Themed collection 13th International Symposium on Functional π-Electron Systems

9 items
Research Article

Tetraphenylpyrazine-based luminogens with full-colour emission

Full-colour emissive tetraphenylpyrazine-based luminogens are designed and prepared and their structure–photophysical property relationship is elaborated.

Graphical abstract: Tetraphenylpyrazine-based luminogens with full-colour emission
Research Article

6,6′-Diaryl-substituted biazulene diimides for solution-processable high-performance n-type organic semiconductors

High electron mobility derived from dense molecular packing induced by the dipolar moment of azulene units.

Graphical abstract: 6,6′-Diaryl-substituted biazulene diimides for solution-processable high-performance n-type organic semiconductors
Research Article

Aggregation-induced emission-mediated spectral downconversion in luminescent solar concentrators

Two dyes showing aggregation induced emission behaviour were examined for use as a light harvesting Förster resonance energy transfer pair in luminescent solar concentrators.

Graphical abstract: Aggregation-induced emission-mediated spectral downconversion in luminescent solar concentrators
Research Article

Enhancing the performance of the electron acceptor ITIC-Th via tailoring its end groups

We incorporate electron-donating methoxy and electron-withdrawing F groups onto the terminal groups in ITIC-Th, and investigate the effects of the substituents on the electronic properties, charge transport, film morphology, and photovoltaic properties of this series.

Graphical abstract: Enhancing the performance of the electron acceptor ITIC-Th via tailoring its end groups
Research Article

Cost-effective synthesis and solution processing of porous polymer networks through methanesulfonic acid-mediated aldol triple condensation

A highly efficient aldol triple condensation method was developed for scalable synthesis and solution processing of conjugated porous polymer networks.

Graphical abstract: Cost-effective synthesis and solution processing of porous polymer networks through methanesulfonic acid-mediated aldol triple condensation
Research Article

Highly sensitive, durable and stretchable plastic strain sensors using sandwich structures of PEDOT:PSS and an elastomer

A stretchable plastic strain sensor was fabricated, showing high sensitivity and a broad strain-sensing region with good durability.

Graphical abstract: Highly sensitive, durable and stretchable plastic strain sensors using sandwich structures of PEDOT:PSS and an elastomer
Research Article

Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas

The family of conjugated polymers known as polydiacetylenes (PDAs) has been extensively utilized in designing stimuli-responsive colorimetric and fluorometric sensors.

Graphical abstract: Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas
Research Article

Fluorescence visualization of crystal formation and transformation processes of organic luminogens with crystallization-induced emission characteristics

A real-time, on-site, nondestructive, fluorescence imaging technique has been reported to monitor the crystal formation and transformation processes of organic luminogens.

Graphical abstract: Fluorescence visualization of crystal formation and transformation processes of organic luminogens with crystallization-induced emission characteristics
Research Article

A large-bandgap small-molecule electron acceptor utilizing a new indacenodibenzothiophene core for organic solar cells

A large-bandgap molecular acceptor NIDBT utilizing a new heteroarene, indacenodibenzothiophene, featuring weak electron-donating ability, was designed and synthesized for organic solar cells.

Graphical abstract: A large-bandgap small-molecule electron acceptor utilizing a new indacenodibenzothiophene core for organic solar cells
9 items

About this collection

This collection, guest edited by Henry He Yan (Hong Kong University of Science and Technology), features selected articles from 13th International Symposium on Functional π-Electron Systems (Fπ-13), held in Hong Kong, China on June 04 - 09, 2017. Topics at the symposium include:

  • design and synthesis of new π-conjugated molecules and polymers
  • organic and polymeric semiconducting materials for thin film transistors
  • organic and polymeric photovoltaic and photo-detective materials and devices
  • organic light-emitting materials for display and lighting application
  • hybrid/perovskite materials and devices
  • conjugated polymers and oligomers in chemo/bio-sensors
  • bioelectronics

More articles will be added into the collection as soon as published.

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