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Research Output

2020

Printed, Highly Stable Metal Oxide Thin-Film Transistors with Ultra-Thin High-κ Oxide Dielectric

Carlos, E., Leppäniemi, J., Sneck, A., Alastalo, A., Deuermeier, J., Branquinho, R., Martins, R. & Fortunato, E., 1 Jan 2020, (Accepted/In press) In : Advanced Electronic Materials. 1901071.

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
Oxides
Oxide films
Metals
Printing
2019

0.6V threshold voltage thin film transistors with solution processable indium oxide (In2O3) Channel and Anodized High-κ Al2O3 Dielectric

Bhalerao, S. R., Lupo, D., Zangiabadi, A., Kymissis, I., Leppaniemi, J., Alastalo, A. & Berger, P. R., 22 May 2019, In : IEEE Electron Device Letters. 40, 7, p. 1112-1115 4 p., 8720175.

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
Threshold voltage
Indium
Oxides
Transistors
2 Citations (Scopus)

Reverse-Offset Printing of Metal-Nitrate-Based Metal Oxide Semiconductor Ink for Flexible TFTs

Leppäniemi, J., Sneck, A., Kusaka, Y., Fukuda, N. & Alastalo, A., 2019, In : Advanced Electronic Materials. 5, 8, 1900272.

Research output: Contribution to journalArticleScientificpeer-review

Offset printing
Thin film transistors
Ink
Nitrates
Metals
2018
6 Citations (Scopus)

High performance solution processed oxide thin-film transistors with inkjet printed Ag source-drain electrodes

Gillan, L., Leppäniemi, J., Eiroma, K., Majumdar, H. & Alastalo, A., 1 Jan 2018, In : Journal of Materials Chemistry C. 6, 13, p. 3220-3225 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Polyethyleneimine
Thin film transistors
Contact resistance
Oxides
Oxide films
7 Citations (Scopus)

Reverse Offset Printing of Semidried Metal Acetylacetonate Layers and Its Application to a Solution-Processed IGZO TFT Fabrication

Kusaka, Y., Shirakawa, N., Ogura, S., Leppäniemi, J., Sneck, A., Alastalo, A., Ushijima, H. & Fukuda, N., 25 Jul 2018, In : ACS Applied Materials & Interfaces. 10, 29, p. 24339-24343 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Offset printing
Ink
Metals
Plasmas
Fabrication
2017
29 Citations (Scopus)

Far-UV Annealed Inkjet-Printed In2O3 Semiconductor Layers for Thin-Film Transistors on a Flexible Polyethylene Naphthalate Substrate

Leppäniemi, J., Eiroma, K., Majumdar, H. & Alastalo, A., 15 Mar 2017, In : ACS Applied Materials & Interfaces. 9, 10, p. 8774-8782 9 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Polyethylene
Thin film transistors
Polyethylenes
Semiconductor materials
Oxides
23 Citations (Scopus)

Fully solution-processed organic thin-film transistors by consecutive roll-to-roll gravure printing

Kim, J., Hassinen, T., Lee, W. H. & Ko, S., 1 Mar 2017, In : Organic Electronics. 42, p. 361-366 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
printing
Printing
transistors
Electrodes
Open Access
printing
indium oxides
theses
transistors
metal oxide semiconductors
2016
7 Citations (Scopus)

In2O3 thin-film transistors via inkjet printing for depletion-load nMOS inverters

Leppäniemi, J., Eiroma, K., Majumdar, H. S. & Alastalo, A. T., 2016, In : IEEE Electron Device Letters. 37, 4, p. 445-448

Research output: Contribution to journalArticleScientificpeer-review

Thin film transistors
Printing
Metals
Substrates
Threshold voltage
2015
7 Citations (Scopus)

All-printed transistors on nano cellulose substrate

Hassinen, Alastalo, Eiroma, Tenhunen, T-M., Kunnari, V., Kaljunen, T., Forsström, U. & Tammelin, T., 2015, In : MRS Advances. 1, 10, p. 645-650

Research output: Contribution to journalArticleScientificpeer-review

cellulose
Cellulose
printing
Printing
Transistors
64 Citations (Scopus)
Open Access
Thin film transistors
Semiconductor materials
Plastics
Atomic layer deposition
Gate dielectrics
13 Citations (Scopus)

Optimization and improvement of TIPS-pentacene transistors (OTFT) with UV-ozone and chemical treatments using an all-step solution process

Kim, J., Kim, J., Ahn, B., Hassinen, T., Jung, Y. & Ko, S., 2015, In : Current Applied Physics. 15, 10, p. 1238-1244

Research output: Contribution to journalArticleScientificpeer-review

Ozone
Self assembled monolayers
Thin film transistors
ozone
Transistors
2014

Combined far ultraviolet and thermal annealing of metal nitrate precursors for solution processed IZO TFTs

Leppäniemi, J., Ojanperä, K., Majumdar, H., Kololuoma, T. & Alastalo, A., 2014.

