Elucidating the Size-dependent FRET Efficiency in Interfacially Engineered Quantum Dots Attached to PBSASunscreen

Muhammad Mubeen; Muhammad Adnan Khalid; Maria Mukhtar; Poshmal Sumreen; Tehreem Gul; Noor ul Ain; Saba Shahrum; Mamoona Tabassum; Anwar Ul-Hamid; Azhar Iqbal

doi:10.1111/php.13599

Elucidating the Size-dependent FRET Efficiency in Interfacially Engineered Quantum Dots Attached to PBSASunscreen

Muhammad Mubeen
, Muhammad Adnan Khalid
, Maria Mukhtar
, Poshmal Sumreen
, Tehreem Gul
, Noor ul Ain
, Saba Shahrum
, Mamoona Tabassum
, Anwar Ul-Hamid
, Azhar Iqbal^*

^*Corresponding author for this work

Core Research Facilities

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

6 Scopus citations

Abstract

Applying sunscreen on human skin provides photoprotection against the harmful ultraviolet (UV) radiation of the sun. Sunscreen absorbs UV radiations and dissipates the absorbed energy through various radiative and nonradiative pathways. The attachment of functionalized quantum dots (QDs) to the sunscreen component is a novel idea to enhance the absorption cross-section of UV radiations. Therefore, the attachment of the sunscreen component to the ligand functionalized biocompatible QDs and the absorbed energy transfer from sunscreen to the QDs could work as a model system to overall improve the efficiency of the sunscreen. This study elucidates the mechanism of size-dependent Förster resonance energy transfer (FRET) efficiency and its rate between 2-phenylbenzimidazole-5-sulfonic acid (PBSA) and mercaptoacetic acid (MAA) functionalized CdS QDs. In the PBSA-QDs dyad, the PBSA (donor) dissipates UV-absorbed energy to the CdS QDs (acceptor). Following excitation at 306 nm, the steady-state photoluminescence (SSPL) and time-resolved photoluminescence (TRPL) techniques measurements demonstrate that both the nonradiative energy transfer efficiency and rate are QDs size-dependent in addition to donor-acceptor distance, and suggest that bigger sized-QDs result in an increase of the FRET efficiency.

Original language	English
Pages (from-to)	1017-1024
Number of pages	8
Journal	Photochemistry and Photobiology
Volume	98
Issue number	5
DOIs	https://doi.org/10.1111/php.13599
State	Published - 1 Sep 2022

Bibliographical note

Publisher Copyright:
© 2022 American Society for Photobiology.

ASJC Scopus subject areas

Biochemistry
General Medicine
Physical and Theoretical Chemistry

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title = "Elucidating the Size-dependent FRET Efficiency in Interfacially Engineered Quantum Dots Attached to PBSASunscreen",

abstract = "Applying sunscreen on human skin provides photoprotection against the harmful ultraviolet (UV) radiation of the sun. Sunscreen absorbs UV radiations and dissipates the absorbed energy through various radiative and nonradiative pathways. The attachment of functionalized quantum dots (QDs) to the sunscreen component is a novel idea to enhance the absorption cross-section of UV radiations. Therefore, the attachment of the sunscreen component to the ligand functionalized biocompatible QDs and the absorbed energy transfer from sunscreen to the QDs could work as a model system to overall improve the efficiency of the sunscreen. This study elucidates the mechanism of size-dependent F{\"o}rster resonance energy transfer (FRET) efficiency and its rate between 2-phenylbenzimidazole-5-sulfonic acid (PBSA) and mercaptoacetic acid (MAA) functionalized CdS QDs. In the PBSA-QDs dyad, the PBSA (donor) dissipates UV-absorbed energy to the CdS QDs (acceptor). Following excitation at 306 nm, the steady-state photoluminescence (SSPL) and time-resolved photoluminescence (TRPL) techniques measurements demonstrate that both the nonradiative energy transfer efficiency and rate are QDs size-dependent in addition to donor-acceptor distance, and suggest that bigger sized-QDs result in an increase of the FRET efficiency.",

author = "Muhammad Mubeen and Khalid, \{Muhammad Adnan\} and Maria Mukhtar and Poshmal Sumreen and Tehreem Gul and \{ul Ain\}, Noor and Saba Shahrum and Mamoona Tabassum and Anwar Ul-Hamid and Azhar Iqbal",

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AU - Mubeen, Muhammad

AU - Khalid, Muhammad Adnan

AU - Mukhtar, Maria

AU - Sumreen, Poshmal

AU - Gul, Tehreem

AU - ul Ain, Noor

AU - Shahrum, Saba

AU - Tabassum, Mamoona

AU - Ul-Hamid, Anwar

AU - Iqbal, Azhar

PY - 2022/9/1

Y1 - 2022/9/1

N2 - Applying sunscreen on human skin provides photoprotection against the harmful ultraviolet (UV) radiation of the sun. Sunscreen absorbs UV radiations and dissipates the absorbed energy through various radiative and nonradiative pathways. The attachment of functionalized quantum dots (QDs) to the sunscreen component is a novel idea to enhance the absorption cross-section of UV radiations. Therefore, the attachment of the sunscreen component to the ligand functionalized biocompatible QDs and the absorbed energy transfer from sunscreen to the QDs could work as a model system to overall improve the efficiency of the sunscreen. This study elucidates the mechanism of size-dependent Förster resonance energy transfer (FRET) efficiency and its rate between 2-phenylbenzimidazole-5-sulfonic acid (PBSA) and mercaptoacetic acid (MAA) functionalized CdS QDs. In the PBSA-QDs dyad, the PBSA (donor) dissipates UV-absorbed energy to the CdS QDs (acceptor). Following excitation at 306 nm, the steady-state photoluminescence (SSPL) and time-resolved photoluminescence (TRPL) techniques measurements demonstrate that both the nonradiative energy transfer efficiency and rate are QDs size-dependent in addition to donor-acceptor distance, and suggest that bigger sized-QDs result in an increase of the FRET efficiency.

AB - Applying sunscreen on human skin provides photoprotection against the harmful ultraviolet (UV) radiation of the sun. Sunscreen absorbs UV radiations and dissipates the absorbed energy through various radiative and nonradiative pathways. The attachment of functionalized quantum dots (QDs) to the sunscreen component is a novel idea to enhance the absorption cross-section of UV radiations. Therefore, the attachment of the sunscreen component to the ligand functionalized biocompatible QDs and the absorbed energy transfer from sunscreen to the QDs could work as a model system to overall improve the efficiency of the sunscreen. This study elucidates the mechanism of size-dependent Förster resonance energy transfer (FRET) efficiency and its rate between 2-phenylbenzimidazole-5-sulfonic acid (PBSA) and mercaptoacetic acid (MAA) functionalized CdS QDs. In the PBSA-QDs dyad, the PBSA (donor) dissipates UV-absorbed energy to the CdS QDs (acceptor). Following excitation at 306 nm, the steady-state photoluminescence (SSPL) and time-resolved photoluminescence (TRPL) techniques measurements demonstrate that both the nonradiative energy transfer efficiency and rate are QDs size-dependent in addition to donor-acceptor distance, and suggest that bigger sized-QDs result in an increase of the FRET efficiency.

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ER -

Elucidating the Size-dependent FRET Efficiency in Interfacially Engineered Quantum Dots Attached to PBSASunscreen

Abstract

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