MultiCrom

MultiCrom - Highly Defined Supramolecular Multi- Chromophore Systems for Advanced Optoelectronics
Financed by the Spanish ‘Ministerio de Economia y Competitividad’ 2015-2018 (MINECO, Project MultiCrom, Grant No. CTQ2014-58801)

Researchers involved:
Dr. Johannes Gierschner (PI, PL spectroscopy, modelling)
Dr. Larry Lüer (PI, fs pump-probe spectroscopy)
Dr. Begoña Milián Medina (PI, quantum-chemistry)
Dr. P. C. Nandajan (project Postdoc)
Junqing Shi (project PhD student)
Inhouse collaborations (IMDEA Nanoscience)
Dr. Emilio Perez (Carbon Nanotubes)
Dr. Felix Zamorra (Covalent Organic Frameworks)
Dr. Reinhold Wannemacher (lowT Spectroscopy)
Dr. Santiago Casado (AFM studies)
External Collaborations
Prof. Dr. Soo Young Park, Seoul National University (Materials)
Prof. Dr. Gianluca Farinola, Univ. Bari (Materials)
Prof. Dr. Roland Resel, Univ. Graz (SXRD)
Prof. Dr. Roland Fischer, Univ. Graz (single crystal x-ray)
Prof. Dr. Enrico Gnecco, Uiv. Jena (Friction Force AFM)
Prof. Dr. Carlos Pina, Univ. Complutense Madrid (Friction Force AFM)
Prof. Dr. Jinsang Kim, Univ. Michigan, Ann Arbor (Materials)
Prof. Dr. Minsang Kwon, UNIST (Materials)
Prof. Dr. Antonio Facchetti, Northwestern (Materials)
Industry
SYNCHIMIA
ABENGOA
News:
news The Conference on Progress in Organic Optoelectronics will take place in Valencia, 18.-19.12.2017.


Publications:
Light Harvesting Fluorescent Supramolecular Block Copolymers Based on Cyanostilbene Derivatives and Cucurbit[8]urils in Aqueous Solution
H.-J. Kim, P. C. Nandajan, J. Gierschner, S. Y. Park, Adv. Funct. Mater. 28 (2018) 1705141.

Designing High Performance All-Small-Molecule Solar Cell with Non-Fullerene Acceptors: Comprehensive Studies on Photoexcitation Dynamics and Charge Separation Kinetics
J. Shi, A. Isakova, A. Abudulimu, M. van den Berg, O. K. Kwon, A. J. Meixner, S. Y. Park, D. Zhang, J. Gierschner, L. Lüer, Energy Environ. Sci. 11 (2018) 211--220.

Room Temperature Phosphorescence based Dissolved Oxygen Detection by Core-shell Polymer Nanoparticles having Metal-free Organic Phosphor
Y. Yu, M. S. Kwon, J. Jung, Y. Zeng, M. Kim, K. Chung, J. Gierschner, J. H. Youk, S. M. Borisov, J. Kim, Angew. Chem. Int. Ed. 56 (2017) 16207-16211.

Determining Molecular Orientation via Single Molecule SERS in a Plasmonic Nano-Gap
A. R. L. Marshall, J. Stokes, F. N. Viscomi, J. E. Proctor, J. Gierschner, J.-S. Bouillard, A. M. Adawi, Nanoscale 9 (2017) 17415-17421.

Solid State Luminescence Enhancement in p-Conjugated Materials: Unraveling the Mechanism beyond the Framework of AIE/AIEE
J. Shi, L. E. Aguilar Suarez, S.-J. Yoon, S. Varghese, C. Serpa, S. Young Park, L. Lüer, D. Roca Sanjuán, B. Milián Medina, J. Gierschner, J. Phys. Chem. C 121 (2017) 23166-23183.

Twist Elasticity Controlled Crystal Emission in Highly Luminescent Polymorphs of Cyano-Substituted Distyrylbenzene (bDCS)
J. Shi, S.-J. Yoon, L. Viani, S. Y. Park, B. Milián-Medina, J. Gierschner, Adv. Opt. Mater. 5 (2017) 1700340.

Tetrakis{[(p-dodecacarboranyl)methyl]stilbenyl}ethylene: A Luminescent Tetraphenylethylene (TPE) Core System
J. Cabrera-González, S. Bhattacharyya, B. Milián-Medina, F. Teixidor, N. Farfán, R. Arcos-Ramos, V. Vargas-Reyes, J. Gierschner, R. Nuñez, Eur. J. Inorg. Chem. (2017) 4575-4580.

