Charge Shift/Recombination and Triplet Formation in a Closely-Spaced Molecular Dyad based on a Borondipyrromethene (Bodipy) and an Expanded Acridinium Cation

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Charge Shift/Recombination and Triplet Formation in a Closely-Spaced Molecular Dyad based on a Borondipyrromethene (Bodipy) and an Expanded Acridinium Cation. / He, Xiaoyan; Benniston, Andrew C.; Lemmetyinen, Helge; Tkachenko, Nikolai V.

In: ChemPhotoChem, Vol. 2, No. 3, 03.2018, p. 277-282.

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

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@article{9dd5a73c9a6b45a4a8633ab483aaa5c1,

title = "Charge Shift/Recombination and Triplet Formation in a Closely-Spaced Molecular Dyad based on a Borondipyrromethene (Bodipy) and an Expanded Acridinium Cation",

abstract = "A molecular monocationic dyad comprising a borondipyrromethene (Bodipy) and an expanded planar acridinium cation was prepared. The dyad, when excited in solution by an ultrashort laser pulse, generates a charge‐shift state, where a positive charge is transferred to the Bodipy from the acridinium subunit. The process takes less than 1 ps in MeCN and around 8 ps in 1,2‐dichloroethane. The charge‐shift state collapses, in part, back to the ground state but it also leads to partial triplet formation; the discrimination between rates for the forward and reverse processes is circa 7.",

author = "Xiaoyan He and Benniston, {Andrew C.} and Helge Lemmetyinen and Tkachenko, {Nikolai V.}",

year = "2018",

month = "3",

doi = "10.1002/cptc.201700184",

language = "English",

volume = "2",

pages = "277--282",

journal = "ChemPhotoChem",

issn = "2367-0932",

publisher = "Wiley",

number = "3",

}

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TY - JOUR

T1 - Charge Shift/Recombination and Triplet Formation in a Closely-Spaced Molecular Dyad based on a Borondipyrromethene (Bodipy) and an Expanded Acridinium Cation

AU - He, Xiaoyan

AU - Benniston, Andrew C.

AU - Lemmetyinen, Helge

AU - Tkachenko, Nikolai V.

PY - 2018/3

Y1 - 2018/3

N2 - A molecular monocationic dyad comprising a borondipyrromethene (Bodipy) and an expanded planar acridinium cation was prepared. The dyad, when excited in solution by an ultrashort laser pulse, generates a charge‐shift state, where a positive charge is transferred to the Bodipy from the acridinium subunit. The process takes less than 1 ps in MeCN and around 8 ps in 1,2‐dichloroethane. The charge‐shift state collapses, in part, back to the ground state but it also leads to partial triplet formation; the discrimination between rates for the forward and reverse processes is circa 7.

AB - A molecular monocationic dyad comprising a borondipyrromethene (Bodipy) and an expanded planar acridinium cation was prepared. The dyad, when excited in solution by an ultrashort laser pulse, generates a charge‐shift state, where a positive charge is transferred to the Bodipy from the acridinium subunit. The process takes less than 1 ps in MeCN and around 8 ps in 1,2‐dichloroethane. The charge‐shift state collapses, in part, back to the ground state but it also leads to partial triplet formation; the discrimination between rates for the forward and reverse processes is circa 7.

U2 - 10.1002/cptc.201700184

DO - 10.1002/cptc.201700184

M3 - Article

VL - 2

SP - 277

EP - 282

JO - ChemPhotoChem

JF - ChemPhotoChem

SN - 2367-0932

IS - 3

ER -

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