Charge Carrier Formation in Polythiophene/Fullerene Blend Films Studied by Transient Absorption Spectroscopy

Hideo Ohkita, Steffan Cook, Yeni Astuti, +8

Journal of the American Chemical Society

Optical MaterialsEngineeringOrganic ElectronicsChemistryOptical Properties +14

Charge Generation and Recombination Dynamics in Poly(3-hexylthiophene)/Fullerene Blend Films with Different Regioregularities and Morphologies

Jiamo Guo, Hideo Ohkita, Hiroaki Benten, +1

Journal of the American Chemical Society

Optical MaterialsEngineeringExcitation Energy TransferChemistryCharge Dissociation +20

Near-IR Femtosecond Transient Absorption Spectroscopy of Ultrafast Polaron and Triplet Exciton Formation in Polythiophene Films with Different Regioregularities

Jiamo Guo, Hideo Ohkita, Hiroaki Benten, +1

Journal of the American Chemical Society

EngineeringExcitation Energy TransferChemistryElectronic Excited StateOptical Properties +19

High-efficiency polymer solar cells with small photon energy loss

Kazuaki Kawashima, Yasunari Tamai, Hideo Ohkita, +2

Nature Communications

Photovoltaic Performance of Perovskite Solar Cells with Different Grain Sizes

Hyung Do Kim, Hideo Ohkita, Hiroaki Benten, +1

Advanced Materials

Implication of Fluorine Atom on Electronic Properties, Ordering Structures, and Photovoltaic Performance in Naphthobisthiadiazole-Based Semiconducting Polymers

Kazuaki Kawashima, Tomohiro Fukuhara, Yousuke Suda, +6

Journal of the American Chemical Society

Exciton Diffusion in Conjugated Polymers: From Fundamental Understanding to Improvement in Photovoltaic Conversion Efficiency

Yasunari Tamai, Hideo Ohkita, Hiroaki Benten, +1

The Journal of Physical Chemistry Letters

Sn(IV)-free tin perovskite films realized by in situ Sn(0) nanoparticle treatment of the precursor solution

Tomoya Nakamura, Shinya Yakumaru, Minh Anh Truong, +12

Nature Communications

Highly efficient charge-carrier generation and collection in polymer/polymer blend solar cells with a power conversion efficiency of 5.7%

Daisuke Mori, Hiroaki Benten, Izumi Okada, +2

Energy & Environmental Science

EngineeringEnergy EfficiencyEnergy ConversionOrganic Solar CellPhotovoltaic System +15

Recent research progress of polymer donor/polymer acceptor blend solar cells

Hiroaki Benten, Daisuke Mori, Hideo Ohkita, +1

Journal of Materials Chemistry A

Materials ScienceElectrical EngineeringChemical EngineeringRecent Research ProgressPerformance Enhancement +13