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Li D, He X, Zhao L, Jia M, Li H, Zhang S, Zhang X, Chen J, Jin Q, Xu J. Ultrafast Electron Transfer Dynamics of Organic Polymer Nanoparticles with Graphene Oxide. Chemistry 2023; 29:e202300025. [PMID: 36691919 DOI: 10.1002/chem.202300025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/25/2023]
Abstract
We prepared organic polymer poly-3-hexylthiophene (p3ht) nanoparticles (NPs) and graphene oxide (GO)/reduced graphene oxide (RGO) composites p3ht NPs-GO/RGO by using the reprecipitation method. We demonstrated that GO/RGO could improve the ordering and planarity of p3ht chains as well as the formation of p3ht NPs, and confirmed the effects of GO/RGO on the fluorescence and carrier transport dynamics of p3ht NPs by using femtosecond fluorescence upconversion and transient absorption (TA) techniques. Ultrafast electron transfer (∼1 ps) between GO/RGO and p3ht NPs quenched the fluorescence of p3ht NPs, indicating excellent properties of p3ht NPs-GO/RGO as the charge transfer complexes. Efficient electron transfer may promote the applications of p3ht NPs-GO/RGO composites in organic polymer solar cells and photocatalysis. Moreover, RGO had stronger interfacial interactions and more matched conduction band energy levels with p3ht NPs than GO did, which implied that p3ht NPs-RGO might have greater application values than p3ht NPs-GO.
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Affiliation(s)
- Dong Li
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Xiaoxiao He
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Litao Zhao
- Key Laboratory of Spin Electron and Nanomaterials of, Anhui Higher Education Institutes, Suzhou University, 49 Bianhe Middle Road, Suzhou, 234000, P. R. China
| | - Menghui Jia
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Haoyang Li
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Sanjun Zhang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Xiaolei Zhang
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Jinquan Chen
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Qingyuan Jin
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
| | - Jianhua Xu
- State Key Laboratory of Precision Spectroscopy, East China Normal University, 500 Dongchuan Road, Shanghai, 200241, P. R. China
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Niu Z, Ma C, Ye W, Wang H, Jia W, Shi H, Shi H, An Z, Huang W. Colour-tunable ultralong organic phosphorescence upon temperature stimulus. RSC Adv 2019; 9:19075-19078. [PMID: 35516893 PMCID: PMC9065138 DOI: 10.1039/c9ra03537k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Accepted: 06/08/2019] [Indexed: 11/25/2022] Open
Abstract
A new class of single-component molecular crystal with colour-tunable ultralong organic phosphorescence (UOP) was designed and synthesized through alkyl chain engineering. Forming a more rigid environment at 77 K, the colour-tunable UOP from yellow-white to blue-green is achieved through dual-emission of crystal and amorphous states. A new class of single-component molecular crystal with colour-tunable ultralong organic phosphorescence (UOP) was designed and synthesized through alkyl chain engineering.![]()
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Affiliation(s)
- Zuoji Niu
- School of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China .,Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Chaoqun Ma
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Wenpeng Ye
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - He Wang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Wenyong Jia
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Huixian Shi
- School of Materials Science and Engineering, Taiyuan University of Technology Taiyuan 030024 China
| | - Huifang Shi
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Zhongfu An
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
| | - Wei Huang
- Key Laboratory of Flexible Electronics (KLOFE), Institute of Advanced Materials (IAM), Nanjing Tech University (NanjingTech) 30 South Puzhu Road Nanjing 211816 China
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Faramarzi V, Ahmadi V, Fotouhi B, Abasifard M. A potential sensing mechanism for DNA nucleobases by optical properties of GO and MoS 2 Nanopores. Sci Rep 2019; 9:6230. [PMID: 30996229 PMCID: PMC6470134 DOI: 10.1038/s41598-019-41165-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2018] [Accepted: 03/01/2019] [Indexed: 11/09/2022] Open
Abstract
We propose a new DNA sensing mechanism based on optical properties of graphene oxide (GO) and molybdenum disulphide (MoS2) nanopores. In this method, GO and MoS2 is utilized as quantum dot (QD) nanopore and DNA molecule translocate through the nanopore. A recently-developed hybrid quantum/classical method (HQCM) is employed which uses time-dependent density functional theory and quasi-static finite difference time domain approach. Due to good biocompatibility, stability and excitation wavelength dependent emission behavior of GO and MoS2 we use them as nanopore materials. The absorption and emission peaks wavelengths of GO and MoS2 nanopores are investigated in the presence of DNA nucleobases. The maximum sensitivity of the proposed method to DNA is achieved for the 2-nm GO nanopore. Results show that insertion of DNA nucleobases in the nanopore shifts the wavelength of the emitted light from GO or MoS2 nanopore up to 130 nm. The maximum value of the relative shift between two different nucleobases is achieved by the shift between cytosine (C) and thymine (T) nucleobases, ~111 nm for 2-nm GO nanopore. Results show that the proposed mechanism has a superior capability to be used in future DNA sequencers.
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Affiliation(s)
- Vahid Faramarzi
- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, P. O. Box 14115-194, Tehran, 1411713116, Iran
| | - Vahid Ahmadi
- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, P. O. Box 14115-194, Tehran, 1411713116, Iran.
| | - Bashir Fotouhi
- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, P. O. Box 14115-194, Tehran, 1411713116, Iran
| | - Mostafa Abasifard
- Faculty of Electrical and Computer Engineering, Tarbiat Modares University, P. O. Box 14115-194, Tehran, 1411713116, Iran
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Zhao L, Chen J, He X, Yu X, Yan S, Zhang S, Pan H, Xu J. Solvent induced fluorescence enhancement of graphene oxide studied by ultrafast spectroscopy. Chem Phys 2018. [DOI: 10.1016/j.chemphys.2018.04.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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