Extracting in Situ Charge Carrier Diffusion Parameters in Perovskite Solar Cells with Light Modulated Techniques [0.03%]
光调制技术提取钙钛矿太阳电池中的载流子扩散参数
Agustín Bou,Haralds A Boliņš,Arjun Ashoka et al.
Agustín Bou et al.
Frequency resolved methods are widely used to determine device properties of perovskite solar cells. However, obtaining the electronic parameters for diffusion and recombination by impedance spectroscopy has been so far elusive, since the m...
Boosting Long-Term Stability of Pure Formamidinium Perovskite Solar Cells by Ambient Air Additive Assisted Fabrication [0.03%]
环境空气添加剂辅助制备纯甲脒铅碘钙钛绿光太阳能电池提高其长期稳定性
K M Muhammed Salim,Sofia Masi,Andrés Fabián Gualdrón-Reyes et al.
K M Muhammed Salim et al.
Due to the high industrial interest for perovskite-based photovoltaic devices, there is an urgent need to fabricate them under ambient atmosphere, not limited to low relative humidity (RH) conditions. The formamidinium lead iodide (FAPI) pe...
Efficient Wide-Bandgap Mixed-Cation and Mixed-Halide Perovskite Solar Cells by Vacuum Deposition [0.03%]
通过真空沉积实现高效的宽带隙混合阳离子和混合卤素钙钛太阳电池
Lidón Gil-Escrig,Chris Dreessen,Francisco Palazon et al.
Lidón Gil-Escrig et al.
Vacuum deposition methods are increasingly applied to the preparation of perovskite films and devices, in view of the possibility to prepare multilayer structures at low temperature. Vacuum-deposited, wide-bandgap solar cells based on mixed...
Potentiometric MRI of a Superconcentrated Lithium Electrolyte: Testing the Irreversible Thermodynamics Approach [0.03%]
超浓缩锂电解质的电位测定磁共振成像：测试不可逆热力学方法
Andrew A Wang,Anna B Gunnarsdóttir,Jack Fawdon et al.
Andrew A Wang et al.
Superconcentrated electrolytes, being highly thermodynamically nonideal, provide a stringent proving ground for continuum transport theories. Herein, we test an ostensibly complete model of LiPF6 in ethyl-methyl carbonate (EMC) based on the...
Benjamin Daiber,Koen van den Hoven,Moritz H Futscher et al.
Benjamin Daiber et al.
Singlet fission is a carrier multiplication mechanism that could make silicon solar cells much more efficient. The singlet-fission process splits one high-energy spin-singlet exciton into two lower-energy spin-triplet excitons. We calculate...
Switchable Anion Exchange in Polymer-Encapsulated APbX3 Nanocrystals Delivers Stable All-Perovskite White Emitters [0.03%]
聚合物封装APbX3纳米晶体中的可切换阴离子交换可制造出稳定的全钙钛矿白光发射体
Muhammad Imran,Binh T Mai,Luca Goldoni et al.
Muhammad Imran et al.
We report a one-step synthesis of halide perovskite nanocrystals embedded in amphiphilic polymer (poly(acrylic acid)-block-poly(styrene), PAA-b-PS) micelles, based on injecting a dimethylformamide solution of PAA-b-PS, PbBr2, ABr (A = Cs, f...
Jence T Mulder,Indy du Fossé,Maryam Alimoradi Jazi et al.
Jence T Mulder et al.
Lead halide perovskite nanocrystals have drawn attention as active light-absorbing or -emitting materials for opto-electronic applications due to their facile synthesis, intrinsic defect tolerance, and color-pure emission ranging over the e...
Kimberley J Savill,Aleksander M Ulatowski,Laura M Herz
Kimberley J Savill
Mixed tin-lead halide perovskites have recently emerged as highly promising materials for efficient single- and multi-junction photovoltaic devices. This Focus Review discusses the optoelectronic properties that underpin this performance, c...
Multimodal Microscale Imaging of Textured Perovskite-Silicon Tandem Solar Cells [0.03%]
具有纹理结构的钙钛矿-硅串联太阳能电池的多模微成像技术研究
Elizabeth M Tennyson,Kyle Frohna,William K Drake et al.
Elizabeth M Tennyson et al.
Halide perovskite/crystalline silicon (c-Si) tandem solar cells promise power conversion efficiencies beyond the limits of single-junction cells. However, the local light-matter interactions of the perovskite material embedded in this pyram...
Dongxu Zhu,Matteo L Zaffalon,Juliette Zito et al.
Dongxu Zhu et al.
We synthesize colloidal nanocrystals (NCs) of Rb3InCl6, composed of isolated metal halide octahedra ("0D"), and of Cs2NaInCl6 and Cs2KInCl6 double perovskites, where all octahedra share corners and are interconnected ("3D"), with the aim to...