Article
Chemistry, Multidisciplinary
Marc-Antoine Stoeckel, Yoann Olivier, Marco Gobbi, Dmytro Dudenko, Vincent Lemaur, Mohamed Zbiri, Anne A. Y. Guilbert, Gabriele D'Avino, Fabiola Liscio, Andrea Migliori, Luca Ortolani, Nicola Demitri, Xin Jin, Young-Gyun Jeong, Andrea Liscio, Marco-Vittorio Nardi, Luca Pasquali, Luca Razzari, David Beljonne, Paolo Samori, Emanuele Orgiu
Summary: Charge transport in organic semiconductors is highly sensitive to disorder, especially in n-type materials, due to internal dynamic disorder caused by thermal fluctuations and molecular vibrations. This disorder can lead to transient localization of charge carriers.
ADVANCED MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Emilia Benvenuti, Giuseppe Portale, Marco Brucale, Santiago D. Quiroga, Matteo Baldoni, Roderick C. I. MacKenzie, Francesco Mercuri, Sofia Canola, Fabrizia Negri, Nicolo Lago, Marco Buonomo, Andrea Pollesel, Andrea Cester, Massimo Zambianchi, Manuela Melucci, Michele Muccini, Stefano Toffanin
Summary: A study on organic field-effect transistors (OFETs) reveals that the out-of-plane domain size and crystallite orientation in the vertical direction have a direct correlation with charge mobility and source-drain current. Polycrystalline films with a 3D molecular architecture provide the best electrical and optoelectronic characteristics, highlighting the importance of molecular orientational order in achieving optimum device performance.
ADVANCED ELECTRONIC MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Junfeng Guo, Yan Zeng, Yonggang Zhen, Hua Geng, Zongrui Wang, Yuanping Yi, Huanli Dong, Wenping Hu
Summary: This study utilized non-equal ratio cocrystal engineering to construct cocrystals with more appropriate packing structure through hydrogen bonds and donor-acceptor interactions, leading to an improved carrier mobility of organic semiconductors.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Multidisciplinary
Wei-Yang Chou, Po-Hsiang Fang, Fu-Chiao Wu, Yi-Chen Tien, Hwo-Shuenn Sheu, Horng-Long Cheng, Jrjeng Ruan
Summary: This study explored the fabrication and crystallization of low-voltage-driven organic field-effect transistors (OFETs) using an organic polymer as the active layer. Crystalline PBTTT-C-14 with excellent electrical performance was obtained through a thermal gradient system, demonstrating the importance of microstructure in determining the opto-electronic properties of polymer semiconductors.
CRYSTAL GROWTH & DESIGN
(2022)
Article
Polymer Science
Rui Li, Zhicheng Dai, Meng Zheng, Cheng Wang, Zhifeng Deng, Tao Zhuang, Kui Feng, Wenjun Yang, Kun Yang, Haichang Zhang
Summary: In this study, two donor-acceptor-type polymers (P-BDF and P-NDF) based on benzodifuranone (BDF) and naphthodifunarone (NDF) were designed and synthesized with different backbone structures. It was found that the planar backbone conformation of P-BDF led to superior charge transport performance compared to P-NDF. The results suggest that the main chain coplanarity of polymer semiconductors is more essential than the sole extension of pi-conjugations.
MACROMOLECULAR RAPID COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Jian Zhang, Gabriela Borin Barin, Roman Furrer, Cheng-Zhuo Du, Xiao-Ye Wang, Klaus Muellen, Pascal Ruffieux, Roman Fasel, Michel Calame, Mickael L. Perrin
Summary: Bottom-up synthesized graphene nanoribbons (GNRs) are of interest due to their atomically controlled structure and customizable physical properties. However, understanding the relationship between cryogenic charge transport and the number of GNRs in a device is challenging due to lack of precise control over GNR length and location.
