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Interchain-expanded extra-large-pore zeolites
We report a strategy that yields thermally and hydrothermally stable silicates by expansion of a one-dimensional silicate chain with an intercalated silylating agent that separates and connects the chains.
- Zihao Rei Gao
- , Huajian Yu
- & Miguel A. Camblor
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Long-term continuous ammonia electrosynthesis
Use of a chain-ether-based solvent instead of tetrahydrofuran for lithium-mediated nitrogen reduction enables long-term continuous ammonia electrosynthesis with high efficiency and improved gas-phase ammonia distribution.
- Shaofeng Li
- , Yuanyuan Zhou
- & Ib Chorkendorff
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Healable and conductive sulfur iodide for solid-state Li–S batteries
A conductive, low-melting-point and healable sulfur iodide material aids the practical realization of solid-state Li–S batteries, which have high theoretical energy densities and show potential in next-generation battery chemistry.
- Jianbin Zhou
- , Manas Likhit Holekevi Chandrappa
- & Ping Liu
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| Open AccessDopant-additive synergism enhances perovskite solar modules
A synergistic dopant-additive combination strategy using methylammonium chloride as the dopant and a Lewis-basic ionic-liquid additive is shown to enable the fabrication of perovskite solar modules achieving record certified performance and long-term operational stability.
- Bin Ding
- , Yong Ding
- & Mohammad Khaja Nazeeruddin
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Triple-junction solar cells with cyanate in ultrawide-bandgap perovskites
Triple-junction solar cells with cyanate in ultrawide-bandgap perovskites exhibit enhanced defect formation energy and substantially decreased non-radiative recombination.
- Shunchang Liu
- , Yue Lu
- & Yi Hou
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Ligand-channel-enabled ultrafast Li-ion conduction
An electrolyte design using small-sized fluoroacetonitrile solvents to form a ligand channel produces lithium-ion batteries simultaneously achieving high energy density, fast charging and wide operating temperature range, desirable features for batteries working in extreme conditions.
- Di Lu
- , Ruhong Li
- & Xiulin Fan
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Double-side 2D/3D heterojunctions for inverted perovskite solar cells
A study presents a technique to sandwich 3D perovskite with 2D perovskites at the top and bottom, improving the performance and stability of perovskite solar cells.
- Randi Azmi
- , Drajad Satrio Utomo
- & Stefaan De Wolf
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A rechargeable calcium–oxygen battery that operates at room temperature
A Ca–O2 battery that relies on a highly reversible two-electron redox to form chemically reactive calcium peroxide as the discharge product is reported to be stable in air and rechargeable for 700 cycles at room temperature.
- Lei Ye
- , Meng Liao
- & Huisheng Peng
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Recovery of isolated lithium through discharged state calendar ageing
Calendar ageing of lithium metal batteries in the discharged state improves capacity retention through isolated lithium recovery, which is in contrast with the capacity degradation observed during charged state calendar ageing.
- Wenbo Zhang
- , Philaphon Sayavong
- & Yi Cui
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Durable CO2 conversion in the proton-exchange membrane system
We develop a proton-exchange membrane system that reduces CO2 to formic acid at a catalyst that is derived from waste lead–acid batteries and in which a lattice carbon activation mechanism contributes.
- Wensheng Fang
- , Wei Guo
- & Bao Yu Xia
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Flexible silicon solar cells with high power-to-weight ratios
A study reports a combination of processing, optimization and low-damage deposition methods for the production of silicon heterojunction solar cells exhibiting flexibility and high performance.
- Yang Li
- , Xiaoning Ru
- & Zongping Shao
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| Open AccessThe persistence of memory in ionic conduction probed by nonlinear optics
Single-cycle terahertz pumps are used to impulsively trigger ionic hopping in battery solid electrolytes, probing ion transport at its fastest limit and demonstrating the connection between activated transport and the thermodynamics of information.
- Andrey D. Poletayev
- , Matthias C. Hoffmann
- & Aaron M. Lindenberg
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Multifunctional ytterbium oxide buffer for perovskite solar cells
Ytterbium oxide buffer layer for use in perovskite solar cells yields a certified power conversion efficiency of more than 25%, which enhances stability across a wide variety of perovskite compositions.
