2019
DOI: 10.1002/anie.201814439
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The Emergence of Organic Single‐Crystal Electronics

Abstract: Organic semiconducting single crystals are perfect for both fundamental and application‐oriented research due to the advantages of free grain boundaries, few defects, and minimal traps and impurities, as well as their low‐temperature processability, high flexibility, and low cost. Carrier mobilities of greater than 10 cm2 V−1 s−1 in some organic single crystals indicate a promising application in electronic devices. The progress made, including the molecular structures and fabrication technologies of organic s… Show more

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Cited by 189 publications
(145 citation statements)
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References 295 publications
(334 reference statements)
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“…As a comparison, recently reported photoconductive two-dimensional (2D) films of phosphine-thiolate-stabilized Au 25 clusters 36 showed ON/OFF ratio of about 50 000 for V SD = 6 V, charge carrier mobility approaching 10 −5 cm 2 V −1 s −1 at V SD = 20 V, and n-type field effect. The mobility of our polymeric crystal of nanoclusters is in the range of traditional p-type single-crystal organic semiconductors 56 and close to the mobility of supercrystal of CdSe Quantum Dots (Supplementary Table 6) 57,58 . We further note that the conductivity (1.49 × 10 -5 S m −1 , see above) of our crystals in the c-crystallographic axis is one to three orders of magnitude higher than the values reported recently for thiolate-stabilized 1D assemblies of Au 21 clusters 26 where 1D "nanofibrils" of the clusters were formed by modulating the weak interactions between the ligand layers of the clusters.…”
Section: And 5b and Supplementarymentioning
confidence: 51%
“…As a comparison, recently reported photoconductive two-dimensional (2D) films of phosphine-thiolate-stabilized Au 25 clusters 36 showed ON/OFF ratio of about 50 000 for V SD = 6 V, charge carrier mobility approaching 10 −5 cm 2 V −1 s −1 at V SD = 20 V, and n-type field effect. The mobility of our polymeric crystal of nanoclusters is in the range of traditional p-type single-crystal organic semiconductors 56 and close to the mobility of supercrystal of CdSe Quantum Dots (Supplementary Table 6) 57,58 . We further note that the conductivity (1.49 × 10 -5 S m −1 , see above) of our crystals in the c-crystallographic axis is one to three orders of magnitude higher than the values reported recently for thiolate-stabilized 1D assemblies of Au 21 clusters 26 where 1D "nanofibrils" of the clusters were formed by modulating the weak interactions between the ligand layers of the clusters.…”
Section: And 5b and Supplementarymentioning
confidence: 51%
“…[1][2][3][4] These assets favor organic crystals for a broad range of applications, including light-emitting devices, [5] organic field-effect transistors, [6] photodetectors, [7] photovoltaic cells, [8] thermochemiluminescent materials, [9] solid-state lasers, [10] and optical waveguides. [11][12][13] This latter research direction is particularly prolific, given the increasing number of challenges for secure transfer of information in multiple waveguides, a feature that is of paramount importance for fabrication of optical circuits, is currently only possible by mechanical coupling of different crystals in tip-to-tip or crossed geometries. Unfortunately, this leads to optical leakage and drastic decrease of light intensity due to poor coupling and elastic and inelastic light scattering.…”
Section: Introductionmentioning
confidence: 99%
“…In addition, to reduce the charge traps especially electron traps at the dielectric layer of SiO 2 for efficient charge transport, a thin buffer layer of nonpolar polymethyl methacrylate (PMMA) is introduced in the construction of DPA‐ and dNaAnt‐based OLETs. Meanwhile, single crystals of DPA and dNaAnt are preferentially used as the active layers in devices considering the excellent electronic and photonic properties of organic semiconductors in crystalline states …”
mentioning
confidence: 99%