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Yusuf Hamied Department of Chemistry


Dr Johannes H. Haataja graduated with a Ph.D. in Physics from Aalto University, Finland in 2018 under the supervision of Dr Nikolay Houbenov and Prof Olli Ikkala. His Ph.D. studies focused on 3D characterization and on advanced data analysis methods of self-assembled nanomaterialsForward and inverse problems in the field of nanoscience. The forward problems are indicated by arrows progressing from left to right and conversely for inverse problems. The primary goal is to formulate theories governing the self-assembly from components C to stable structures X. However most efforts has to be put on solving X from measured data Y. (© 2018, J. Haataja), and why the incorporation of such methods becomes necessary as nanoscience progresses  to ever more complex structures.

His current research is focused on quantitative analysis on how structural properties of disordered materials relate to their optical properties.


Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles.
J Majoinen, J Hassinen, JS Haataja, HT Rekola, E Kontturi, MA Kostiainen, RHA Ras, P Törmä, O Ikkala
– Advanced materials (Deerfield Beach, Fla.)
Mesoporous carbon soft-templated from lignin nanofiber networks: microphase separation boosts supercapacitance in conductive electrodes
M Ago, M Borghei, JS Haataja, OJ Rojas
– RSC Advances
Self‐Organization of Gold Nanoparticle Assemblies with 3D Spatial Order and Their External Stimuli Responsiveness
MS Köhn Serrano, TAF König, JS Haataja, TI Löbling, H Schmalz, S Agarwal, A Fery, A Greiner
– Macromol Rapid Commun
Self-Assembly of a Functional Oligo(Aniline)-Based Amphiphile into Helical Conductive Nanowires
OA Bell, G Wu, JS Haataja, F Brömmel, N Fey, AM Seddon, RL Harniman, RM Richardson, O Ikkala, X Zhang, CFJ Faul
– J Am Chem Soc
Complexation-Driven Mutarotation in Poly(l‑proline) Block Copolypeptides
M Gkikas, JS Haataja, J Ruokolainen, H Iatrou, N Houbenov
– Biomacromolecules
Dendronized Hyperbranched Macromolecules: Soft Matter with a Novel Type of Segmental Distribution
A Lederer, W Burchard, T Hartmann, JS Haataja, N Houbenov, A Janke, P Friedel, R Schweins, P Lindner
– Angewandte Chemie - International Edition
Supramolecular amplification of amyloid self-assembly by iodination
A Bertolani, L Pirrie, L Stefan, N Houbenov, JS Haataja, L Catalano, G Terraneo, G Giancane, L Valli, R Milani, O Ikkala, G Resnati, P Metrangolo
– Nat Commun
Extended Self-Assembled Long Periodicity and Zig-Zag Domains from Helix-Helix Diblock Copolymer Poly(gamma-benzyl-L-glutamate)-block-poly(O-benzyk-hydroxyproline)
M Gkikas, JS Haataja, J Seitsonen, J Ruokolainen, O Ikkala, H Iatrou, N Houbenov
– Biomacromolecules
Hidden structural features of multicompartment micelles revealed by cryogenic transmission electron tomography.
TI Löbling, JS Haataja, CV Synatschke, FH Schacher, M Müller, A Hanisch, AH Gröschel, AHE Müller
– ACS nano
Halogen-bonded mesogens direct polymer self-assemblies up to millimetre length scale
N Houbenov, R Milani, M Poutanen, J Haataja, V Dichiarante, J Sainio, J Ruokolainen, G Resnati, P Metrangolo, O Ikkala
– Nat Commun
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