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Li M, Wu C, Chen M, Weng T, Yu X, Lin K, Cao Y, Yu X, Li Z, Qiao Q, Zhang H, Zhou Y. Dipole Field-Driven Organic-Inorganic Heterojunction for Highly Sensitive Ultraviolet Photodetector. ACS Appl Mater Interfaces 2024. [PMID: 38382473 DOI: 10.1021/acsami.3c16985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/23/2024]
Abstract
Developing high-performance organic-inorganic ultraviolet (UV) photodetectors (PDs) has attracted considerable attention. However, this development has been hindered due to poor directional charge-transfer ratios in transport layers, excessive costs, and an ambiguous underlying mechanism. To tackle these challenges, we constructed a heterojunction of economic Mg-doped ZnO (MgZnO) nanorods and poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) [PEDOT:PSS (P:P)] that utilizes dipole field-driven spontaneous polarization to enhance photogenerated charge kinetics. As a result, the proposed heterojunction has an improved noise equivalent power of 3.16 × 10-11 W Hz-1/2), a normalized detection rate (D*) of 8.96 × 109 jones, and external quantum efficiency comparable to other ZnO-based devices. Notably, the prepared PDs showed a photocurrent of 4.8 × 10-3 μA under a faint UV light having an intensity of 1 × 10-5 W cm-2, exceeding the performance of the most state-of-the-art ZnO-based UV sensors. The introduction of Mg into ZnO is responsible for the high performance, as it causes a lattice mismatch and distortion of the Mg-doped ZnO unit cell. It results in improved dipole movement and the creation of a dipole field, accelerating the directional electron-transfer process. Using a dipole field to manipulate the migration and transport of photogenerated carriers represents a promising approach for achieving outstanding performance in UV PDs.
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Affiliation(s)
- Minghao Li
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Cheng Wu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Mengshan Chen
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Tianfeng Weng
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Xuan Yu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Kun Lin
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Yu Cao
- School of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China
| | - Xiaoming Yu
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Zhenhua Li
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Qian Qiao
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Hai Zhang
- School of Marine Engineering Equipment, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Yingtang Zhou
- National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
- Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control, Marine Science and Technology College, Zhejiang Ocean University, Zhoushan, Zhejiang 316004, China
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Kim TH, Choi YK, Lee GM, Saeed MA, Jung BK, Lee MJ, Choi HJ, Oh SJ, Shim JW. Ultra-Low Noise Level Infrared Quantum Dot Photodiodes with Self-Screenable Polymeric Optical Window. Adv Mater 2024; 36:e2309028. [PMID: 37991324 DOI: 10.1002/adma.202309028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/20/2023] [Indexed: 11/23/2023]
Abstract
Quantum dot photodiodes (QPDs) have garnered significant attention because of their unparalleled near-infrared (NIR) detection capabilities, primarily attributable to their size-dependent bandgap tunability. Nevertheless, the broadband absorption spectrum of QPD engenders substantial noise floor within superfluous visible light regions, notably hindering their use in several emerging applications necessitating the detection of faint micro-light signals. To overcome these hurdles, a self-screenable NIR QPD featuring an internal optical filter with a thick polymeric interlayer to reduce electronic noise is demonstrated. This effectively screens out undesirable visible light regions while reducing the ionized defect owing to decreased density of state, yielding an extremely low dark current (≈1010 A cm-2 at V = -1 V). Consequently, the electronic noise spectral density is attained at levels below ≈10-27 -10-28 A2 Hz-1 , and responsivity (R) dropped to 92% within the visible light spectrum.
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Affiliation(s)
- Tae Hyuk Kim
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Young Kyun Choi
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Gyeong Min Lee
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Muhammad Ahsan Saeed
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Byung Ku Jung
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Min Jong Lee
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Hyung Jin Choi
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Soong Ju Oh
- Department of Materials Science and Engineering, Korea University, Seoul, 02841, Republic of Korea
| | - Jae Won Shim
- School of Electrical Engineering, Korea University, Seoul, 02841, Republic of Korea
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Huang J, Luong HM, Lee J, Chae S, Yi A, Qu ZZ, Du Z, Choi DG, Kim HJ, Nguyen TQ. Green-Solvent-Processed High-Performance Broadband Organic Photodetectors. ACS Appl Mater Interfaces 2023; 15:37748-37755. [PMID: 37505202 DOI: 10.1021/acsami.3c09391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Solution-processed organic photodetectors with broadband activity have been demonstrated with an environmentally benign solvent, ortho-xylene (o-xylene), as the processing solvent. The organic photodetectors employ a wide band gap polymer donor PBDB-T and a narrow band gap small-molecule non-fullerene acceptor CO1-4F, both dissolvable in o-xylene at a controlled temperature. The o-xylene-processed devices have shown external quantum efficiency of up to 70%, surpassing the counterpart processed with chlorobenzene. With a well-suppressed dark current, the device can also present a high specific detectivity of over 1012 Jones at -2 V within practical operation frequencies and is applicable for photoplethysmography with its fast response. These results further highlight the potential of green-solvent-processed organic photodetectors as a high-performing alternative to their counterparts processed in toxic chlorinated solvents without compromising the excellent photosensing performance.
