Polyamidoamine dendrimers functionalized with electrochemiluminescent polypyridyl Ru(II) complexes

Do Nam Lee; Jung Kee Kim; Hee Sang Park; Young Moo Jun; Ra Young Hwang; Won Yong Lee; Byeong Hyo Kim

doi:10.1016/j.synthmet.2005.01.014

Polyamidoamine dendrimers functionalized with electrochemiluminescent polypyridyl Ru(II) complexes

Do Nam Lee, Jung Kee Kim, Hee Sang Park, Young Moo Jun, Ra Young Hwang, Won Yong Lee, Byeong Hyo Kim

Department of Chemistry

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

24 Citations (Scopus)

Abstract

Polyamidoamine (PAMAM) dendrimers that is surface-modified with electrochemiluminescent (ECL) polypyridyl Ru(II) complexes, Dend-4-[Ru(L) ₂(L′)] (L = bpy, o-phen; L′ = bpy-CO-, mbpy-(CH ₂)₃CO-), were synthesized through complexation of dendritic polypyridyl ligands to Ru(II) complexes to study the effect of both ligand and dendritic network on the ECL. Their electrochemical redox potentials, photoluminescence (PL) and relative ECL intensities were also studied. The ECL emissions produced by the reaction between electro-oxidized Ru³⁺ species of PAMAM dendrimers and tripropylamine as a coreactant were measured in a static system with potential cycles between 0.8 and 1.3 V or a flow injection analysis with a potential of +1.3 V and compared with that of [Ru(bpy) ₃](PF₆)₂. Dend-4-[Ru(bpy)₂(mbpy- (CH₂)₃CO-)](PF₆)₈ showed two-fold intense ECL intensity, greater than that shown by [Ru(bpy)₃](PF ₆)₂ complex. It is observed that both ligand and length of spacer connected to dendrimer affected the ECL intensity.

Original language	English
Pages (from-to)	93-100
Number of pages	8
Journal	Synthetic Metals
Volume	150
Issue number	1
DOIs	https://doi.org/10.1016/j.synthmet.2005.01.014
Publication status	Published - 2005 Apr 20

Bibliographical note

Funding Information:
This work was supported by the RRC program of MOST/Gyeonggi-do, CBMH and partly by the Korea Science and Engineering Foundation (R01-2000-00050).

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys
Materials Chemistry

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10.1016/j.synthmet.2005.01.014

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title = "Polyamidoamine dendrimers functionalized with electrochemiluminescent polypyridyl Ru(II) complexes",

abstract = "Polyamidoamine (PAMAM) dendrimers that is surface-modified with electrochemiluminescent (ECL) polypyridyl Ru(II) complexes, Dend-4-[Ru(L) 2(L′)] (L = bpy, o-phen; L′ = bpy-CO-, mbpy-(CH 2)3CO-), were synthesized through complexation of dendritic polypyridyl ligands to Ru(II) complexes to study the effect of both ligand and dendritic network on the ECL. Their electrochemical redox potentials, photoluminescence (PL) and relative ECL intensities were also studied. The ECL emissions produced by the reaction between electro-oxidized Ru3+ species of PAMAM dendrimers and tripropylamine as a coreactant were measured in a static system with potential cycles between 0.8 and 1.3 V or a flow injection analysis with a potential of +1.3 V and compared with that of [Ru(bpy) 3](PF6)2. Dend-4-[Ru(bpy)2(mbpy- (CH2)3CO-)](PF6)8 showed two-fold intense ECL intensity, greater than that shown by [Ru(bpy)3](PF 6)2 complex. It is observed that both ligand and length of spacer connected to dendrimer affected the ECL intensity.",

author = "Lee, {Do Nam} and Kim, {Jung Kee} and Park, {Hee Sang} and Jun, {Young Moo} and Hwang, {Ra Young} and Lee, {Won Yong} and Kim, {Byeong Hyo}",

note = "Funding Information: This work was supported by the RRC program of MOST/Gyeonggi-do, CBMH and partly by the Korea Science and Engineering Foundation (R01-2000-00050).",

year = "2005",

month = apr,

day = "20",

doi = "10.1016/j.synthmet.2005.01.014",

language = "English",

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T1 - Polyamidoamine dendrimers functionalized with electrochemiluminescent polypyridyl Ru(II) complexes

AU - Lee, Do Nam

AU - Kim, Jung Kee

AU - Park, Hee Sang

AU - Jun, Young Moo

AU - Hwang, Ra Young

AU - Lee, Won Yong

AU - Kim, Byeong Hyo

N1 - Funding Information: This work was supported by the RRC program of MOST/Gyeonggi-do, CBMH and partly by the Korea Science and Engineering Foundation (R01-2000-00050).

PY - 2005/4/20

Y1 - 2005/4/20

N2 - Polyamidoamine (PAMAM) dendrimers that is surface-modified with electrochemiluminescent (ECL) polypyridyl Ru(II) complexes, Dend-4-[Ru(L) 2(L′)] (L = bpy, o-phen; L′ = bpy-CO-, mbpy-(CH 2)3CO-), were synthesized through complexation of dendritic polypyridyl ligands to Ru(II) complexes to study the effect of both ligand and dendritic network on the ECL. Their electrochemical redox potentials, photoluminescence (PL) and relative ECL intensities were also studied. The ECL emissions produced by the reaction between electro-oxidized Ru3+ species of PAMAM dendrimers and tripropylamine as a coreactant were measured in a static system with potential cycles between 0.8 and 1.3 V or a flow injection analysis with a potential of +1.3 V and compared with that of [Ru(bpy) 3](PF6)2. Dend-4-[Ru(bpy)2(mbpy- (CH2)3CO-)](PF6)8 showed two-fold intense ECL intensity, greater than that shown by [Ru(bpy)3](PF 6)2 complex. It is observed that both ligand and length of spacer connected to dendrimer affected the ECL intensity.

AB - Polyamidoamine (PAMAM) dendrimers that is surface-modified with electrochemiluminescent (ECL) polypyridyl Ru(II) complexes, Dend-4-[Ru(L) 2(L′)] (L = bpy, o-phen; L′ = bpy-CO-, mbpy-(CH 2)3CO-), were synthesized through complexation of dendritic polypyridyl ligands to Ru(II) complexes to study the effect of both ligand and dendritic network on the ECL. Their electrochemical redox potentials, photoluminescence (PL) and relative ECL intensities were also studied. The ECL emissions produced by the reaction between electro-oxidized Ru3+ species of PAMAM dendrimers and tripropylamine as a coreactant were measured in a static system with potential cycles between 0.8 and 1.3 V or a flow injection analysis with a potential of +1.3 V and compared with that of [Ru(bpy) 3](PF6)2. Dend-4-[Ru(bpy)2(mbpy- (CH2)3CO-)](PF6)8 showed two-fold intense ECL intensity, greater than that shown by [Ru(bpy)3](PF 6)2 complex. It is observed that both ligand and length of spacer connected to dendrimer affected the ECL intensity.

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Polyamidoamine dendrimers functionalized with electrochemiluminescent polypyridyl Ru(II) complexes

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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