Article
Chemistry, Multidisciplinary
Chuan Liu, Xiaojie Li, Yiyang Luo, Ya Wang, Sujuan Hu, Chenning Liu, Xiaoci Liang, Hang Zhou, Jun Chen, Juncong She, Shaozhi Deng
Summary: This study presents a new physical picture to understand the conduction mechanisms of advanced FETs with nontrivial gates and hybrid integrations. It proposes an indicator based on material and device factors for characterizing the transport and derives a unified and simplified solution for describing the current-voltage relations, current saturation, channel potentials, and drift field. The concise and unified solution provides general rules for quick understanding and designing of these complex, innovative devices.
Article
Chemistry, Multidisciplinary
Lucia Feriancova, Marek Cigan, Katarina Gmucova, Jozef Kozisek, Vojtech Nadazdy, Martin Putala
Summary: A series of ten 2-naphthyl and 2-anthrylbithiophene derivatives with electron acceptor groups were synthesized, and the effects of various electron-withdrawing groups on their properties were investigated. The study showed that different functional groups can modulate the LUMO level and energy gap of the derivatives, and TD-DFT calculations helped to understand electronic transitions.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Nanoscience & Nanotechnology
Kaichen Gu, Yucheng Wang, Ruipeng Li, Esther Tsai, Jonathan W. Onorato, Christine K. Luscombe, Rodney D. Priestley, Yueh-Lin Loo
Summary: Thermal annealing of P3HT thin films generally increases their crystallinity and coherence length, but can reduce transistor mobility at high temperatures. The tie-chain pullout phenomenon may govern charge transport during crystal growth and perfection, particularly in low-molecular-weight systems.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Engineering, Electrical & Electronic
Hyunseok Shim, Kyoseung Sim, Binghao Wang, Yongcao Zhang, Shubham Patel, Seonmin Jang, Tobin J. J. Marks, Antonio Facchetti, Cunjiang Yu
Summary: An elastomer-semiconductor-elastomer stack structure is used to stretch a brittle n-type organic semiconductor by 50% and create fully stretchable complementary electronics. This development opens up possibilities for elastic integrated electronics in applications requiring interfaces with soft biological tissue. By integrating the brittle n-type semiconductor into the stack structure, microcrack formation and propagation are suppressed, and the semiconductor can be stretched without significant loss in performance. The stack structure also improves the long-term stability of the semiconductor in ambient environments, enabling the creation of elastic transistors, logic gates, photodetectors, and an active matrix deformable imager.
NATURE ELECTRONICS
(2023)
Article
Chemistry, Applied
Zhicheng Dai, Jingshu Tian, Jianhui Li, Maning Liu, Paola Vivo, Haichang Zhang
Summary: The synthesis of conjugated materials with the ability of self-assembling and the introduction of a thymine group into the donor units of the polymer have been shown to enhance the optoelectronic properties of organic semiconductors by promoting the formation of hydrogen-bonded superstructures and increasing the intermolecular charge transfer. The resulting organic field-effect transistors demonstrated significantly improved hole mobility.
