Ligand-assisted thickness tailoring of highly luminescent colloidal CH3NH3PbX3 (X = Br and I) perovskite nanoplatelets

被引：102

作者：

Levchuk, Ievgen ^{[1
,2
]}

Herre, Patrick ^{[3
]}

Brandl, Marco ^{[4
]}

Osvet, Andres ^{[1
]}

Hock, Rainer ^{[4
]}

Peukert, Wolfgang ^{[3
]}

Schweizer, Peter ^{[5
]}

Spiecker, Erdmann ^{[5
]}

Batentschuk, Miroslaw ^{[1
]}

Brabec, Christoph J. ^{[1
,2
,6
]}

机构：

[1] Friedrich Alexander Univ Erlangen Nurnberg, Mat Elect & Energy Technol I MEET, Martensstr 7, D-91058 Erlangen, Germany

[2] Energy Campus Nurnberg, Further Str 250, D-90429 Nurnberg, Germany

[3] Friedrich Alexander Univ Erlangen Nurnberg, Inst Particle Technol, Cauerstr 4, D-91058 Erlangen, Germany

[4] Friedrich Alexander Univ Erlangen Nurnberg, Chair Crystallog & Struct Phys, Staudtstr 3, D-91058 Erlangen, Germany

[5] Friedrich Alexander Univ Erlangen Nurnberg, Ctr Nanoanalysis & Electron Microscopy CENEM, Dept Werkstoffwissenschaen, Cauerstr, D-91058 Erlangen, Germany

[6] ZAE Bayern, Renewable Energies, Haberstr 2a, D-91058 Erlangen, Germany

来源：

CHEMICAL COMMUNICATIONS | 2017年 / 53卷 / 01期

关键词：

CESIUM LEAD HALIDE; QUANTUM CONFINEMENT; MEDIATED SYNTHESIS; NANOCRYSTALS; NANOPARTICLES; EMISSION; CRYSTALS; LIGHT; DOTS; CL;

D O I：

10.1039/c6cc09266g

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Quantum size-confined CH3NH3PbX3 (X = Br and I) perovskite nanoplatelets with remarkably high photoluminescence quantum yield (up to 90%) were synthesized by ligand-assisted re-precipitation. Thickness-tunability was realized by varying the oleylamine and oleic acid ligand ratio. This method allows tailoring the nanoplatelet thickness by adjusting the number of unit cell monolayers. Broadly tunable emission wavelengths (450-730 nm) are achieved via the pronounced quantum size effect without anion-halide mixing.

引用

页码：244 / 247

页数：4

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