Coherent random lasing from nano-scale aggregates of hybrid molecules by enhanced near zone scattering

Leicheng Yin, Yunyun Liang, Bo Yu, Yeping Wu, Jiajun Ma, Kang Xie, Wei Zhang, Gang Zou, Zhijia Hu*, Qijin Zhang

*Corresponding author for this work

Research output: Contribution to journalArticle

Abstract

Nano-scale aggregates of hybrid molecules, such as N,N′-di-[3-(isobutyl polyhedral oligomeric silsesquioxanes)propyl] perylene diimide (DPP) which is composed of perylene diimide (PDI) as gain group and polyhedral oligomeric silsesquioxanes (POSS) as scattering group at a mole ratio of 1:2, are formed in carbon disulfide (CS2) solution within a concentration range from 3 × 10-5 M to 10-3 M. The aggregation of DPP in the solution was characterized using ultraviolet visible (UV-vis) and fluorescence spectroscopy. Under pumping of a 532 nm pulse laser, coherent random laser (RL) is produced from the aggregates in CS2 solution with a threshold of 17.4 μJ and a Q value of 2440 at a DPP concentration of 10-4 M. Enhanced near zone scattering by aggregation is thought to boost coherent RL. This research not only extends the RL system to the extremely weak scattering regime but also provides a new direction for research on nano-scale materials for lasers using molecular design.

Original languageEnglish
Pages (from-to)85538-85544
Number of pages7
JournalRSC advances
Volume6
Issue number88
Early online date22 Aug 2016
DOIs
Publication statusE-pub ahead of print - 22 Aug 2016

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Perylene
Scattering
Molecules
Lasers
Agglomeration
Carbon Disulfide
Carbon disulfide
Pumping (laser)
Ultraviolet visible spectroscopy
Fluorescence spectroscopy
Laser pulses

Cite this

Yin, L., Liang, Y., Yu, B., Wu, Y., Ma, J., Xie, K., ... Zhang, Q. (2016). Coherent random lasing from nano-scale aggregates of hybrid molecules by enhanced near zone scattering. RSC advances, 6(88), 85538-85544. https://doi.org/10.1039/c6ra10511d
Yin, Leicheng ; Liang, Yunyun ; Yu, Bo ; Wu, Yeping ; Ma, Jiajun ; Xie, Kang ; Zhang, Wei ; Zou, Gang ; Hu, Zhijia ; Zhang, Qijin. / Coherent random lasing from nano-scale aggregates of hybrid molecules by enhanced near zone scattering. In: RSC advances. 2016 ; Vol. 6, No. 88. pp. 85538-85544.
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Yin, L, Liang, Y, Yu, B, Wu, Y, Ma, J, Xie, K, Zhang, W, Zou, G, Hu, Z & Zhang, Q 2016, 'Coherent random lasing from nano-scale aggregates of hybrid molecules by enhanced near zone scattering', RSC advances, vol. 6, no. 88, pp. 85538-85544. https://doi.org/10.1039/c6ra10511d

Coherent random lasing from nano-scale aggregates of hybrid molecules by enhanced near zone scattering. / Yin, Leicheng; Liang, Yunyun; Yu, Bo; Wu, Yeping; Ma, Jiajun; Xie, Kang; Zhang, Wei; Zou, Gang; Hu, Zhijia; Zhang, Qijin.

In: RSC advances, Vol. 6, No. 88, 22.08.2016, p. 85538-85544.

Research output: Contribution to journalArticle

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AU - Yin, Leicheng

AU - Liang, Yunyun

AU - Yu, Bo

AU - Wu, Yeping

AU - Ma, Jiajun

AU - Xie, Kang

AU - Zhang, Wei

AU - Zou, Gang

AU - Hu, Zhijia

AU - Zhang, Qijin

PY - 2016/8/22

Y1 - 2016/8/22

N2 - Nano-scale aggregates of hybrid molecules, such as N,N′-di-[3-(isobutyl polyhedral oligomeric silsesquioxanes)propyl] perylene diimide (DPP) which is composed of perylene diimide (PDI) as gain group and polyhedral oligomeric silsesquioxanes (POSS) as scattering group at a mole ratio of 1:2, are formed in carbon disulfide (CS2) solution within a concentration range from 3 × 10-5 M to 10-3 M. The aggregation of DPP in the solution was characterized using ultraviolet visible (UV-vis) and fluorescence spectroscopy. Under pumping of a 532 nm pulse laser, coherent random laser (RL) is produced from the aggregates in CS2 solution with a threshold of 17.4 μJ and a Q value of 2440 at a DPP concentration of 10-4 M. Enhanced near zone scattering by aggregation is thought to boost coherent RL. This research not only extends the RL system to the extremely weak scattering regime but also provides a new direction for research on nano-scale materials for lasers using molecular design.

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