Solution-Processable Silicon Phthalocyanines in Electroluminescent and Photovoltaic Devices | Zendy

Eli ZysmanColman | Zendy; Sanjay S. Ghosh | Zendy; Guohua Xie | Zendy; Shinto Varghese | Zendy; Mithun Chowdhury | Zendy; Nidhi Sharma | Zendy; David B. Cordes | Zendy; Alexandra M. Z. Slawin | Zendy; Ifor D. W. Samuel | Zendy

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Solution-Processable Silicon Phthalocyanines in Electroluminescent and Photovoltaic Devices

Author(s) -

Eli ZysmanColman,

Sanjay S. Ghosh,

Guohua Xie,

Shinto Varghese,

Mithun Chowdhury,

Nidhi Sharma,

David B. Cordes,

Alexandra M. Z. Slawin,

Ifor D. W. Samuel

Publication year - 2016

Publication title -

acs applied materials and interfaces

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.535

H-Index - 228

eISSN - 1944-8252

pISSN - 1944-8244

DOI - 10.1021/acsami.5b12408

Subject(s) - materials science , electroluminescence , photovoltaic system , silicon , optoelectronics , nanotechnology , engineering physics , electrical engineering , layer (electronics) , engineering

Phthalocyanines and their main group and metal complexes are important classes of organic semiconductor materials but are usually highly insoluble and so frequently need to be processed by vacuum deposition in devices. We report two highly soluble silicon phthalocyanine (SiPc) diester compounds and demonstrate their potential as organic semiconductor materials. Near-infrared (λ(EL) = 698-709 nm) solution-processed organic light-emitting diodes (OLEDs) were fabricated and exhibited external quantum efficiencies (EQEs) of up to 1.4%. Binary bulk heterojunction solar cells employing P3HT or PTB7 as the donor and the SiPc as the acceptor provided power conversion efficiencies (PCE) of up to 2.7% under simulated solar illumination. Our results show that soluble SiPcs are promising materials for organic electronics.

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