TY - JOUR
T1 - One-Dimensional Fullerene/Porphyrin Cocrystals
T2 - Near-Infrared Light Sensing through Component Interactions
AU - Wakahara, Takatsugu
AU - Nagaoka, Kahori
AU - Nakagawa, Akari
AU - Hirata, Chika
AU - Matsushita, Yoshitaka
AU - Miyazawa, Kun'Ichi
AU - Ito, Osamu
AU - Wada, Yoshiki
AU - Takagi, Makito
AU - Ishimoto, Takayoshi
AU - Tachikawa, Masanori
AU - Tsukagoshi, Kazuhito
N1 - Funding Information:
Part of this research was financially supported by a Grant-in-Aid for Scientific Research (no. JP15K05615) from the Ministry of Education and Culture, Sports, Science and Technology, Japan.
Publisher Copyright:
© 2019 American Chemical Society.
PY - 2020/1/15
Y1 - 2020/1/15
N2 - Recently, organic donor-acceptor (D-A) cocrystals have attracted special interest as functional materials because of their unique chemical and physical properties that are not exhibited by simple mixtures of their components. Herein, we report the preparation of one-dimensional novel D-A cocrystals from C60 and 5,10,15,20-tetrakis(3,5-dimethoxyphenyl)porphyrin (3,5-TPP); these cocrystals have near-infrared (NIR) light-sensing abilities, despite each of their component molecule individually having no NIR light-sensing properties. Micrometer-sized rectangular columnar C60-3,5-TPP cocrystals were produced by a simple liquid-liquid interfacial precipitation method. The cocrystals exhibit a new strong transition in the NIR region indicative of the existence of charge-transfer interactions between C60 and 3,5-TPP in the cocrystals. The C60-3,5-TPP cocrystals showed n-type transport characteristics with NIR light-sensing properties when the cocrystals were incorporated in bottom-gate/bottom-contact organic phototransistors, revealing that organic cocrystals with suitable charge-transfer interaction are useful as functional materials for the creation of novel NIR-light-sensing devices.
AB - Recently, organic donor-acceptor (D-A) cocrystals have attracted special interest as functional materials because of their unique chemical and physical properties that are not exhibited by simple mixtures of their components. Herein, we report the preparation of one-dimensional novel D-A cocrystals from C60 and 5,10,15,20-tetrakis(3,5-dimethoxyphenyl)porphyrin (3,5-TPP); these cocrystals have near-infrared (NIR) light-sensing abilities, despite each of their component molecule individually having no NIR light-sensing properties. Micrometer-sized rectangular columnar C60-3,5-TPP cocrystals were produced by a simple liquid-liquid interfacial precipitation method. The cocrystals exhibit a new strong transition in the NIR region indicative of the existence of charge-transfer interactions between C60 and 3,5-TPP in the cocrystals. The C60-3,5-TPP cocrystals showed n-type transport characteristics with NIR light-sensing properties when the cocrystals were incorporated in bottom-gate/bottom-contact organic phototransistors, revealing that organic cocrystals with suitable charge-transfer interaction are useful as functional materials for the creation of novel NIR-light-sensing devices.
KW - charge-transfer interaction
KW - cocrystals
KW - fullerenes
KW - near-infrared light sensing
KW - phototransistors
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U2 - 10.1021/acsami.9b18784
DO - 10.1021/acsami.9b18784
M3 - Article
C2 - 31845789
AN - SCOPUS:85077950119
SN - 1944-8244
VL - 12
SP - 2878
EP - 2883
JO - ACS applied materials & interfaces
JF - ACS applied materials & interfaces
IS - 2
ER -