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  • Huang, Xing (author)

Semiconducting Conjugated Coordination Polymer with High Charge Mobility Enabled by "4+2" Phenyl Ligands

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023-01-20
  • AMER CHEMICAL SOC,2023
  • printrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:kth-324461
  • https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-324461URI
  • https://doi.org/10.1021/jacs.2c11511DOI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • QC 20230315
  • 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.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Fu, ShuaiMax Planck Inst Polymer Res, D-55128 Mainz, Germany. (author)
  • Lin, CongHong Kong Polytech Univ, Dept Mech Engn, Hong Kong, Peoples R China. (author)
  • Lu, YangTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany. (author)
  • Wang, MingchaoTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany. (author)
  • Zhang, PengTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany. (author)
  • Huang, ChuanhuiTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany. (author)
  • Li, ZichaoHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany. (author)
  • Liao, ZhongquanFraunhofer Inst Ceram Technol & Syst IKTS, D-01109 Dresden, Germany. (author)
  • Zou, YeChinese Acad Sci, Inst Chem, Lab Organ Solids, Beijing 100190, Peoples R China. (author)
  • Li, JianKTH,Fiberteknologi(Swepub:kth)u1j9qiul (author)
  • Zhou, ShengqiangHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany. (author)
  • Helm, ManfredHelmholtz Zentrum Dresden Rossendorf, Inst Ion Beam Phys & Mat Res, D-01328 Dresden, Germany. (author)
  • 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. (author)
  • Heine, ThomasTech Univ Dresden, Fac Chem & Food Chem, Ctr Adv Elect Dresden cfaed, D-01062 Dresden, Germany. (author)
  • Bonn, MischaMax Planck Inst Polymer Res, D-55128 Mainz, Germany. (author)
  • Wang, Hai I.Max Planck Inst Polymer Res, D-55128 Mainz, Germany. (author)
  • 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. (author)
  • 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. (author)
  • 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)

Related titles

  • In:Journal of the American Chemical Society: AMER CHEMICAL SOC145:4, s. 2430-24380002-78631520-5126

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