- Peng Chen
- , Yun Xiao
- & Rui Zhu
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Three-dimensional atomic structure and local chemical order of medium- and high-entropy nanoalloys
Atomic electron tomography is used to determine the 3D atomic positions and chemical species of medium- and high-entropy alloy nanoparticles and quantitatively characterize the local lattice distortion, strain tensor, twin boundaries, dislocation cores and chemical short-range order.
- Saman Moniri
- , Yao Yang
- & Jianwei Miao
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Aspartate all-in-one doping strategy enables efficient all-perovskite tandems
AspCl doping in Sn–Pb perovskite solar cells improves their performance and stability.
- Shun Zhou
- , Shiqiang Fu
- & Weijun Ke
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| Open AccessHomogenizing out-of-plane cation composition in perovskite solar cells
We added out-of-plane cations to homogenize the distribution of cations in perovskite films, resulting in a solar cell with improved efficiency and stability.
- Zheng Liang
- , Yong Zhang
- & Xu Pan
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Interface design for all-solid-state lithium batteries
The inclusion of a Mg–Bi-based interlayer between the lithium metal and solid electrolyte and a F-rich interlayer on the cathode improves the stability and performance of solid-state lithium-metal batteries.
- Hongli Wan
- , Zeyi Wang
- & Chunsheng Wang
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Low-loss contacts on textured substrates for inverted perovskite solar cells
A co-adsorbent is used to achieve a uniform self-assembled phosphonic acid monolayer on a textured substrate, leading to more efficient inverted perovskite solar cells.
- So Min Park
- , Mingyang Wei
- & Edward H. Sargent
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Anion–π interactions suppress phase impurities in FAPbI3 solar cells
The use of anion–π interactions during perovskite film formation is shown to give better quality perovskite layers with high phase purity, leading to improved photovoltaic devices with high power conversion efficiency.
- Zijian Huang
- , Yang Bai
- & Huanping Zhou
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Enhanced optoelectronic coupling for perovskite/silicon tandem solar cells
An independently certified power conversion efficiency of 32.5% for perovskite/silicon tandem solar cells is achieved through improved charge transfer at the amorphous indium zinc oxide interconnecting layer and reduced optical losses at the front and rear electrodes.
- Erkan Aydin
- , Esma Ugur
- & Stefaan De Wolf
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Geminal-atom catalysis for cross-coupling
Heterogeneous geminal-atom catalysts, which pair single-atom sites in specific coordination and spatial proximity, offer a new avenue for the sustainable manufacture of fine chemicals.
- Xiao Hai
- , Yang Zheng
- & Jiong Lu
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Phase-dependent growth of Pt on MoS2 for highly efficient H2 evolution
We report the production of MoS2 nanosheets with high phase purity, showing that the 2H-phase templates facilitate epitaxial growth of Pt nanoparticles, whereas the 1T′ phase supports single-atomically dispersed Pt atoms.
- Zhenyu Shi
- , Xiao Zhang
- & Hua Zhang
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Flatband λ-Ti3O5 towards extraordinary solar steam generation
A route to greatly elevate joint densities of states by introducing a flat-band electronic structure is demonstrated, showing metallic λ-Ti3O5 powders have a high solar absorptivity and offering insights into access to cost-effective solar-to-steam generation.
- Bo Yang
- , Zhiming Zhang
- & Liang Zuo
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Towards linking lab and field lifetimes of perovskite solar cells
We correlate lab test and field test results to better predict the performance of perovskite photovoltaics as a step towards real-world implementation.
- Qi Jiang
- , Robert Tirawat
- & Kai Zhu
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Visualizing interfacial collective reaction behaviour of Li–S batteries
In situ liquid-cell electrochemical transmission electron microscopy allows the direct visualization of the transformation of lithium polysulfides over electrode surfaces at the atomic scale, leading to a new energy-storage mechanism in lithium–sulfur batteries.