Fluorescent Carborane-Vinylstilbene Functionalised Octasilsesquioxanes: Synthesis, Structural, Thermal and Photophysical Properties
J. Cabrera-González, A. Ferrer-Ugalde, S. Bhattacharyya, M. Chaari, F. Teixidor, J. Gierschner, R. Nuñez, J. Mater. Chem. C 5 (2017) 10211--10219.

Highly Luminescent 2D-type Slab Crystals Based on a Molecular Charge-Transfer Complex as Promising Organic Light-Emitting Transistor Materials
S. K. Park, J. H. Kim, T. Ohto, R. Yamada, A. O. F. Jones, D. R. Whang, I. Cho, S. Oh, S. H. Hong, J. E. Kwon, J. H. Kim, Y. Olivier, R. Fischer, R. Resel, J. Gierschner, H. Tada, S. Y. Park, Adv. Mater. 29 (2017) 1701346.

Molecular Scale Shear Response of the Organic Semiconductor b-DBDCS (100) Surface
R. Álvarez-Asencio, J. S. Moreno-Ramírez, C. Pimentel, S. Casado, M. Matta, J. Gierschner, L. Muccioli, S.-J. Yoon, S. Varghese, S. Y. Park, E. Gnecco, C. M. Pina, Phys. Rev. B 96 (2017) 115422.

Crystallization-Induced Emission Enhancement and Amplified Spontaneous Emission from a CF3-containing Excited-State Intramolecular-Proton-Transfer Molecule
S. Park, J. E. Kwon, S.-Y. Park, O.-H. Kwon, J. K. Kim, S.-J. Yoon, J. W. Chung, D. R. Whang, S. K. Park, D. K. Lee, D.-J. Jang, J. Gierschner, S. Y. Park, Adv. Opt. Mater. 5 (2017) 1700353.

Excited State Absorption Spectra of Dissolved and Aggregated Distyrylbenzene - a TD-DFT State and Vibronic Analysis
E. F. Oliveira, J. Shi, F. C. Lavarda, L. Lüer, B. Milián-Medina, J. Gierschner, J. Chem. Phys. 147 (2017) 034903.

Highly Light-Sensitive Luminescent Cyanostilbene Flexible Dimers
M. Martínez-Abadía, S. Varghese, P. Romero, J. Gierschner, R. Giménez, M. B. Ros, Adv. Opt. Mater. 5 (2017) 1600860.

'Though It Be but Little, It is Fierce' - Excited State Engineering of Conjugated Organic Materials by Fluorination
B. Milián-Medina, J. Gierschner, J. Phys. Chem. Lett. 8 (2017) 91–101.

Highly Enhanced Fluorescence of Supramolecular Polymers Based on a Cyanostilbene Derivative and Cucurbit[8]uril in Aqueous Solution
H.-J. Kim, D. R. Whang, J. Gierschner, S. Y. Park, Angew. Chem. Int. Ed. 55 (2016) 15915–15919.

Resonant Energy Transport in Dye-Filled Monolithic Crystals of Zeolite L – Modeling of Inhomogeneity
L. Viani, A. Minoia, J. Cornil, D. Beljonne, H.-J. Egelhaaf, J. Gierschner, J. Phys. Chem. C 120 (2016) 27192–27199.

Naphthalenediimide Polymers with Finely Tuned in-Chain π-Conjugation. Electronic Structure, Film Microstructure, and Charge Transport Properties
T. Erdmann, S. Fabiano, B. Milián-Medina, D. Hanifi, Z. Chen, M. Berggren, J. Gierschner, A. Salleo, A. Kiriy, B. Voit, A. Facchetti, Adv. Mater. 28 (2016) 9169–9174.

Regio(ir)regular Naphthalenediimide- and Perylenediimide-Bithiophene Copolymers: How MO Localization Controls the Bandgap
B. Milián-Medina, M. Wykes, Z. Chen, A. Facchetti, J. Gierschner, J. Mater. Chem. C 4 (2016) 9405-9410.

¿Conjugated? Copolymers from a Pechmann Dye Derivative
A. D. Thilanga Liyanage, B. Milián-Medina, B. Zhang, J. Gierschner, M. D. Watson, Macromol. Chem. Phys. 217 (2016) 2068-2073.

Photoluminescence in Carborane-Stilbene Triads: a Combined Structural, Spectroscopic and Computational study
J. Cabrera-González, C. Viñas, M. Haukka, S. Bhattacharyya, J. Gierschner, R. Núñez, Chem. Eur. J. 22 (2016) 13588-13598.