Article
Chemistry, Multidisciplinary
Huanhuan Liang, Cheng Liu, Zesheng Zhang, Xuncheng Liu, Quanfeng Zhou, Guohui Zheng, Xiu Gong, Lan Xie, Chen Yang, Lianjie Zhang, Bo He, Junwu Chen, Yi Liu
Summary: The quinoid-donor-acceptor (Q-D-A) strategy shows promise in constructing high mobility semiconducting polymers. This study synthesized and characterized new polymers with different electron acceptor units and backbone coplanarity to explore the potential of this strategy. Q-D-A polymers exhibited more planar backbone conformations than their donor-acceptor (D-A) counterparts. Organic field-effect transistors based on Q-D-A polymers demonstrated excellent effective hole mobilities, which were significantly higher than those of D-A polymers. The role of electron acceptors in Q-D-A polymers was comprehensively investigated, revealing increased film crystallinity, smaller effective hole masses, and improved operational stability for polymers with stronger acceptor units. This study provides valuable insights into the structure-property-device performance relationship for high performance semiconducting polymers using the Q-D-A strategy.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Okan Yildiz, Zuyuan Wang, Michal Borkowski, George Fytas, Paul W. M. Blom, Jasper J. Michels, Wojciech Pisula, Tomasz Marszalek
Summary: The study investigates the effects of casting speed and solute concentration on the crystallization of C8-BTBT during MGC, identifying three morphological subregimes. Increasing solute concentration does not change the morphologies but affects transition velocities. Numerical simulations explain the optimal processing window for organic field-effect transistors.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Panpan Yu, Yang Li, Huijuan Zhao, Lingyun Zhu, Yongshuai Wang, Wei Xu, Yonggang Zhen, Xinran Wang, Huanli Dong, Daoben Zhu, Wenping Hu
Summary: The study focuses on organic ambipolar semiconductors and successfully synthesizes four 1D mixed-stack cocrystals using electron donor-acceptor alternative stacking. These cocrystals exhibit high electron mobility and balanced hole mobility, showing potential for the development of organic ambipolar semiconductors.
Article
Polymer Science
Yafei Ding, Yingman Zhu, Heng Wang, Yunfei Wang, Xiaodan Gu, Xiaohong Wang, Longzhen Qiu
Summary: Blending semiconductor polymers with insulator polymers is an effective strategy for preparing high-performance stretchable electronics. Optimizing the solution-processable technique and controlling the semiconductor molecular weight are promising strategies for developing blend films with good electrical and mechanical properties.
Article
Chemistry, Organic
Bruno Salgues, Rudraditya Sarkar, Muhammad Luthfi Fajri, Yatzil Alejandra Avalos-Quiroz, Anne-Doriane Manick, Michel Giorgi, Nicolas Vanthuyne, Yannick Carissan, Christine Videlot-Ackermann, Jorg Ackermann, Gabriel Canard, Jean-Luc Parrain, Boris Le Guennic, Denis Jacquemin, Muriel Amatore, Laurent Commeiras, Elena Zaborova, Frederic Fages
Summary: The novel di(benz[f]indenone)-fused tetraazaanthracene derivative synthesized in this study showed strong electron-accepting character, making it attractive for the generation of n-channel semiconducting materials. It exhibited electron transport in organic field effect transistors and demonstrated potential as an electron acceptor material in organic solar cells.
JOURNAL OF ORGANIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Yanran Li, Kai Yin, Yu Diao, Mei Fang, Junliang Yang, Jian Zhang, Hongtao Cao, Xiaoliang Liu, Jie Jiang
Summary: In this study, a simple ionotronic junctionless oxide transistor array with pain-perception abilities is successfully realized. The researchers simulated important pain-perception characteristics of nociceptors and established a graded pain-perception network system. This work may open new avenues for bionic medical machines and humanoid robots.
Article
Materials Science, Multidisciplinary
Yang Zhang, Zheling Zhang, Guanshui Xie, Zhenying Su, Zhengqi Deng, Jian Liu, Dongjie Wang, Yu Huang, Jian Zhang
Summary: The research successfully incorporated 6-aminocaproic acid into sol-gel-derived zinc oxide to form 6-ACA-ZnO, which can be used as a cathodic interface layer in polymer solar cells, effectively improving their performance. The 6-ACA-ZnO demonstrated enhanced electron extraction efficiency and reduced carrier recombination loss, leading to a higher power conversion efficiency compared to devices using pristine ZnO.
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Chenxing Jin, Wanrong Liu, Yunchao Xu, Yulong Huang, Yiling Nie, Xiaofang Shi, Gengming Zhang, Pei He, Jian Zhang, Hongtao Cao, Jia Sun, Junliang Yang
Summary: This paper presents the design of an optoelectrical In2O3 transistor array with a negative photoconductivity behavior and the simulation of an artificial visual perception system capable of self-adapting to environmental lightness using this device array. This study provides valuable insights for the future development of neuromorphic electronics.