- Shiyuan Zhou
- , Jie Shi
- & Hong-Gang Liao
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Structure evolution at the gate-tunable suspended graphene–water interface
Using centimetre-sized substrate-free monolayer graphene suspended on aqueous electrolyte surface, the structural evolution versus gate voltage at the graphene–water interface is shown, demonstrating minimal influence of extrinsic factors.
- Ying Xu
- , You-Bo Ma
- & Chuan-Shan Tian
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Oriented nucleation in formamidinium perovskite for photovoltaics
The black phase of formamidinium lead iodide perovskite is used to make highly efficient solar cells, and a technique to improve its purity and stability by controlling crystal nucleation could make them even better.
- Pengju Shi
- , Yong Ding
- & Rui Wang
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All-perovskite tandem solar cells with 3D/3D bilayer perovskite heterojunction
All-perovskite tandem solar cells with an immiscible 3D/3D bilayer heterojunction demonstrate a record-high PCE of 28%, as well as the ability to retain more than 90% of their initial performance after 600 h of continuous operation.
- Renxing Lin
- , Yurui Wang
- & Hairen Tan
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Dendrite initiation and propagation in lithium metal solid-state batteries
Analysis of dendrite initiation, owing to filling of pores with lithium by means of microcracks, and propagation, caused by wedge opening, shows that there are two separate processes during dendrite failure of lithium metal solid-state batteries.
- Ziyang Ning
- , Guanchen Li
- & Peter G. Bruce
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Perspective |
Lead immobilization for environmentally sustainable perovskite solar cells
An analysis of chemical processes to immobilize lead from perovskite solar cells is presented, highlighting the need for a standard lead-leakage test and mathematical model to reliably evaluate the potential environmental risk of perovskite optoelectronics.
- Hui Zhang
- , Jin-Wook Lee
- & Nam-Gyu Park
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Inverted perovskite solar cells using dimethylacridine-based dopants
A dimethylacridine-based molecular doping process is used to construct a well-matched p-perovskite/indium tin oxide contact, along with all-round passivation of grain boundaries, achieving a certified power conversion efficiency of 25.39%.
- Qin Tan
- , Zhaoning Li
- & Zhubing He
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| Open AccessFlexible solar cells based on foldable silicon wafers with blunted edges
Modules of foldable crystalline silicon solar cells retain their power-conversion efficiency after being subjected to bending stress or exposure to air-flow simulations of a violent storm.
- Wenzhu Liu
- , Yujing Liu
- & Zhengxin Liu
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CO2-mediated organocatalytic chlorine evolution under industrial conditions
A study shows that an organocatalyst with an amide functional group, and carbon dioxide, can efficiently and selectively produce chlorine, potentially offering a low-cost and less energy intensive alternative to the chlor-alkali process.
- Jiarui Yang
- , Wen-Hao Li
- & Yadong Li
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Constrained C2 adsorbate orientation enables CO-to-acetate electroreduction
A study using a copper-in-silver dilute alloy catalyst in a high-pressure gas flow reactor reports highly selective electrosynthesis of acetate from carbon monoxide.
- Jian Jin
- , Joshua Wicks
- & Yuanjie Pang
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Near-frictionless ion transport within triazine framework membranes
The authors develop a strategy that allows the diffusion limit of ions in water to be approached for large-area, free-standing, synthetic membranes using covalently bonded polymer frameworks with rigidity-confined ion channels.
- Peipei Zuo
- , Chunchun Ye
- & Tongwen Xu
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Article
| Open AccessOrbital-resolved observation of singlet fission
Time- and angle-resolved photoemission spectroscopy is used to observe the primary step of singlet fission with orbital resolution indicating a charge-transfer mediated mechanism with a hybridization of states in the lowest bright singlet exciton.
- Alexander Neef
- , Samuel Beaulieu
- & Ralph Ernstorfer
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Deforming lanthanum trihydride for superionic conduction
By creating nanosized grains and defects in lanthanum trihydride, its electronic conductivity can be suppressed, transforming it into a superionic conductor at −40 °C with a record high H− conductivity.
