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Amorphous Molecular Materials for Directed Supercontinuum Generation

Dehnen, Stefanie; Schreiner, Peter R.; Chatterjee, Sangam; Volz, Kerstin; Rosemann, Nils W. 1; Pilgrim, Wolf-Christian; Mollenhauer, Doreen; Sanna, Simone
1 Lichttechnisches Institut (LTI), Karlsruher Institut für Technologie (KIT)


Molecular compounds of the general formula [(RT)4E6] (R=organic or organometallic substituent; T=C, Si, Ge, Sn; E=CH2, S, Se), hence adamantane derivatives and inorganic-organic hybrid compounds based on a heteroadamantane structure exhibit a non-linear optical response upon radiation with a continuous-wave near-infrared laser. The effect depends on the compounds’ habitus, which itself depends on the elemental composition of the cluster core, and on the nature of the organic substituents. A combination of these parameters that cause the material to be intrinsically amorphous leads to supercontinuum generation and thus to the emission of a broad spectrum, potentially appearing as white light. Notably, the emission essentially retains the driving laser's directionality. For crystalline samples, second harmonic generation is observed instead, which points to a close relationship of the optical properties and the intermolecular order. Variation of R, T, and E allows further fine-tuning of the emitted spectra. We present all studies made in regards to these effects and our overarching conclusions derived from them.

Verlagsausgabe §
DOI: 10.5445/IR/1000138048
Veröffentlicht am 28.09.2021
DOI: 10.1002/cptc.202100130
Zitationen: 8
Web of Science
Zitationen: 9
Zitationen: 8
Cover der Publikation
Zugehörige Institution(en) am KIT Lichttechnisches Institut (LTI)
Publikationstyp Zeitschriftenaufsatz
Publikationsmonat/-jahr 12.2021
Sprache Englisch
Identifikator ISSN: 2367-0932
KITopen-ID: 1000138048
Erschienen in ChemPhotoChem
Verlag Wiley-VCH Verlag
Band 5
Heft 12
Seiten 1033-1041
Vorab online veröffentlicht am 18.08.2021
Nachgewiesen in Dimensions
Web of Science
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