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Kim C, Kozakci I, Lee SY, Kim B, Kim J, Lee J, Ma BS, Oh ES, Kim TS, Lee JY. Quantum Dot-Siloxane Anchoring on Colloidal Quantum Dot Film for Flexible Photovoltaic Cell. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2302195. [PMID: 37300352 DOI: 10.1002/smll.202302195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/15/2023] [Indexed: 06/12/2023]
Abstract
Lead sulfide (PbS) colloidal quantum dots (CQDs) are promising materials for next-generation flexible solar cells because of near-infrared absorption, facile bandgap tunability, and superior air stability. However, CQD devices still lack enough flexibility to be applied to wearable devices owing to the poor mechanical properties of CQD films. In this study, a facile approach is proposed to improve the mechanical stability of CQDs solar cells without compromising the high power conversion efficiency (PCE) of the devices. (3-aminopropyl)triethoxysilane (APTS) is introduced on CQD films to strengthen the dot-to-dot bonding via QD-siloxane anchoring, and as a result, crack pattern analysis reveals that the treated devices become robust to mechanical stress. The device maintains 88% of the initial PCE under 12 000 cycles at a bending radius of 8.3 mm. In addition, APTS forms a dipole layer on CQD films, which improves the open circuit voltage (VOC ) of the device, achieving a PCE of 11.04%, one of the highest PCEs in flexible PbS CQD solar cells.
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Affiliation(s)
- Changjo Kim
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Irem Kozakci
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Sang Yeon Lee
- Information and Electronics Research Institute, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Byeongsu Kim
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Junho Kim
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jihyung Lee
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Boo Soo Ma
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Eun Sung Oh
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Taek-Soo Kim
- Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
| | - Jung-Yong Lee
- School of Electrical Engineering (EE), Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon, 34141, Republic of Korea
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Ching-Bin Ke, Jian-Lian Chen. Polyimide Substrates Pre-Treated by Capacitively Coupled Plasma and Coated with Composites of Tetracycline-Imprinted Polymethacrylates and Quantum Dots as Fluorescent Sensors. JOURNAL OF ANALYTICAL CHEMISTRY 2020. [DOI: 10.1134/s1061934820090063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Tavakoli Dastjerdi H, Qi P, Fan Z, Tavakoli MM. Cost-Effective and Semi-Transparent PbS Quantum Dot Solar Cells Using Copper Electrodes. ACS APPLIED MATERIALS & INTERFACES 2020; 12:818-825. [PMID: 31820641 DOI: 10.1021/acsami.9b18487] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
PbS quantum dots (QDs) have gained significant attention as promising solution-based materials for third generation of photovoltaic (PV) devices, thanks to their size-tunable band gap, air stability, and low-cost solution processing. Gold (Au), despite its high cost, is the standard electrode in the conventional PbS QD PV architecture because of its perfect alignment with valence levels of PbS QDs. However, to comply with manufacturing requirements for scalable device processing, alternative cost-effective electrodes are urgently required. Here, we employed an interface engineering approach and deposited poly(3-hexylthiophene-2,5-diyl) as a hole transport layer on 1,2-ethanedithiol-capped PbS QDs in order to adjust the valence band of QDs with the work function of inexpensive copper (Cu) electrodes. In fact, this is the first report of a Au-free PbS QD PV system employing the conventional device structure. Our Cu-based device shows a maximum power conversion efficiency (PCE) of 8.7% which is comparable with that of the Au-based device (10.2%). Interestingly, the P3HT-based device shows improved stability with relatively 10% PCE loss after 230 h under continuous illumination. Moreover, using an ultrathin Cu electrode, a semitransparent PbS QD PV is fabricated with a remarkably high average visible transparency of 26% and a PCE of 7.4%.
