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Energy materials


Organic semiconductors for energy and electronics: from fundamental properties to devices

Organic semiconductors exhibit unique traits that make them attractive from the fundamental point of view as well as for a wide range of applications such as solar cells, thin-film transistors, sensors and thermoelectrics. This symposium aims to bring together key researchers in this field to discuss the main challenges towards the widespread application of organic electronics.


The past years have witnessed a tremendous progress in the development of novel organic materials that have continuously pushed the performance of traditional applications, such as OLEDs, OFETs and OPV, and simultaneously enable the emergence of innovative technologies, including organic thermoelectrics, conjugated polymer based batteries, and advanced sensors. Further development is expected to come from the combination of new fundamental concepts, in depth understanding of the physico-chemical properties and structure-property nexus, and optimization of devices, keeping an eye on the requirements for upscaling. We expect strong cross-fertilization during the symposium by providing transversal and multidisciplinary sessions centred around issues that are common to several different technologies.

The ability of charge carriers to flow through organic semiconductors is a key aspect for most applications, and it is strongly affected by the morphology of the solid film. The capability of tuning charge density through molecular doping is likewise vital, especially for n-type materials that underpin complementary logic, bulk heterojunction photovoltaics, all-polymer batteries and thermoelectric generators. Transport of heat also affects different technologies, from heat management in emitting devices, to phonon assisted electronic transport, and the figure of merit for thermoelectric materials.

The path towards commercialization involves challenges that again span across applications, including green synthesis and processing, device stability, or flexibility and conformability. Approaches that are currently gaining weight across material sciences, such as high throughput screening or application of data science, are also starting to root in this field.  Finally, all these features combined have resulted in of novel applications, including electrolyte-gated OFETs, polymer photocatalysis, artificial skin and neuromorphic devices.

Hot topics to be covered by the symposium:

  • Green chemistry and green processing
  • Charge transfer states and its role on device performance
  • Non-fullerene acceptors and ternary blends for organic photovoltaics
  • Phonon assisted charge transport/understanding charge transport
  • Thermal transport in organic semiconductors
  • Doping of organic semiconductors
  • Synthesis of n-type materials and dopants
  • Novel materials and fundamental concepts for highly efficient organic thermoelectrics
  • Device stability
  • Materials and architectures for organic electronics operating at high frequency
  • Ultraconformable electronics
  • High throughput methods and data science applied to organic electronics
  • Emerging applications, including EGOFETs, all-(conjugated)-polymer batteries, polymer photocatalysis, neuromorphic devices, advanced photodetectors, etc.

Confirmed invited speakers:

  • Jenny Nelson (Imperial College London, UK)
  • Henning Sirringhaus (University of Cambridge, UK)
  • Young-Yong Noh (POSTECH, South Korea)
  • Iain McCulloch (KAUST, Saudi Arabia)
  • Christine Luscombe (University of Washington, USA)
  • Michael Sommer (TU Chemnitz, Germany)
  • Barry Rand (Princenton University, USA)
  • Jana Zaumseil (University of Heidelberg, Germany)
  • Quyen Nguyen (UCSB, USA)
  • Christian Muller (Chalmers University of Technology, Sweden)
  • Sungjune Jung (POSTECH, South Korea)
  • Virgilio Mattoli (IIT Pontedera, Italy)
  • Koen Vandewal (University of Hasselt, Belgium)
  • Hin-Lap Yip (South China University of Technology, China)
  • Yana Vaynzof (University of Heidelberg, Germany)


Selected papers will be published in the journals Advanced Materials Technologies and Advanced Electronic Materials (Wiley-VCH).

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Symposium organizers
Derya BARANKing Abdullah University of Science and Technology (KAUST)

KAUST Solar Center (KSC) - Al Kindi (Building 5), Level 3, Office 3336 Thuwal 23955-6900, Kingdom of Saudi Arabia

+966 (0)12 808 7238
Hugo BRONSTEINUniversity of Cambridge

Department of Chemistry and Physics - Lensfield Road, Cambridge, CB2 1EW, U.K.

+44 1223 336697
Mariano CAMPOY QUILES (Main)Material Science Institute of Barcelona (ICMAB-CSIC)

Campus Universitat Autónoma de Barcelona - Bellaterra 08193, Spain

+34 935 801 853
Mario CAIRONICenter for Nano Science and Technology

Istituto Italiano di Tecnologia, Via Pascoli 70/3, 20133 Milano, Italy