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Han Z, Liao X, Zou Y, He Y, Li J, Gu Y, Hu D, Liu J, Zuo L, Liu Y, Xu X. Flexible Miniaturized Multispectral Detector Derived from Blade-Coated Organic Narrowband Response Unit Array. ACS NANO 2022; 16:21036-21046. [PMID: 36484564 DOI: 10.1021/acsnano.2c08731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Multispectral sensing is extremely desired in intelligent systems, e.g., autonomous vehicles, encrypted information communication, and health biometric monitoring, due to its highly sensitive spectral discrimination ability. Nevertheless, rigid bulky optics and delicate optical paths in devices significantly increase their complexity and size, which subsequently impede their integration in smart optoelectronic chips for universal applications. In this work, a filterless miniaturized multispectral photodetector is realized with an organic narrowband response unit array. With the manipulation of Frenkel exciton dissociation in active layers, a series of narrowband organic sensing units with full-width-at-half-maximum (fwhm) narrowing to ∼50 nm are achieved from 700 to 1050 nm with a laudable performance of responsivity of over 60 mA/W, -3 dB bandwidth over 10 kHz, linear dynamic range (LDR) reaching ∼120 dB, and a low noise current of less than 4 × 10-14 A·Hz-0.5. Furthermore, a 6 × 8 multispectral sensing array on a flexible substrate was fabricated with blade-coating. Assisted by a computational process, we successfully demonstrate the spectral recognition with a resolution of ∼50 nm and a mismatch of ∼10 nm. Finally, the function of matter identification is successfully achieved with our multispectral detector array.
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Affiliation(s)
- Zeyao Han
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Xunfan Liao
- National Engineering Research Center for Carbohydrate Synthesis, Key Lab of Fluorine and Silicon for Energy Materials and Chemistry of Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, 99 Ziyang Avenue, Nanchang330022, China
| | - Yousheng Zou
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Yin He
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Junyu Li
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Yu Gu
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Dawei Hu
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Jiaxin Liu
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
| | - Lijian Zuo
- MOE Key Laboratory of Macromolecular Synthesis and Functionalization, State Key Laboratory of Silicon Materials, Department of Polymer Science & Engineering, Zhejiang University, Hangzhou310027, China
| | - Yongsheng Liu
- The Centre of Nanoscale Science and Technology and Key Laboratory of Functional Polymer Materials, Institute of Polymer Chemistry, College of Chemistry, Nankai University, Tianjin300071, China
| | - Xiaobao Xu
- School of Material Science and Engineering, Nanjing University of Science and Technology, Nanjing210094, China
- Joint International Research Laboratory of Information Display and Visualization, School of Electronic Science and Engineering, Southeast University, Nanjing210009, China
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2
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Jeong W, Kang J, Jeong MK, Won JH, Jung IH. Development of low bandgap polymers for red and near-infrared fullerene-free organic photodetectors. NEW J CHEM 2021. [DOI: 10.1039/d1nj01694f] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Two low bandgap donor polymers, PDTPTT and PCPDTTT, were synthesized and their photodetecting properties were investigated under a 680 nm red LED.
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Affiliation(s)
- WonJo Jeong
- Department of Organic and Nano Engineering, and Human-Tech Convergence Program
- Hanyang University
- Seoul 04763
- Republic of Korea
| | - Jinhyeon Kang
- Department of Organic and Nano Engineering, and Human-Tech Convergence Program
- Hanyang University
- Seoul 04763
- Republic of Korea
- Department of Chemistry
| | - Moon-Ki Jeong
- School of Chemical and Biological Engineering
- Seoul National University
- Seoul 08826
- Republic of Korea
| | - Jong Ho Won
- Department of Chemistry
- Kookmin University
- Seoul 02707
- Republic of Korea
| | - In Hwan Jung
- Department of Organic and Nano Engineering, and Human-Tech Convergence Program
- Hanyang University
- Seoul 04763
- Republic of Korea
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3
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Xie B, Xie R, Zhang K, Yin Q, Hu Z, Yu G, Huang F, Cao Y. Self-filtering narrowband high performance organic photodetectors enabled by manipulating localized Frenkel exciton dissociation. Nat Commun 2020; 11:2871. [PMID: 32514001 PMCID: PMC7280211 DOI: 10.1038/s41467-020-16675-x] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 05/13/2020] [Indexed: 12/04/2022] Open
Abstract
The high binding energy and low diffusion length of photogenerated Frenkel excitons have long been viewed as major drawbacks of organic semiconductors. Therefore, bulk heterojunction structure has been widely adopted to assist exciton dissociation in organic photon-electron conversion devices. Here, we demonstrate that these intrinsically “poor” properties of Frenkel excitons, in fact, offer great opportunities to achieve self-filtering narrowband organic photodetectors with the help of a hierarchical device structure to intentionally manipulate the dissociation of Frenkel excitons. With this strategy, filter-free narrowband organic photodetector centered at 860 nm with full-width-at-half-maximum of around 50 nm, peak external quantum efficiency around 65% and peak specific detectivity over 1013 Jones are obtained, which is one the best performed no-gain type narrowband organic photodetectors ever reported and comparable to commercialized silicon photodetectors. This novel device structure along with its design concept may help create low cost and reliable narrowband organic photodetectors for practical applications. Narrowband organic photodetectors (OPDs) are attractive for emerging applications. Here, the authors report a simple strategy to produce filter-free narrowband OPDs with outstanding performances by manipulating exciton dissociation with a hierarchical device structure.