Article
Chemistry, Physical
Yuanji Gao, Keqing Huang, Caoyu Long, Yang Ding, Jianhui Chang, Dou Zhang, Lioz Etgar, Mingzhen Liu, Jian Zhang, Junliang Yang
Summary: In this article, recent progress in flexible perovskite solar cells (f-PSCs) is reviewed, including flexible substrates, flexible transparent electrodes, performance optimization, large-scale fabrication techniques, and flexibility enhancement strategies. The potential applications and future development prospects of f-PSCs are also discussed.
ACS ENERGY LETTERS
(2022)
Article
Chemistry, Applied
Claire Tonnele, Manon Catherin, Michel Giorgi, Gabriel Canard, David Casanova, Frederic Castet, Elena Zaborova, Frederic Fages
Summary: This study describes the synthesis and spectroscopic study of a bichromophoric molecule, DA-meso. It was found that the molecule could self-assemble in solution and exhibit significant changes in its optical properties. Experimental and theoretical analysis showed that DA-meso formed a dimer composed of four BF2-curcuminoid units. The spectral features of the DA-meso dimer were rationalized by considering the formation of a non-fluorescent J-aggregate.
Article
Nanoscience & Nanotechnology
Xiaoling Ma, Wenjing Xu, Zhongyuan Liu, Sang Young Jeong, Chunyu Xu, Jian Zhang, Han Young Woo, Zhengji Zhou, Fujun Zhang
Summary: In this work, layer-by-layer (LbL) polymer solar cells (PSCs) with the incorporation of a dissociation strengthening layer (DSL) were constructed using wide-bandgap donor D18-Cl and narrow-bandgap nonfullerene acceptor Y6. The efficiency of LbL PSCs was enhanced by introducing the DSL, resulting in a PCE improvement from 17.62% to 18.15%. The DSL incorporation strategy also showed improved performance in D18-Cl/L8-BO- or D18-Cl/N3-based LbL PSCs, indicating its universality in enhancing PCE.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Hao Guan, Qiaogan Liao, Tianhuan Huang, Shuang Geng, Ziliang Cao, Zheling Zhang, Dongjie Wang, Jian Zhang
Summary: Additive strategies are crucial for improving the performance of organic solar cells (OSCs). This study focuses on the application of a solid additive, BTA3, in PM6:BTP-eC9-based OSCs, resulting in a high energy conversion efficiency of 18.65%. BTA3 improves compatibility with the acceptor component, optimizes film morphology, promotes exciton dissociation and charge transfer, and suppresses charge recombination.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Nanoscience & Nanotechnology
Luyu Cao, Si-Min Gu, Bomei Liu, Lin Huang, Jian Zhang, Yiwen Zhu, Jing Wang
Summary: A facile room-temperature co-precipitation method using ethanol solvent and salicylic acid additive is proposed for synthesizing highly stable cubic phase CsSnBr3 perovskite. The protection effect of ethanol and salicylic acid prevents oxidation of Sn(2+) and stabilizes the perovskite material. The synthesized CsSnBr3 perovskite exhibits exceptional stability under moist air conditions.