- Weijin Zhang
- , Jirong Cui
- & Ping Chen
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A LaCl3-based lithium superionic conductor compatible with lithium metal
A LaCl3-based lithium superionic conductor is developed that has excellent interfacial compatibility with lithium metal electrodes, with its optimized Li0.388Ta0.238La0.475Cl3 electrolyte exhibiting good Li+ conductivity and low activation energy.
- Yi-Chen Yin
- , Jing-Tian Yang
- & Hong-Bin Yao
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Improving interface quality for 1-cm2 all-perovskite tandem solar cells
A self-assembled monolayer of (4-(7H-dibenzo[c,g]carbazol-7-yl)butyl)phosphonic acid is integrated in wide-bandgap perovskite solar cells, which enables a high power conversion efficiency and low open-circuit voltage deficiency, as well as efficient centimetre-scale all-perovskite tandem solar cells.
- Rui He
- , Wanhai Wang
- & Dewei Zhao
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Suppressed phase segregation for triple-junction perovskite solar cells
All-perovskite triple-junction solar cell devices have been fabricated, with a certified efficiency of 23.3%; these devices retain 80% of their initial efficiency following 420 hours of operation.
- Zaiwei Wang
- , Lewei Zeng
- & Edward H. Sargent
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Electrolyte design for Li-ion batteries under extreme operating conditions
An electrolyte design strategy based on a group of soft solvents is used to achieve lithium-ion batteries that operate safely under extreme conditions without lithium plating and with the capability of fast charging.
- Jijian Xu
- , Jiaxun Zhang
- & Chunsheng Wang
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A ligand insertion mechanism for cooperative NH3 capture in metal–organic frameworks
A three-dimensional metal–organic framework reversibly binds ammonia by cooperative insertion into its metal–linker bonds to form a dense, one-dimensional coordination polymer, enabling high-capacity ammonia uptake with intrinsic thermal management.
- Benjamin E. R. Snyder
- , Ari B. Turkiewicz
- & Jeffrey R. Long
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Anomalous thermal transport under high pressure in boron arsenide
Competition between three- and four-phonon scattering processes is shown to be the source of a unique anomalous thermal conductivity in boron arsenide at high pressures.
- Suixuan Li
- , Zihao Qin
- & Yongjie Hu
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Regulating surface potential maximizes voltage in all-perovskite tandems
Because open-circuit voltage deficit is greater in wide-bandgap perovskite solar cells, the authors introduce diammonium molecules to modify perovskite surface states and achieve a more uniform spatial distribution of surface potential, enabling record voltage all-perovskite tandem solar cells.
- Hao Chen
- , Aidan Maxwell
- & Edward H. Sargent
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Perovskite solar cells based on screen-printed thin films
Using a stable and viscosity-tunable perovskite ink, a hybrid perovskite thin-film photovoltaic device can be deposited by the screen-printing method, which exhibits higher efficiency compared with previously investigated techniques.
- Changshun Chen
- , Jianxin Chen
- & Wei Huang
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Strain-retardant coherent perovskite phase stabilized Ni-rich cathode
The introduction of a coherent perovskite phase into the layered structure of a lithium-ion battery reduces lattice strain and stress to produce a robust crystal structure.
- Liguang Wang
- , Tongchao Liu
- & Jun Lu
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Pivotal role of reversible NiO6 geometric conversion in oxygen evolution
An electron transfer mechanism that involves a light-triggered geometric conversion between metal and oxygen redox chemistry shows superior performance compared with approaches that use either metal or oxygen redox chemistry.
- Xiaopeng Wang
- , Shibo Xi
- & Junmin Xue
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Spatiotemporal imaging of charge transfer in photocatalyst particles
Photovoltage measurements on cuprous oxide photocatalyst particles are used to spatiotemporally track the charge transfer processes on the femtosecond to second timescale at the single-particle level.
- Ruotian Chen
- , Zefeng Ren
- & Can Li
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Compositionally complex doping for zero-strain zero-cobalt layered cathodes
A compositionally complex (high-entropy) doping strategy is proposed to fabricate zero-strain high-Ni and Co-free layered cathodes with superior structural and mechanical stabilities and long cycle life.
- Rui Zhang
- , Chunyang Wang
- & Huolin L. Xin