共查询到20条相似文献,搜索用时 31 毫秒
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N‐Type 2D Organic Single Crystals for High‐Performance Organic Field‐Effect Transistors and Near‐Infrared Phototransistors
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Cong Wang Xiaochen Ren Chunhui Xu Beibei Fu Ruihao Wang Xiaotao Zhang Rongjin Li Hongxiang Li Huanli Dong Yonggang Zhen Shengbin Lei Lang Jiang Wenping Hu 《Advanced materials (Deerfield Beach, Fla.)》2018,30(16)
Organic field‐effect transistors and near‐infrared (NIR) organic phototransistors (OPTs) have attracted world's attention in many fields in the past decades. In general, the sensitivity, distinguishing the signal from noise, is the key parameter to evaluate the performance of NIR OPTs, which is decided by responsivity and dark current. 2D single crystal films of organic semiconductors (2DCOS) are promising functional materials due to their long‐range order in spite of only few molecular layers. Herein, for the first time, air‐stable 2DCOS of n‐type organic semiconductors (a furan‐thiophene quinoidal compound, TFT‐CN) with strong absorbance around 830 nm, by the facile drop‐casting method on the surface of water are successfully prepared. Almost millimeter‐sized TFT‐CN 2DCOS are obtained and their thickness is below 5 nm. A competitive field‐effect electron mobility (1.36 cm2 V?1 s?1) and high on/off ratio (up to 108) are obtained in air. Impressively, the ultrasensitive NIR phototransistors operating at the off‐state exhibit a very low dark current of ≈0.3 pA and an ultrahigh detectivity (D*) exceeding 6 × 1014 Jones because the devices can operate in full depletion at the off‐state, superior to the majority of the reported organic‐based NIR phototransistors. 相似文献
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Eric Daniel Głowacki Mihai Irimia‐Vladu Martin Kaltenbrunner Jacek Gsiorowski Matthew S. White Uwe Monkowius Giuseppe Romanazzi Gian Paolo Suranna Piero Mastrorilli Tsuyoshi Sekitani Siegfried Bauer Takao Someya Luisa Torsi Niyazi Serdar Sariciftci 《Advanced materials (Deerfield Beach, Fla.)》2013,25(11):1563-1569
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H‐Shaped Oligofluorenes for Highly Air‐Stable and Low‐Threshold Non‐Doped Deep Blue Lasing
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Yan Qian Qi Wei Gonzalo Del Pozo Marta M. Mróz Larry Lüer Santiago Casado Juan Cabanillas‐Gonzalez Qi Zhang Linghai Xie Ruidong Xia Wei Huang 《Advanced materials (Deerfield Beach, Fla.)》2014,26(18):2937-2942
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2,1,3‐Benzothiadiazole‐5,6‐Dicarboxylic Imide – A Versatile Building Block for Additive‐ and Annealing‐Free Processing of Organic Solar Cells with Efficiencies Exceeding 8%
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Christian B. Nielsen Raja Shahid Ashraf Neil D. Treat Bob C. Schroeder Jenny E. Donaghey Andrew J. P. White Natalie Stingelin Iain McCulloch 《Advanced materials (Deerfield Beach, Fla.)》2015,27(5):948-953
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Weiwei Sun Xuxu Tang Qinsi Yang Yi Xu Fan Wu Siyu Guo Yanfeng Zhang Minghong Wu Yong Wang 《Advanced materials (Deerfield Beach, Fla.)》2019,31(37)
Covalent organic frameworks (COF) or metal–organic frameworks have attracted significant attention for various applications due to their intriguing tunable micro/mesopores and composition/functionality control. Herein, a coordination‐induced interlinked hybrid of imine‐based covalent organic frameworks and Mn‐based metal–organic frameworks (COF/Mn‐MOF) based on the Mn? N bond is reported. The effective molecular‐level coordination‐induced compositing of COF and MOF endows the hybrid with unique flower‐like microsphere morphology and superior lithium‐storage performances that originate from activated Mn centers and the aromatic benzene ring. In addition, hollow or core–shell MnS trapped in N and S codoped carbon (MnS@NS‐C‐g and MnS@NS‐C‐l) are also derived from the COF/Mn‐MOF hybrid and they exhibit good lithium‐storage properties. The design strategy of COF–MOF hybrid can shed light on the promising hybridization on porous organic framework composites with molecular‐level structural adjustment, nano/microsized morphology design, and property optimization. 相似文献
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A New Fullerene‐Free Bulk‐Heterojunction System for Efficient High‐Voltage and High‐Fill Factor Solution‐Processed Organic Photovoltaics
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Zheng Tang Bo Liu Armantas Melianas Jonas Bergqvist Wolfgang Tress Qinye Bao Deping Qian Olle Inganäs Fengling Zhang 《Advanced materials (Deerfield Beach, Fla.)》2015,27(11):1900-1907
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