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Affiliation(s)
- Jianfei Huang
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Mitsubishi Chemical Center for Advanced Materials, Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Hoang Mai Luong
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Mitsubishi Chemical Center for Advanced Materials, Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Jaewon Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, South Korea
| | - Sangmin Chae
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Mitsubishi Chemical Center for Advanced Materials, Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Ahra Yi
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Department of Organic Material Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Zhong-Ze Qu
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Mitsubishi Chemical Center for Advanced Materials, Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
| | - Zhifang Du
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
| | - Dylan G Choi
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
| | - Hyo Jung Kim
- Department of Organic Material Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Thuc-Quyen Nguyen
- Center for Polymers and Organic Solids, University of California, Santa Barbara, University of California, Santa Barbara, California 93106, United States
- Mitsubishi Chemical Center for Advanced Materials, Materials Research Laboratory, University of California, Santa Barbara, California 93106, United States
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He Q, Basu A, Cha H, Daboczi M, Panidi J, Tan L, Hu X, Huang CC, Ding B, White AJP, Kim JS, Durrant JR, Anthopoulos TD, Heeney M. Ultra-Narrowband Near-Infrared Responsive J-Aggregates of Fused Quinoidal Tetracyanoindacenodithiophene. Adv Mater 2023; 35:e2209800. [PMID: 36565038 DOI: 10.1002/adma.202209800] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/13/2022] [Indexed: 06/17/2023]
Abstract
Narrowband photoresponsive molecules are highly coveted in high-resolution imaging, sensing, and monochromatic photodetection, especially those extending into the near-infrared (NIR) spectral range. Here, a new class of J-aggregating materials based on quinoidal indacenodithiophenes (IDTs) that exhibit an ultra-narrowband (full width half maxima of 22 nm) NIR absorption peak centered at 770 nm is reported. The spectral width is readily tuned by the length of the solubilizing alkyl group, with longer chains resulting in significant spectral narrowing. The J-aggregate behavior is confirmed by a combination of excited state lifetime measurements and single-crystal X-ray diffraction measurements. Their utility as electron-transporting materials is demonstrated in both transistor and phototransistor devices, with the latter demonstrating good response at NIR wavelengths (780 nm) over a range of intensities.
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Affiliation(s)
- Qiao He
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Aniruddha Basu
- KAUST Solar Center (KSC), Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST)SC), Thuwal, 23955-6900, Saudi Arabia
| | - Hyojung Cha
- Department of Hydrogen & Renewable Energy, Kyungpook National University, Daegu, 41566, Korea
| | - Matyas Daboczi
- Department of Physics and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Julianna Panidi
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Luxi Tan
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 401331, China
| | - Xiantao Hu
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Chi Cheng Huang
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Bowen Ding
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Andrew J P White
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Ji-Seon Kim
- Department of Physics and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - James R Durrant
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
| | - Thomas D Anthopoulos
- KAUST Solar Center (KSC), Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST)SC), Thuwal, 23955-6900, Saudi Arabia
| | - Martin Heeney
- Department of Chemistry and Centre for Processable Electronics, Imperial College London, London, W12 0BZ, UK
- KAUST Solar Center (KSC), Physical Science and Engineering Division (PSE), King Abdullah University of Science and Technology (KAUST)SC), Thuwal, 23955-6900, Saudi Arabia
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Ollearo R, Ma X, Akkerman HB, Fattori M, Dyson MJ, van Breemen AJ, Meskers SC, Dijkstra W, Janssen RA, Gelinck GH. Vitality surveillance at distance using thin-film tandem-like narrowband near-infrared photodiodes with light-enhanced responsivity. Sci Adv 2023; 9:eadf9861. [PMID: 36800431 PMCID: PMC9937568 DOI: 10.1126/sciadv.adf9861] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/13/2023] [Indexed: 06/09/2023]
Abstract
Remote measurement of vital sign parameters like heartbeat and respiration rate represents a compelling challenge in monitoring an individual's health in a noninvasive way. This could be achieved by large field-of-view, easy-to-integrate unobtrusive sensors, such as large-area thin-film photodiodes. At long distances, however, discriminating weak light signals from background disturbance demands superior near-infrared (NIR) sensitivity and optical noise tolerance. Here, we report an inherently narrowband solution-processed, thin-film photodiode with ultrahigh and controllable NIR responsivity based on a tandem-like perovskite-organic architecture. The device has low dark currents (<10-6 mA cm-2), linear dynamic range >150 dB, and operational stability over time (>8 hours). With a narrowband quantum efficiency that can exceed 200% at 850 nm and intrinsic filtering of other wavelengths to limit optical noise, the device exhibits higher tolerance to background light than optically filtered silicon-based sensors. We demonstrate its potential in remote monitoring by measuring the heart rate and respiration rate from distances up to 130 cm in reflection.
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Affiliation(s)
- Riccardo Ollearo
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | - Xiao Ma
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | - Hylke B. Akkerman
- TNO at Holst Centre, High Tech Campus 31, 5656 AE Eindhoven, Netherlands
| | - Marco Fattori
- Integrated Circuits, Departments of Electrical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | - Matthew J. Dyson
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | | | - Stefan C. J. Meskers
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | - Wijnand Dijkstra
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
| | - René A. J. Janssen
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
- Dutch Institute for Fundamental Energy Research, De Zaale 20, 5612 AJ Eindhoven, Netherlands
| | - Gerwin H. Gelinck
- Molecular Materials and Nanosystems, Institute for Complex Molecular Systems, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, Netherlands
- TNO at Holst Centre, High Tech Campus 31, 5656 AE Eindhoven, Netherlands
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