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Semiconducting Conj...
Semiconducting Conjugated Coordination Polymer with High Charge Mobility Enabled by "4+2" Phenyl Ligands
- Artikel/kapitelEngelska2023
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2023-01-20
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AMER CHEMICAL SOC,2023
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-324461
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-324461URI
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https://doi.org/10.1021/jacs.2c11511DOI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:art swepub-publicationtype
Anmärkningar
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QC 20230315
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Electrically conductive coordination polymers and metal-organic frameworks are attractive emerging electroactive materials for (opto-)electronics. However, developing semiconducting coordination polymers with high charge carrier mobility for devices remains a major challenge, urgently requiring the rational design of ligands and topological networks with desired electronic structures. Herein, we demonstrate a strategy for synthesizing high-mobility semiconducting conjugated coordination polymers (c-CPs) utilizing novel conjugated ligands with D2h symmetry, namely, "4 + 2" phenyl ligands. Compared with the conventional phenyl ligands with C6h symmetry, the reduced symmetry of the "4 + 2" ligands leads to anisotropic coordination in the formation of c-CPs. Consequently, we successfully achieve a single-crystalline three-dimensional (3D) c-CP Cu4DHTTB (DHTTB = 2,5-dihydroxy-1,3,4,6-tetrathiolbenzene), containing orthogonal ribbon-like pi-d conjugated chains rather than 2D conjugated layers. DFT calculation suggests that the resulting Cu4DHTTB exhibits a small band gap (similar to 0.2 eV), strongly dispersive energy bands near the Fermi level with a low electron-hole reduced effective mass (similar to 0.2m0*). Furthermore, the four-probe method reveals a semiconducting behavior with a decent conductivity of 0.2 S/cm. Thermopower measurement suggests that it is a p-type semiconductor. Ultrafast terahertz photoconductivity measurements confirm Cu4DHTTB's semiconducting nature and demonstrate the Drude-type transport with high charge carrier mobilities up to 88 +/- 15 cm2 V-1 s-1, outperforming the conductive 3D coordination polymers reported till date. This molecular design strategy for constructing high-mobility semiconducting c-CPs lays the foundation for achieving high-performance c-CP-based (opto-)electronics.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Fu, ShuaiMax Planck Inst Polymer Res, D-55128 Mainz, Germany.
(författare)
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Lin, CongHong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Peoples R China.
(författare)
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Lu, YangTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Wang, MingchaoTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Zhang, PengTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Huang, ChuanhuiTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Li, ZichaoHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany.
(författare)
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Liao, ZhongquanFraunhofer Inst Ceram Technol & Syst IKTS, D-01109 Dresden, Germany.
(författare)
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Zou, YeChinese Acad Sci, Inst Chem, Lab Organ Solids, Beijing 100190, Peoples R China.
(författare)
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Li, JianKTH,Fiberteknologi(Swepub:kth)u1j9qiul
(författare)
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Zhou, ShengqiangHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany.
(författare)
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Helm, ManfredHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany.
(författare)
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St Petkov, PetkoUniv Sofia, Fac Chem & Pharm, Sofia 1164, Bulgaria. Tech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Heine, ThomasTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.
(författare)
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Bonn, MischaMax Planck Inst Polymer Res, D-55128 Mainz, Germany.
(författare)
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Wang, Hai I.Max Planck Inst Polymer Res, D-55128 Mainz, Germany.
(författare)
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Feng, XinliangTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.;Max Planck Inst Polymer Res, D-55128 Mainz, Germany.
(författare)
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Dong, RenhaoTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany.;Shandong Univ, Sch Chem & Chem Engn, Key Lab Colloid & Interface Chem, Minist Educ, Jinan 250100, Peoples R China.
(författare)
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Max Planck Inst Polymer Res, D-55128 Mainz, Germany.Hong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Peoples R China.
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of the American Chemical Society: AMER CHEMICAL SOC145:4, s. 2430-24380002-78631520-5126
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Till lärosätets databas
- Av författaren/redakt...
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Huang, Xing
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Fu, Shuai
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Lin, Cong
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Lu, Yang
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Wang, Mingchao
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Zhang, Peng
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visa fler...
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Huang, Chuanhui
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Li, Zichao
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Liao, Zhongquan
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Zou, Ye
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Li, Jian
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Zhou, Shengqiang
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Helm, Manfred
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St Petkov, Petko
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Heine, Thomas
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Bonn, Mischa
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Wang, Hai I.
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Feng, Xinliang
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Dong, Renhao
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visa färre...
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