Improvement of amplified spontaneous emission performance by doping tris(8-hydroxyquinoline) aluminum (Alq3) in dye-doped polymer thin films

Wu Lu; Han You; Junfeng Fang; Ma Dongge

doi:10.1364/AO.46.002320

Improvement of amplified spontaneous emission performance by doping tris(8-hydroxyquinoline) aluminum (Alq₃) in dye-doped polymer thin films

Wu Lu^*
, Han You
, Junfeng Fang
, Ma Dongge

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

A well-known red fluorescent dye 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7- tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) was codoped with an electron transport organic molecule tris(8-hydroxyquinoline) aluminum (Alq₃) in a host matrix of polystyrene (PS), and the amplified spontaneous emission (ASE) was studied by optically pumping. It was found that the ASE performance was significantly improved by the introduction of Alq₃. The Alq ₃:DCJTB:PS blending thin films showed a low threshold (2.4 μJ/pulse) and a high net gain coefficient (109.95 cm^-1) compared with the pure DCJTB:PS system (threshold of 15.2 μJ/pulse and gain of 35.94 cm^-1). The improvement of the ASE performance was considered to be attributable to the effective Foster energy transfer from Alq₃ to DCJTB. Our results demonstrate that the Alq₃:DCJTB could be a promising candidate as gain medium for red organic diode lasers.

Original language	English
Pages (from-to)	2320-2324
Number of pages	5
Journal	Applied Optics
Volume	46
Issue number	12
DOIs	https://doi.org/10.1364/AO.46.002320
State	Published - 20 Apr 2007
Externally published	Yes

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@article{c34cebbaa0584e30bc47dd62e475c27a,

title = "Improvement of amplified spontaneous emission performance by doping tris(8-hydroxyquinoline) aluminum (Alq3) in dye-doped polymer thin films",

abstract = "A well-known red fluorescent dye 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7- tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) was codoped with an electron transport organic molecule tris(8-hydroxyquinoline) aluminum (Alq3) in a host matrix of polystyrene (PS), and the amplified spontaneous emission (ASE) was studied by optically pumping. It was found that the ASE performance was significantly improved by the introduction of Alq3. The Alq 3:DCJTB:PS blending thin films showed a low threshold (2.4 μJ/pulse) and a high net gain coefficient (109.95 cm-1) compared with the pure DCJTB:PS system (threshold of 15.2 μJ/pulse and gain of 35.94 cm-1). The improvement of the ASE performance was considered to be attributable to the effective Foster energy transfer from Alq3 to DCJTB. Our results demonstrate that the Alq3:DCJTB could be a promising candidate as gain medium for red organic diode lasers.",

author = "Wu Lu and Han You and Junfeng Fang and Ma Dongge",

year = "2007",

month = apr,

day = "20",

doi = "10.1364/AO.46.002320",

language = "英语",

volume = "46",

pages = "2320--2324",

journal = "Applied Optics",

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publisher = "Optica Publishing Group",

number = "12",

}

TY - JOUR

T1 - Improvement of amplified spontaneous emission performance by doping tris(8-hydroxyquinoline) aluminum (Alq3) in dye-doped polymer thin films

AU - Lu, Wu

AU - You, Han

AU - Fang, Junfeng

AU - Dongge, Ma

PY - 2007/4/20

Y1 - 2007/4/20

N2 - A well-known red fluorescent dye 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7- tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) was codoped with an electron transport organic molecule tris(8-hydroxyquinoline) aluminum (Alq3) in a host matrix of polystyrene (PS), and the amplified spontaneous emission (ASE) was studied by optically pumping. It was found that the ASE performance was significantly improved by the introduction of Alq3. The Alq 3:DCJTB:PS blending thin films showed a low threshold (2.4 μJ/pulse) and a high net gain coefficient (109.95 cm-1) compared with the pure DCJTB:PS system (threshold of 15.2 μJ/pulse and gain of 35.94 cm-1). The improvement of the ASE performance was considered to be attributable to the effective Foster energy transfer from Alq3 to DCJTB. Our results demonstrate that the Alq3:DCJTB could be a promising candidate as gain medium for red organic diode lasers.

AB - A well-known red fluorescent dye 4-(dicy-anomethylene)-2-t-butyl-6(1,1,7,7- tetramethyljulolidyl-9-enyl)-4H-pyran (DCJTB) was codoped with an electron transport organic molecule tris(8-hydroxyquinoline) aluminum (Alq3) in a host matrix of polystyrene (PS), and the amplified spontaneous emission (ASE) was studied by optically pumping. It was found that the ASE performance was significantly improved by the introduction of Alq3. The Alq 3:DCJTB:PS blending thin films showed a low threshold (2.4 μJ/pulse) and a high net gain coefficient (109.95 cm-1) compared with the pure DCJTB:PS system (threshold of 15.2 μJ/pulse and gain of 35.94 cm-1). The improvement of the ASE performance was considered to be attributable to the effective Foster energy transfer from Alq3 to DCJTB. Our results demonstrate that the Alq3:DCJTB could be a promising candidate as gain medium for red organic diode lasers.

UR - https://www.scopus.com/pages/publications/34250758628

U2 - 10.1364/AO.46.002320

DO - 10.1364/AO.46.002320

M3 - 文章

AN - SCOPUS:34250758628

SN - 1559-128X

VL - 46

SP - 2320

EP - 2324

JO - Applied Optics

JF - Applied Optics

IS - 12

ER -

Improvement of amplified spontaneous emission performance by doping tris(8-hydroxyquinoline) aluminum (Alq₃) in dye-doped polymer thin films

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