A photofunctional bottom-up bis(dipyrrinato)zinc(II) complex nanosheet.
A photofunctional bottom-up bis(dipyrrinato)zinc(II) complex nanosheet.
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光功能的自下而上双Bis(Dipyrrinato)锌(II)复合纳米片。
DOI:
10.1038/ncomms7713
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发表时间:
2015-04-02
影响因子:
16.6
通讯作者:
Nishihara, Hiroshi
中科院分区:
文献类型:
--
作者:
Sakamoto, Ryota;Hoshiko, Ken;Liu, Qian;Yagi, Toshiki;Nagayama, Tatsuhiro;Kusaka, Shinpei;Tsuchiya, Mizuho;Kitagawa, Yasutaka;Wong, Wai-Yeung;Nishihara, Hiroshi
Two-dimensional polymeric nanosheets have recently gained much attention, particularly top-down nanosheets such as graphene and metal chalcogenides originating from bulk-layered mother materials. Although molecule-based bottom-up nanosheets manufactured directly from molecular components can exhibit greater structural diversity than top-down nanosheets, the bottom-up nanosheets reported thus far lack useful functionalities. Here we show the design and synthesis of a bottom-up nanosheet featuring a photoactive bis(dipyrrinato)zinc(II) complex motif. A liquid/liquid interfacial synthesis between a three-way dipyrrin ligand and zinc(II) ions results in a multi-layer nanosheet, whereas an air/liquid interfacial reaction produces a single-layer or few-layer nanosheet with domain sizes of >10 μm on one side. The bis(dipyrrinato)zinc(II) metal complex nanosheet is easy to deposit on various substrates using the Langmuir–Schäfer process. The nanosheet deposited on a transparent SnO2 electrode functions as a photoanode in a photoelectric conversion system, and is thus the first photofunctional bottom-up nanosheet. The creation of functional 2D bottom-up nanosheets woven from molecular components remains a large challenge. Here, a bottom-up nanosheet featuring a photofunctional bis(dipyrrinato)zinc(II) complex motif is synthesized using interfacial syntheses, enabling a photoelectric conversion system.
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