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Affiliation(s)
| | - Pengfei Qi
- Zhong Shan Rui Ke New Energy Company, Limited , 13th Torch Road, Torch Development Zone , Zhongshan City , Guangdong Province 528437 , China
| | - Zhiyong Fan
- Department of Electronic and Computer Engineering , The Hong Kong University of Science and Technology , Clear Water Bay, Kowloon , Hong Kong SAR , China
- HKUST-Shenzhen Research Institute , No. 9 Yuexing First RD, South Area, Hi-tech Park , Nanshan, Shenzhen 518057 , China
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Kirmani AR, Sheikh AD, Niazi MR, Haque MA, Liu M, de Arquer FPG, Xu J, Sun B, Voznyy O, Gasparini N, Baran D, Wu T, Sargent EH, Amassian A. Overcoming the Ambient Manufacturability-Scalability-Performance Bottleneck in Colloidal Quantum Dot Photovoltaics. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2018; 30:e1801661. [PMID: 29978514 DOI: 10.1002/adma.201801661] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 04/21/2018] [Indexed: 05/22/2023]
Abstract
Colloidal quantum dot (CQD) solar cells have risen rapidly in performance; however, their low-cost fabrication under realistic ambient conditions remains elusive. This study uncovers that humid environments curtail the power conversion efficiency (PCE) of solar cells by preventing the needed oxygen doping of the hole transporter during ambient fabrication. A simple oxygen-doping step enabling ambient manufacturing irrespective of seasonal humidity variations is devised. Solar cells with PCE > 10% are printed under high humidity at industrially viable speeds. The devices use a tiny fraction of the ink typically needed and are air stable over a year. The humidity-resilient fabrication of efficient CQD solar cells breaks a long-standing compromise, which should accelerate commercialization.
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Affiliation(s)
- Ahmad R Kirmani
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Arif D Sheikh
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Muhammad R Niazi
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Md Azimul Haque
- Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Mengxia Liu
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - F Pelayo García de Arquer
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Jixian Xu
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Bin Sun
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Oleksandr Voznyy
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Nicola Gasparini
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Derya Baran
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Tom Wu
- Physical Sciences and Engineering Division, King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
| | - Edward H Sargent
- Department of Electrical and Computer Engineering, University of Toronto, Toronto, Ontario, M5S 3G4, Canada
| | - Aram Amassian
- Physical Sciences and Engineering Division, KAUST Solar Center (KSC), King Abdullah University of Science and Technology (KAUST), Thuwal, 23955-6900, Saudi Arabia
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Zhong Z, Woo K, Kim I, Kim H, Ko P, Kang D, Kwon S, Kim H, Youn H, Moon J. Defect-Free, Highly Uniform Washable Transparent Electrodes Induced by Selective Light Irradiation. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1800676. [PMID: 29665206 DOI: 10.1002/smll.201800676] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2018] [Indexed: 06/08/2023]
Abstract
A simple route to fabricate defect-free Ag-nanoparticle-carbon-nanotube composite-based high-resolution mesh flexible transparent conducting electrodes (FTCEs) is explored. In the selective photonic sintering-based patterning process, a highly soft rubber or thin plastic substrate is utilized to achieve close and uniform contact between the composite layer and photomask, with which uniform light irradiation can be obtained with diminished light diffraction. This well-controlled process results in developing a fine and uniform mesh pattern (≈12 μm). The mesh patternability is confirmed to be dependent on heat distribution in the selectively light-irradiated film and the pattern design for FTCE could be adopted for more precise patterns with desired performance. Moreover, using a very thin substrate could allow the mesh to be positioned closer to the strain-free neutral mechanical plane. Due to strong interfacial adhesion between the mesh pattern and substrate, the mesh FTCE could tolerate severe mechanical deformation without performance degradation. It is demonstrated that a transparent heater with fine mesh patterns on thin substrate can maintain stability after 100 repeated washing test cycles in which a variety of stress situations occurring in combination. The presented highly durable FTCE and simple fabrication processes may be widely adoptable for various flexible, large-area, and wearable optoelectronic devices.
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Affiliation(s)
- Zhaoyang Zhong
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Kyoohee Woo
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Inhyuk Kim
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
| | - Hyuntae Kim
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Pyeongsam Ko
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
- Department of Mechanical Engineering, Hanbat National University, Dongseodaero 125, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - Dongwoo Kang
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Sin Kwon
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Hyunchang Kim
- Advanced Manufacturing Systems Research Division, Korea Institute of Machinery and Materials (KIMM), 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, Republic of Korea
| | - Hongseok Youn
- Department of Mechanical Engineering, Hanbat National University, Dongseodaero 125, Yuseong-gu, Daejeon, 34158, Republic of Korea
| | - Jooho Moon
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Republic of Korea
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Solution-Processed Environmentally Friendly Ag2S Colloidal Quantum Dot Solar Cells with Broad Spectral Absorption. APPLIED SCIENCES-BASEL 2017. [DOI: 10.3390/app7101020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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Zhang X, Santra PK, Tian L, Johansson MB, Rensmo H, Johansson EMJ. Highly Efficient Flexible Quantum Dot Solar Cells with Improved Electron Extraction Using MgZnO Nanocrystals. ACS NANO 2017; 11:8478-8487. [PMID: 28763616 DOI: 10.1021/acsnano.7b04332] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Colloidal quantum dot (CQD) solar cells have high potential for realizing an efficient and lightweight energy supply for flexible or wearable electronic devices. To achieve highly efficient and flexible CQD solar cells, the electron transport layer (ETL), extracting electrons from the CQD solid layer, needs to be processed at a low-temperature and should also suppress interfacial recombination. Herein, a highly stable MgZnO nanocrystal (MZO-NC) layer is reported for efficient flexible PbS CQD solar cells. Solar cells fabricated with MZO-NC ETL give a high power conversion efficiency (PCE) of 10.4% and 9.4%, on glass and flexible plastic substrates, respectively. The reported flexible CQD solar cell has the record efficiency to date of flexible CQD solar cells. Detailed theoretical simulations and extensive characterizations reveal that the MZO-NCs significantly enhance charge extraction from CQD solids and diminish the charge accumulation at the ETL/CQD interface, suppressing charge interfacial recombination. These important results suggest that the low-temperature processed MZO-NCs are very promising for use in efficient flexible solar cells or other flexible optoelectronic devices.