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Affiliation(s)
- Boming Xie
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
| | - Ruihao Xie
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
| | - Kai Zhang
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China.
| | - Qingwu Yin
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
| | - Zhicheng Hu
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
| | - Gang Yu
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
| | - Fei Huang
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China.
| | - Yong Cao
- State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, School of Materials Science and Engineering, South China University of Technology, 381 Wushan Road, 510640, Guangzhou, China
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4
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Xu J, Wang R, Chen S, Zhang C, Liu L, Huang F, Lu X, Yang C, Wang X, Xiao M. Hole Transfer Promoted by a Viscosity Additive in an All-Polymer Photovoltaic Blend. J Phys Chem Lett 2020; 11:1384-1389. [PMID: 32013438 DOI: 10.1021/acs.jpclett.0c00025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Viscosity modifiers are widely applied to improve the mechanical compliance of organic optoelectronic devices. However, the effect of the viscosity additives on the charge dynamics remains poorly understood. Here, we report the observation of markedly different effects of a high-viscosity polymeric additive on the electron- and hole-transfer dynamics in all-polymer organic photovoltaic blends. By using ultrafast transient absorption spectroscopy, we determine that hole transfer from charge-transfer excitations in the acceptor is markedly promoted while the electron transfer from local excitations in the donor remains nearly unchanged upon introduction of viscosity additives into the blends. We argue that the modification of dielectric screening is the mechanism underlying the effect of the additive on the charge dynamics. This finding suggests a new strategy for designing high-performance flexible organic photovoltaic devices by manipulating the dielectric environment.
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Affiliation(s)
- Jianqiu Xu
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Rui Wang
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Shanshan Chen
- MOE Key Laboratory of Low-grade Energy Utilization Technologies and Systems, CQU-NUS Renewable Energy Materials & Devices Joint Laboratory, School of Energy & Power Engineering , Chongqing University , Chongqing 400044 , China
| | - Chunfeng Zhang
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Lin Liu
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Fengzhen Huang
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Xiaomei Lu
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Changduk Yang
- Department of Energy Engineering, School of Energy and Chemical Engineering, Perovtronics Research Center, Low Dimensional Carbon Materials Center , Ulsan National Institute of Science and Technology (UNIST) , 50 UNIST-gil, Ulju-gun , Ulsan 44919 , South Korea
| | - Xiaoyong Wang
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
| | - Min Xiao
- National Laboratory of Solid State Microstructures, School of Physics, and Collaborative Innovation Center for Advanced Microstructures , Nanjing University , Nanjing 210093 , China
- Department of Physics , University of Arkansas , Fayetteville , Arkansas 72701 , United States
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5
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Sami S, Haase PAB, Alessandri R, Broer R, Havenith RWA. Can the Dielectric Constant of Fullerene Derivatives Be Enhanced by Side-Chain Manipulation? A Predictive First-Principles Computational Study. J Phys Chem A 2018; 122:3919-3926. [PMID: 29561616 PMCID: PMC5911807 DOI: 10.1021/acs.jpca.8b01348] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
![]()
The
low efficiency of organic photovoltaic (OPV) devices has often
been attributed to the strong Coulombic interactions between the electron
and hole, impeding the charge separation process. Recently, it has
been argued that by increasing the dielectric constant of materials
used in OPVs, this strong interaction could be screened. In this work,
we report the application of periodic density functional theory together
with the coupled perturbed Kohn–Sham method to calculate the
electronic contribution to the dielectric constant for fullerene C60 derivatives, a ubiquitous class of molecules in the field
of OPVs. The results show good agreement with experimental data when
available and also reveal an important undesirable outcome when manipulating
the side chain to maximize the static dielectric constant: in all
cases, the electronic contribution to the dielectric constant decreases
as the side chain increases in size. This information should encourage
both theoreticians and experimentalists to further investigate the
relevance of contributions to the dielectric constant from slower
processes like vibrations and dipolar reorientations for facilitating
the charge separation, because electronically, enlarging the side
chain of conventional fullerene derivatives only lowers the dielectric
constant, and consequently, their electronic dielectric constant is
upper bound by the one of C60.