ACS APPLIED MATERIALS & INTERFACES
(2023)
Article
Chemistry, Physical
Chenshu Wu, Dongjie Wang, Yiwen Chen, Zheling Zhang, Longbo Wang, Bin She, Jian Xiong, Wenfa Xie, Yu Huang, Jian Zhang
Summary: Printable mesoscopic perovskite solar cells (p-MPSCs) have attracted global attention due to their low cost and simple manufacturing process, but their application is limited by low power conversion efficiency (PCE). This study proposes a strategy to enhance PCE by introducing 1-benzyl-3-methylimidazolium chloride (BZMIMCl) ionic liquid into the perovskite precursor. The BZMIMCl ionic liquid improves the crystallization of perovskite films, modulates energy band alignment, and enhances carrier transport, resulting in improved photovoltaic parameters and stability. The optimized device achieved a champion PCE of 16.06% and maintained 89.6% of its maximum value after 60 days in an atmospheric environment.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Physical
Tianhuan Huang, Zheling Zhang, Dongjie Wang, Yang Zhang, Zhengqi Deng, Yu Huang, Qiaogan Liao, Jian Zhang
Summary: In this study, ternary organic solar cells (OSCs) were prepared using polymer PM6 as a donor and two non-fullerene materials, BTP-eC9 and ITIC-Th, as acceptors. The incorporation of ITIC-Th in the OSCs led to a monotonically increasing open-circuit voltage (VOC) and effectively minimized energy loss. The optimal ternary OSCs with 15 wt% ITIC-Th achieved a remarkable power conversion efficiency (PCE) of 18.7%, indicating the potential of employing a ternary strategy with two compatible non-fullerene materials as acceptors to further improve OSC performance.
ACS APPLIED ENERGY MATERIALS
(2023)
Article
Chemistry, Multidisciplinary
Tianhuan Huang, Zheling Zhang, Qiaogan Liao, Dongjie Wang, Yang Zhang, Shuang Geng, Hao Guan, Ziliang Cao, Yu Huang, Jian Zhang
Summary: In this study, ternary organic solar cells (TOSCs) were fabricated using PM6:L8-BO as the main system and non-fullerene acceptor IDIC as the third component. The addition of IDIC significantly enhanced the performance of TOSCs by optimizing the morphology of blended films and forming interpenetrating nanostructure. The improved film morphology facilitated exciton dissociation and collection, resulting in increased short-circuit current density (J(SC)) and fill factor (FF). By optimizing the IDIC content, TOSCs achieved a power conversion efficiency (PCE) of 18.9%. Furthermore, TOSCs exhibited higher J(SC) and FF compared to PM6:L8-BO-based organic solar cells (OSCs), and the long-term stability of the OSCs was improved by the addition of IDIC. TOSCs with a large effective area of 1.00 cm(2) were prepared, demonstrating a PCE of 12.4%. These findings suggest that modifying the amount of the third component can be a useful strategy to construct high-efficiency TOSCs with practical application potential.
Article
Chemistry, Physical
Longbo Wang, Jian Xiong, Dongjie Wang, Yiwen Chen, Yang Zhang, Chenshu Wu, Zheling Zhang, Jing Wang, Yu Huang, Jian Zhang
Summary: Adding potassium hexafluorophosphate can improve the crystallinity, reduce defects, fill the perovskite material, and enhance hydrophobicity in fully-printed mesoscopic perovskite solar cells, resulting in enhanced photoelectric performance and stability.
SUSTAINABLE ENERGY & FUELS
(2023)
Article
Chemistry, Physical
Zheling Zhang, Yang Zhang, Zhenqi Deng, Tianhuan Huang, Dongjie Wang, Xiaoling Zhang, Qiaogan Liao, Jian Zhang
Summary: This study demonstrates an effective approach to improve the device performance of organic solar cells (OSCs) by introducing a suitable second acceptor. By adding IT-M, a third component with a medium bandgap, to the blend film, the photovoltaic performance of OSCs was enhanced. The addition of IT-M improved blend film morphology, leading to enhanced light absorption, exciton dissociation, and suppressed charge recombination. The compatibility between IT-M and BTP-eC9 resulted in optimized phase separation and energy level alignment, facilitating balanced charge transport. A small amount of IT-M was sufficient to achieve desirable blend film phase separation and molecular stacking, forming interconnected and continuous network structures. The optimized OSCs achieved an impressive power conversion efficiency of 18.73% and improved overall photovoltaic performance parameters.
JOURNAL OF MATERIALS CHEMISTRY A
(2023)
