Lisboa, July 2, Bioelectronics. Luís Alcácer. 2005, it - instituto de telecomunicações. Todos os direitos reservados.

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1 Lisboa, July 2, 2012 Luís Alcácer 2005, it - instituto de telecomunicações. Todos os direitos reservados.

2 Outline Organic Organic Nanoelectronics Molecular Electronics 2 July 2, 2012 Lisboa

3 Sensu lato Sensu stricto Multidisciplinary nature of organic bioelectronics research 3 July 2, 2012 Lisboa

4 Integrated systems of bio- and electronic components for biolelectronic applications 4 July 2, 2012 Lisboa

5 Organic Electronics (a new paradigm) Microelectronics (Si) Integrated Microsystems Gordon Moore Agressive Miniaturization Nanoelectronics Organic Electronics (flexible, low-cost) Integrated microsystems, plastic electronics and molecular electronics willl evolve in parallel and mixing with the main trend. Single Electron Transisors Molecular Electronics 5 July 2, 2012 Lisboa

6 Materials vs Carrier Mobility & Applications Fab: million Organics Fab: 20 million (Roll to Roll printing) Making electronic circuits will be almost as inexpensive and easy as printing papers 6 July 2, 2012 Lisboa

7 Organic and Activities at IT Design and synthesis of organic (plastic) semiconductors Manufacture and characterization of organic electronic components Transistors (OFETs) Light emitting diodes (OLEDs) Solar cells and concentrators (OPVs) Plastic solar cell OFET on biocellulose Non-volatile resistive memories Dopants for plastic optical fibers BioFETs: Transistors to measure living cells Implantable organic nanoelectronics OLED Plastic optical fiber Molecular Electronics Molecular wires Implantable organic nanoelectronic devices 7 July 2, 2012 Lisboa

8 Activities at IT Organic Transistors Printed on Biocellulose Biocellulose film (Thickness = 50 µm) AFM image ( roughness: 40 nm) Totally organic OFET printed on biocellulose Biocellulose/PEDOT/F8T2/HCH+BC5%/PEDOT Channel - length width: 70 µm 4 mm I-V characteristics 8 July 2, 2012 Lisboa

9 I d (µa) 12 Activities at IT Organic transistors using chitosan as support and dielectric A Chitosan is a natural polymer used in medical applications. Biocompatible flexible organic transistors can be used in applications ranging from disposable systems to biosensors. Chitosan can be modified to use in ionic transistors. 9 0 S G D CS -5 July 2, 2012 Lisboa Semiconductor I d (µa) -10 V (V) sd Vg=-20V A 0 S G D Vg=-20V Semiconductor CS Vg=-10V Vg=0V -10 V sd (V) Vg=-10V -15 Vg=0V

10 Inkjet printed electronics Antenna Layout and result of inkjet printed work Dimatix inkjet printer for organic electronics Capacity to produce hybrid systems containing printed and off the shelf components 10 July 2, 2012 Lisboa Totally printed OFET

11 Activities at IT BioFET: OFETs to measure living cells Living cells Electronic sensor 11 July 2, 2012 Lisboa

12 Activities at IT (U. Algarve) I-ONE Implantable Organic nano-electronics The vision of I- ONE is: to exploit flexible organic electronics for the development and tes6ng of Ac6ve Mul6func6onal Implantable Devices to treat Spinal Cord Injury. 12 July 2, 2012 Lisboa

13 Activities at IT (U. Algarve) I-ONE FP7 Implantable Organic Nanoelectronics The circuit will be a set of organic transistors on top of which a neuron culture is placed. The neurons will be guided to grow along the transistors surface. The transistors in contact with the neurons will have various functions aiming at the stimulation of the growth of nervous tissue (nerve) which will link to the extremities of the damaged nerve. Arrays of transistors with microfluidic channels to deliver biochemical stimulus Growth and alignment of neurons on top of transistors. Nerve stimulation and repair. 13 July 2, 2012 Lisboa

14 Activities at IT (U. Algarve) I-ONE FP7 Implantable Organic Nano-Electronics Prototypes Layout of the transistors and photos of prototype devices 14 July 2, 2012 Lisboa

15 Molecular Electronics Manipulation of atoms and moleclues to fabricate components with nanometer dimensions. 25 molecules linked to each other to form a conductive molecular wire High resolution STM image of a molecular layer and scheme of the orientation of individual molecules on the surface of graphite pattern size 1 nm AFM/STM: High potentialities for bioelectronics 15 July 2, 2012 Lisboa

16 The Organic Electronics group Algarve team: Asal Kiazadeh, Paulo Rocha, Henrique Gomes, e Qian Chen Lisbon team, from left to right: Tânia Braz, Luís Alcácer, Rui Henriques, Ana Pereira, Ana Bragança, Rita Rodrigues, Ana Coelho, Ana Charas, Rui Meira, Joana Farinhas, Quirina Ferreira, Sofia Martins, Luísa Mendonça, Jorge Morgado, Graça Brotas Missing in the photo: Manuel Matos, João Bastos, Luis Morgado (UTAD) e Michael Salvador (em Seatle) 16 July 2, 2012 Lisboa

17 Converging Technologies for Improving Human Performance NANOTECHNOLOGY, BIOTECHNOLOGY, INFORMATION TECHNOLOGY AND COGNITIVE SCIENCE NSF/DOC-sponsored report 17 July 2, 2012 Lisboa 17

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