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Affiliation(s)
| | | | | | | | - Remco W A Havenith
- Department of Inorganic and Physical Chemistry , Ghent University , Krijgslaan 281-(S3) , B-9000 Ghent , Belgium
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6
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Scharber MC. On the Efficiency Limit of Conjugated Polymer:Fullerene-Based Bulk Heterojunction Solar Cells. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:1994-2001. [PMID: 26757236 DOI: 10.1002/adma.201504914] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/22/2015] [Indexed: 05/20/2023]
Abstract
The power conversion efficiency potential of eight high-performance polymer-fullerene blends is investigated. All studied absorbers show the typical organic solar cell losses limiting their performance to ≈13%.
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Affiliation(s)
- Markus C Scharber
- Linz Institute for Organic Solar Cells, Johannes Kepler University Linz, Altenbergerstrasse 69, 4040, Linz, Austria
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7
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de Gier HD, Jahani F, Broer R, Hummelen JC, Havenith RWA. Promising Strategy To Improve Charge Separation in Organic Photovoltaics: Installing Permanent Dipoles in PCBM Analogues. J Phys Chem A 2015; 120:4664-71. [PMID: 26478954 DOI: 10.1021/acs.jpca.5b09279] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A multidisciplinary approach involving organic synthesis and theoretical chemistry was applied to investigate a promising strategy to improve charge separation in organic photovoltaics: installing permanent dipoles in fullerene derivatives. First, a PCBM analogue with a permanent dipole in the side chain (PCBDN) and its reference analogue without a permanent dipole (PCBBz) were successfully synthesized and characterized. Second, a multiscale modeling approach was applied to investigate if a PCBDN environment around a central donor-acceptor complex indeed facilitates charge separation. Alignment of the embedding dipoles in response to charges present on the central donor-acceptor complex enhances charge separation. The good correspondence between experimentally and theoretically determined electronic and optical properties of PCBDN, PCBBz, and PCBM indicates that the theoretical analysis of the embedding effects of these molecules gives a reliable expectation for their influence on the charge separation process at a microscopic scale in a real device. This work suggests the following strategies to improve charge separation in organic photovoltaics: installing permanent dipoles in PCBM analogues and tuning the concentration of these molecules in an organic donor/acceptor blend.
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Affiliation(s)
- Hilde D de Gier
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Fatemeh Jahani
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Stratingh Institute for Chemistry, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Ria Broer
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Jan C Hummelen
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Stratingh Institute for Chemistry, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands
| | - Remco W A Havenith
- Zernike Institute for Advanced Materials, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Stratingh Institute for Chemistry, University of Groningen , Nijenborgh 4, 9747 AG Groningen, The Netherlands.,Ghent Quantum Chemistry Group, Department of Inorganic and Physical Chemistry, Ghent University , Krijgslaan 281 (S3), B-9000 Gent, Belgium
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8
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Cudazzo P, Sottile F, Rubio A, Gatti M. Exciton dispersion in molecular solids. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2015; 27:113204. [PMID: 25738755 DOI: 10.1088/0953-8984/27/11/113204] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The investigation of the exciton dispersion (i.e. the exciton energy dependence as a function of the momentum carried by the electron-hole pair) is a powerful approach to identify the exciton character, ranging from the strongly localised Frenkel to the delocalised Wannier-Mott limiting cases. We illustrate this possibility at the example of four prototypical molecular solids (picene, pentacene, tetracene and coronene) on the basis of the parameter-free solution of the many-body Bethe-Salpeter equation. We discuss the mixing between Frenkel and charge-transfer excitons and the origin of their Davydov splitting in the framework of many-body perturbation theory and establish a link with model approaches based on molecular states. Finally, we show how the interplay between the electronic band dispersion and the exchange electron-hole interaction plays a fundamental role in setting the nature of the exciton. This analysis has a general validity holding also for other systems in which the electron wavefunctions are strongly localized, as in strongly correlated insulators.
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Affiliation(s)
- Pierluigi Cudazzo
- Nano-Bio Spectroscopy group, Universidad del País Vasco, CFM CSIC-UPV/EHU-MPC and DIPC, E-20018 San Sebastián, Spain. European Theoretical Spectroscopy Facility (ETSF
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