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Affiliation(s)
- Xiaoliang Zhang
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
| | - Pralay Kanti Santra
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
| | - Lei Tian
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
| | - Malin B Johansson
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
| | - Håkan Rensmo
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
| | - Erik M J Johansson
- Department of Chemistry-Ångström, Physical Chemistry and ‡Department of Physics and Astronomy, Molecular and Condensed Matter Physics, Uppsala University , 75120 Uppsala, Sweden
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Chen JL. Determination of tetracycline using imprinted polymethacrylates along with fluorescent CdTe quantum dots on plastic substrates. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2118-2] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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Zhang X, Aitola K, Hägglund C, Kaskela A, Johansson MB, Sveinbjörnsson K, Kauppinen EI, Johansson EMJ. Dry-Deposited Transparent Carbon Nanotube Film as Front Electrode in Colloidal Quantum Dot Solar Cells. CHEMSUSCHEM 2017; 10:434-441. [PMID: 27873480 DOI: 10.1002/cssc.201601254] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Indexed: 06/06/2023]
Abstract
Single-walled carbon nanotubes (SWCNTs) show great potential as an alternative material for front electrodes in photovoltaic applications, especially for flexible devices. In this work, a press-transferred transparent SWCNT film was utilized as front electrode for colloidal quantum dot solar cells (CQDSCs). The solar cells were fabricated on both glass and flexible substrates, and maximum power conversion efficiencies of 5.5 and 5.6 %, respectively, were achieved, which corresponds to 90 and 92 % of an indium-doped tin oxide (ITO)-based device (6.1 %). The SWCNTs are therefore a very good alternative to the ITO-based electrodes especially for flexible solar cells. The optical electric field distribution and optical losses within the devices were simulated theoretically and the results agree with the experimental results. With the optical simulations that were performed it may also be possible to enhance the photovoltaic performance of SWCNT-based solar cells even further by optimizing the device configuration or by using additional optical active layers, thus reducing light reflection of the device and increasing light absorption in the quantum dot layer.
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Affiliation(s)
- Xiaoliang Zhang
- Department of Chemistry-Ångström Laboratory, Physical Chemistry, Uppsala University, 75120, Uppsala, Sweden
| | - Kerttu Aitola
- Department of Chemistry-Ångström Laboratory, Physical Chemistry, Uppsala University, 75120, Uppsala, Sweden
| | - Carl Hägglund
- Department of Engineering Sciences, Solid State Electronics, Uppsala University, 75121, Uppsala, Sweden
| | - Antti Kaskela
- Department of Applied Physics, Nanomaterials Group, Aalto University, P.O. Box 15100, FI-00076, Aalto, Espoo, Finland
| | - Malin B Johansson
- Department of Chemistry-Ångström Laboratory, Physical Chemistry, Uppsala University, 75120, Uppsala, Sweden
| | - Kári Sveinbjörnsson
- Department of Chemistry-Ångström Laboratory, Physical Chemistry, Uppsala University, 75120, Uppsala, Sweden
| | - Esko I Kauppinen
- Department of Applied Physics, Nanomaterials Group, Aalto University, P.O. Box 15100, FI-00076, Aalto, Espoo, Finland
| | - Erik M J Johansson
- Department of Chemistry-Ångström Laboratory, Physical Chemistry, Uppsala University, 75120, Uppsala, Sweden
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