Effective Conjugation in Conjugated Polymers with Strongly Twisted Backbones: a Case Study on Fluorinated MEHPPV
R. Milad, J. Shi, A. Aguirre, A. Cardone, B. Milián-Medina, G. M. Farinola, M. Abderrabba, J. Gierschner, J. Mater. Chem. C 4 (2016) 6900-6906.

Tuning of the Electronic and Photophysical Properties of Ladder-Type Quaterphenyl by Selective Methylene-Bridge Fluorination
B. Dänekamp, B. Kobin, S. Bhattacharyya, S. Hecht, B. Milián-Medina, J. Gierschner, Phys. Chem. Chem. Phys. 18 (2016) 16501-16508.

Stabilizing and Modulating Color by Copigmentation: Insights from Theory and Experiment
P. Trouillas, J. C. Sancho-García, V. De Freitas, J. Gierschner, M. Otyepka, O. Dangles, Chem. Rev. 116 (2016) 4937–4982.

Polymorphism and Amplified Spontaneous Emission in a Dicyano-Distyrylbenzene Derivative with Multiple Trifluoromethyl Substituents: Intermolecular Interactions in Play
S. Varghese, S. K. Park, S. Casado, R. Resel, R. Wannemacher, L. Lüer, S. Y. Park, J. Gierschner, Adv. Funct. Mater. 26 (2016) 2349–2356.

Synthesis and Conformation of a Novel Fluorescein-Zn-Porphyrin Dyad and Intramolecular Energy Transfer
O. Rezazgui, P. Trouillas, S. Qiu, B. Siegler, J. Gierschner, S. Leroy-Lhez, New J. Chem. 40 (2016) 3843-3856.

Organic Single Crystal Lasers - a Materials View
J. Gierschner, S. Varghese, S. Y. Park, Adv. Opt. Mater. 4 (2016) 348–364.


Sub-nanometer Resolution of an Organic Semiconductor Crystal Surface using Friction Force Microscopy in Water
C. Pimentel, S. Varghese, S.-J. Yoon, S. Y. Park, J. Gierschner, E. Gnecco, C. M. Pina, J. Phys.: Condens. Matter 28 (2016) 134002.

Multi-Luminescent Switching of Metal-Free Organic Phosphors for Luminometric Detection of Organic Solvents
M. S. Kwon, J. H. Jordahl, A. W. Phillips, K. Chung, S. Lee, J. Gierschner, J. Lahann, J. Kim, Chem. Sci. 7 (2016) 2359-2363.

Calculation of Low Bandgap Homopolymers: Comparison of TD-DFT Methods with Experimental Oligomer Series
E. F. Oliveira, J. C. Roldao, B. Milián-Medina, F. C. Lavarda, J. Gierschner, Chem. Phys. Lett. 645 (2016) 169-173.

Stimuli-Responsive Reversible Fluorescence Switching in a Crystalline Donor-Acceptor Mixture Film: Mixed Stack Charge-Transfer Emission vs. Segregated Stack Monomer Emission
S. K. Park, I. Cho, J. Gierschner, J. H. Kim, J. H. Kim, J. E. Kwon, O. K. Kwon, D. R. Whang, J. H. Park, B.-K. An, S. Y. Park, Angew. Chem. Int. Ed. 55 (2016) 203-207.

Suppressing Molecular Motions for Enhanced Room-Temperature Phosphorescence of Metal-Free Organic Materials
M. S. Kwon, Y. Yu, C. Coburn, A. W. Phillips, K. Chung, A. Shanker, J. Jung, G. Kim, K. Pipe, S. R. Forrest, J. H. Youk, J. Gierschner, J. Kim, Nature Commun. 6 (2015) 8947.

Vibronic Coupling in Molecular Crystals: a Franck-Condon Herzberg-Teller Model of H-Aggregate Fluorescence Based on Quantum Chemical Cluster Calculations
M. Wykes, R. Parambil Mangattu, D. Beljonne, J. Gierschner, J. Chem. Phys. 143 (2015) 114116.

Excited State Features and Dynamics in a Distyrylbenzene Based Mixed Stack Donor-Acceptor Co-Crystal with Luminescent Charge Transfer Characteristics
M. Wykes, S. K. Park, S. Bhattacharyya, S. Varghese, J. E. Kwon, D. R. Whang, I. Cho, R. Wannemacher, L. Lüer, S. Y. Park, J. Gierschner, J. Phys. Chem. Lett. 6 (2015) 3682–3687.