| Thermally activated delayed fluorescence from Sn4+-porphyrin complexes and their application to organic light-emitting diodes-A novel mechanism for electroluminescence A Endo, M Ogasawara, A Takahashi, D Yokoyama, Y Kato, C Adachi Advanced Materials 21 (47), 4802-4806, 2009 | 1067 | 2009 |
| Molecular orientation in small-molecule organic light-emitting diodes D Yokoyama Journal of Materials Chemistry 21 (48), 19187-19202, 2011 | 653 | 2011 |
| Horizontal orientation of linear-shaped organic molecules having bulky substituents in neat and doped vacuum-deposited amorphous films D Yokoyama, A Sakaguchi, M Suzuki, C Adachi Organic Electronics 10 (1), 127-137, 2009 | 275 | 2009 |
| Increased light outcoupling efficiency in dye-doped small molecule organic light-emitting diodes with horizontally oriented emitters J Frischeisen, D Yokoyama, A Endo, C Adachi, W Brütting Organic Electronics 12 (5), 809-817, 2011 | 259 | 2011 |
| Determination of molecular dipole orientation in doped fluorescent organic thin films by photoluminescence measurements J Frischeisen, D Yokoyama, C Adachi, W Brütting Applied Physics Letters 96 (7), 2010 | 258 | 2010 |
| Horizontal molecular orientation in vacuum-deposited organic amorphous films of hole and electron transport materials D Yokoyama, A Sakaguchi, M Suzuki, C Adachi Applied Physics Letters 93 (17), 2008 | 178 | 2008 |
| Advantages and disadvantages of vacuum-deposited and spin-coated amorphous organic semiconductor films for organic light-emitting diodes M Shibata, Y Sakai, D Yokoyama Journal of Materials Chemistry C 3 (42), 11178-11191, 2015 | 177 | 2015 |
| Orientation control of linear‐shaped molecules in vacuum‐deposited organic amorphous films and its effect on carrier mobilities D Yokoyama, Y Setoguchi, A Sakaguchi, M Suzuki, C Adachi Advanced Functional Materials 20 (3), 386-391, 2010 | 175 | 2010 |
| Horizontally orientated sticklike emitters: enhancement of intrinsic out-coupling factor and electroluminescence performance M Liu, R Komatsu, X Cai, K Hotta, S Sato, K Liu, D Chen, Y Kato, ... Chemistry of Materials 29 (20), 8630-8636, 2017 | 164 | 2017 |
| Optimizing the charge balance of fluorescent organic light‐emitting devices to achieve high external quantum efficiency beyond the conventional upper limit YJ Pu, G Nakata, F Satoh, H Sasabe, D Yokoyama, J Kido Advanced Materials 24 (13), 1765-1770, 2012 | 163 | 2012 |
| Molecular Stacking Induced by Intermolecular C–H··· N Hydrogen Bonds Leading to High Carrier Mobility in Vacuum‐Deposited Organic Films D Yokoyama, H Sasabe, Y Furukawa, C Adachi, J Kido Advanced Functional Materials 21 (8), 1375-1382, 2011 | 163 | 2011 |
| Influence of substituted pyridine rings on physical properties and electron mobilities of 2‐methylpyrimidine skeleton‐based electron transporters H Sasabe, D Tanaka, D Yokoyama, T Chiba, YJ Pu, K Nakayama, ... Advanced Functional Materials 21 (2), 336-342, 2011 | 152 | 2011 |
| Synthesis and electroluminescence properties of highly efficient blue fluorescence emitters using dual core chromophores B Kim, Y Park, J Lee, D Yokoyama, JH Lee, J Kido, J Park Journal of Materials Chemistry C 1 (3), 432-440, 2013 | 111 | 2013 |
| Thermally activated delayed fluorescence OLEDs with fully solution processed organic layers exhibiting nearly 10% external quantum efficiency K Albrecht, K Matsuoka, D Yokoyama, Y Sakai, A Nakayama, K Fujita, ... Chemical Communications 53 (16), 2439-2442, 2017 | 109 | 2017 |
| Dual efficiency enhancement by delayed fluorescence and dipole orientation in high-efficiency fluorescent organic light-emitting diodes D Yokoyama, Y Park, B Kim, S Kim, YJ Pu, J Kido, J Park Applied Physics Letters 99 (12), 2011 | 106 | 2011 |
| Organic photoelectric conversion device and stack type photoelectric conversion device D Yokoyama US Patent App. 11/513,046, 2007 | 97 | 2007 |
| Enhancement of electron transport by horizontal molecular orientation of oxadiazole planar molecules in organic amorphous films D Yokoyama, A Sakaguchi, M Suzuki, C Adachi Applied Physics Letters 95 (24), 2009 | 86 | 2009 |
| In situ real-time spectroscopic ellipsometry measurement for the investigation of molecular orientation in organic amorphous multilayer structures D Yokoyama, C Adachi Journal of Applied Physics 107 (12), 2010 | 79 | 2010 |
| Optical and electrical properties of a squaraine dye in photovoltaic cells G Chen, D Yokoyama, H Sasabe, Z Hong, Y Yang, J Kido Applied Physics Letters 101 (8), 2012 | 76 | 2012 |
| High-efficiency simple planar heterojunction organic thin-film photovoltaics with horizontally oriented amorphous donors D Yokoyama, ZQ Wang, YJ Pu, K Kobayashi, J Kido, Z Hong Solar energy materials and solar cells 98, 472-475, 2012 | 76 | 2012 |
