Professor Dage Sundholm. Furthermore, some of our Spanish researchers have spent some months in that laboratory;this has been very reward- ing for transferring our practical knowledge of these materials and for gaining more in-depth theoretical insight. What other topics are you working on at the moment? As our research is devoted to the study of organometallic and co- ordination compounds of Group 11 metals, our goals can be classi- fied in three main research lines. First, we are interested in the de- tailed study of the photophysical properties of complexes display- ing metallophilic interactions, particularly considering the relation- ship between the structure and the emissive properties. We are also studying the role that gold-containing compounds play in cat- alysis and are fine-tuning the gold compounds to enhance the in- trinsic characteristics of the catalyst. Our third topic is the synthesis and study of the properties of metallic nanostructures synthesized from organometallic precursors under mild conditions, which allows us to carefully control the nanoparticle size, shape and com- position for precise applications. ChemPlusChem 2016, 81,156 156 Ó2016 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemPlusChem Wiley

Double Jahn–Teller Distortion in AuGe Complexes Leading to a Dual Blue–Orange Emission

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Publisher
Wiley
Copyright
© 2016 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
2192-6506
eISSN
2192-6506
DOI
10.1002/cplu.201500522
Publisher site
See Article on Publisher Site

Abstract

DOI:10.1002/cplu.201500522 Cover Profile Double Jahn–Teller Distortion in AuGe Complexes Leading to aDual Blue–Orange Emission Olli Lehtonen DageSundholm Jose Lûpez-de-Luzuriagaand his researchgroup Invited for this month’scover are collaborators from the group of Jos¦ M. Lûpez-de-Luzuriaga at Universidad de la Rioja, Spain and researchersfrom University of Helsinki,Finland.The cover pictureshows aphotograph of agold–germanium complex that has two emission modes corresponding to two independenttriplet excited states. Read the full text of the ar- ticle at 10.1002/cplu.201500337. What prompted you to investigate this topic? Acknowledgements This work was supported by D.G.I. (Ministerio de Educaciûn yCien- In spite of the huge number of gold coordination complexes there cia)/FEDER through project CTQ2013-48635-C2-2-P and Academy are few examples of compounds with gold–postransition-metal of Finland through its Computational Science Research Program bonds, also called inorganometallic complexes. These compounds LASTU/258258CTQ2013-48635-C2-2-P. should present interesting photophysical properties which some authors have foreseen as the result of acharge-transfer transition between the main-group metal and gold. This would, in principle, lead to the reduction of gold, but we observed emission instead of decomposition. Consequently,wewondered which transition was responsible for this emissive behaviour. How did the collaborationonthis project start? For the past few years our group has been working on the synthe- sis and study of the properties of complexes displaying metal– metal interactions. In order to gain further insight in these studies we started collaborative work in computational chemistry with Pro- fessor Pekka Pyykkç and his research group in Helsinki (Finland). After his retirement we have followed this fruitful collaboration with the same laboratory,which is now led by Professor Dage Sundholm. Furthermore, some of our Spanish researchers have spent some months in that laboratory;this has been very reward- ing for transferring our practical knowledge of these materials and for gaining more in-depth theoretical insight. What other topics are you working on at the moment? As our research is devoted to the study of organometallic and co- ordination compounds of Group 11 metals, our goals can be classi- fied in three main research lines. First, we are interested in the de- tailed study of the photophysical properties of complexes display- ing metallophilic interactions, particularly considering the relation- ship between the structure and the emissive properties. We are also studying the role that gold-containing compounds play in cat- alysis and are fine-tuning the gold compounds to enhance the in- trinsic characteristics of the catalyst. Our third topic is the synthesis and study of the properties of metallic nanostructures synthesized from organometallic precursors under mild conditions, which allows us to carefully control the nanoparticle size, shape and com- position for precise applications. ChemPlusChem 2016, 81,156 156 Ó2016 Wiley-VCH Verlag GmbH &Co. KGaA, Weinheim

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ChemPlusChemWiley

Published: Feb 1, 2016

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