Research output: Contribution to conferenceConference articleScientific

Effect of UV light and low temperature on solution-processed, high-performance metal-oxide semiconductors and TFTs

Majumdar, H., Leppäniemi, J., Ojanperä, K., Huttunen, O-H. & Alastalo, A., 2014, Proceedings of the 5th Electronics System-Integration Technology Conference, ESTC 2014. IEEE Institute of Electrical and Electronic Engineers

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

metal oxide semiconductors
ultraviolet radiation
transistors
thin films
temperature

Modelling of printable metal-oxide TFTs for circuit simulation

Alastalo, A., Ojanperä, J. L. K. & Majumdar, H., 2014, Proceedings of the 5th Electronics System-Integration Technology Conference, ESTC 2014. IEEE Institute of Electrical and Electronic Engineers

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Circuit simulation
Printed circuits
Oxides
Flip flop circuits
Digital circuits
2 Citations (Scopus)

Printed polymer and carbon nanotube thin film transistors with high-k barium titanate insulator

Hassinen, T., Ahn, B. & Ko, S., 2014, In : Japanese Journal of Applied Physics. 53, 5S3, 5 p.

Research output: Contribution to journalArticleScientificpeer-review

Barium titanate
Single-walled carbon nanotubes (SWCN)
Thin film transistors
Ink
barium
27 Citations (Scopus)

Rapid low-temperature processing of metal-oxide thin film transistors with combined far ultraviolet and thermal annealing

Leppäniemi, J., Ojanperä, K., Kololuoma, T., Huttunen, O-H., Dahl, J., Tuominen, M., Laukkanen, P., Majumdar, H. & Alastalo, A., 2014, In : Applied Physics Letters. 105, 11, 113514.

Research output: Contribution to journalArticleScientificpeer-review

metal oxides
transistors
indium oxides
annealing
thin films
12 Citations (Scopus)

Roll-to-roll compatible organic thin film transistor manufacturing technique by printing, lamination, and laser ablation

Hassinen, T., Ruotsalainen, T., Laakso, P., Penttilä, R. & Sandberg, H. GO., 2014, In : Thin Solid Films. 571, p. 212-217 6 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Laser ablation
Thin film transistors
printing
laminates
laser ablation
2013
2 Citations (Scopus)

Overview of the EC project FLEXIBILITY: Organic and thin-film ICs up to radio frequencies for multifunctional flexible systems

Carta, C., Ishida, K., Boroujeni, B. K., Shabanpour, R., Meister, T., Schmidt, G., Suomalainen, E., Brandlmaier, A., Salvatore, G. A., Munzenrieder, N., Petti, L., Troster, G., Petrantonakis, D., Kozakis, D., Paradiso, R., Krebs, M., Tuomikoski, M., Egelhaaf, H-J. & Ellinger, F., 2013, Proceedings: SBMO/IEEE MTT-S International Microwave & Optoelectronics Conference, IMOC 2013. IEEE Institute of Electrical and Electronic Engineers , 2 p. 6646609

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Thin films
Demodulators
Networks (circuits)
Electronic equipment
2012
4 Citations (Scopus)

Analytical modeling of contact resistance in organic transistors

Bonea, A., Hassinen, T., Ofrim, B. A., Bonfert, D. C. & Svasta, P., 2012, Proceedings of the International Semiconductor Conference, CAS 2012. IEEE Institute of Electrical and Electronic Engineers , p. 399-402

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

contact resistance
transistors
thin films
simulation
direct current

Effects of technological parameters onto OTFTs' electrical performance

Bonea, A., Tomi, H., Vasile, A. & Svasta, P., 2012, Proceedings: IEEE 18th International symposium for design and technology of electronics packages, SIITME 2012. IEEE Institute of Electrical and Electronic Engineers , p. 73-76

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

transistors
thin films
polymerization
alignment
evaporation
9 Citations (Scopus)

Experimental investigation of the confinement of d(3He,p)α and d(d,p)t fusion reaction products in JET

Bonheure, G., Hult, M., Gonzalez de Orduna, R., Arnold, D., Dombrowski, H., Laubenstein, M., Wieslander, E., Vidmar, T., Vermaercke, P., Perez Von Thun, C., Reich, M., Jachmich, S., Murari, A., Popovichev, S., Mlynar, J., Salmi, A., Asunta, O., Garcia-Munoz, M., Pinches, S., Koslowski, R. & 2 others, Kragh Nielsen, S. & Contributors, JET. EFDA., 2012, In : Nuclear Fusion. 52, 8, 083004.

Research output: Contribution to journalArticleScientificpeer-review

reaction products
fusion
ceilings
alpha particles
charged particles

LED switching module with organic devices

Bonea, A. G., Hassinen, T., Codreanu, N. & Svasta, P., 2012, Proceedings of SPIE 8411: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI. Schiopu, P. (ed.). International Society for Optics and Photonics SPIE, 6 p. 841112. (Proceedings of SPIE, Vol. 8411).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

transistors
light emitting diodes
modules
hybrid circuits
electrodes

Roll-to-roll compatible OTFT manufacturing technique by lamination

Hassinen, T. & Ruotsalainen, T., 2012, 8th International Thin-Film Transistor Conference, ITC 2012, 30 - 31 January 2012, Lisbon, Portugal - Book of abstracts. 109

Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsScientific

laminates
manufacturing
transistors
life (durability)
electrodes
1 Citation (Scopus)

Three stage ring oscillator with organic transistors

Bonea, A. G., Hassinen, T. & Svasta, P., 2012, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies VI. Schiopu, P. (ed.). International Society for Optics and Photonics SPIE, 6 p. 841111. (Proceedings of SPIE, Vol. 8411).

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

transistors
oscillators
inverters
rings
electrical measurement