Artificial carbon fixation is a promising pathway for achieving the carbon cycle and environment remediation. However, the sluggish kinetics of oxygen evolution reaction (OER) and poor selectivity of CO₂ reduction seriously limited the overall conversion efficiencies of solar energy to chemical fuels. Herein, we demonstrated a facile and feasible strategy to rationally regulate the coordination environment and electronic structure of surface-active sites on both photoanode and cathode. More specifically, the defect engineering has been employed to reduce the coordination number of ultrathin FeNi catalysts decorated on BiVO₄ photoanodes, resulting in one of the highest OER activities of 6.51 mA cm⁻² (1.23 V_RHE, AM 1.5G). Additionally, single-atom cobalt (II) phthalocyanine anchoring on the N-rich carbon substrates to increase Co–N coordination number remarkably promotes CO₂ adsorption and activation for high selective CO production. Their integration achieved a record activity of 109.4 μmol cm⁻² h⁻¹ for CO production with a faradaic efficiency of > 90%, and an outstanding solar conversion efficiency of 5.41% has been achieved by further integrating a photovoltaic utilizing the sunlight (> 500 nm).

Ultraprecise fluorescence nanoscopy techniques such as MINFLUX and RASTMIN are enabling molecular-scale imaging and tracking in biologically relevant conditions. However, their implementation is challenging and requires stabilizing the position of the sample during the relatively long measurement times of minutes or tens of minutes. Scientists have developed an open-source system based on commonly available hardware that achieves sub-nanometric stabilization of the sample position for hours, opening the way for widespread application of single-molecule localization with true nanometer precision.

Researchers led by Prof. Zihan Geng at Tsinghua University and collaborators have developed a hybrid noise analysis method for single-pixel imaging in complex environments. By integrating physically consistent degradation modeling with structured training, the method overcomes illumination fluctuations, blurring, jitter, and detection noise, enabling high-quality image reconstruction under complex degradations. This advance enhances the stability of single-pixel imaging in real-world settings, laying a foundation for applications in life sciences, industrial inspection, and remote sensing.

Recently, addressing the inherent timescale mismatch challenge between fast and slow responses in optoelectronic sensors, a collaborative team from Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences (Yukun ZHAO, Shulong LU, Min JIANG), Fudan University (Lifeng BIAN), and Suzhou University of Science and Technology (Jianya ZHANG) has proposed an innovative monolithic integration scheme. By combining surface defect introduction and local contact interface design with a gallium nitride (GaN) nanowire lift-off technique that eliminates the interference from the underlying silicon substrate, the team integrates fast and slow responses into a single device. This results in a transparent bifunctional device capable of self-driven detection and neural synaptic integration, with omnidirectional (360°) detection capability. As a photodetector, the device demonstrates the millisecond-level response speeds, while it exhibits the second- to minute-level relaxation time as an artificial synapse, achieving an over 1000-fold contrast in response dynamics. The device has been validated in the intelligent perception systems for humanoid robots successfully, advancing the development of multifunctional monolithic optoelectronic devices and providing a solid foundation for further research in related fields.

 

The work entitled "A dual-mode transparent device for 360° quasi-omnidirectional self-driven photodetection and efficient ultralow-power neuromorphic computing" was published in Light: Science & Applications.

Coherent diffractive imaging (CDI), with its lensless geometry and theoretically perfect transfer function, is considered as one of the most promising paradigms to achieve the Abbe resolution limit. Towards this goal, Chinese scientists developed a novel computational framework termed ‘rigorous Fraunhofer diffraction’ that eliminates the Ewald sphere effect in CDIs, particularly for high NAs. It has achieved a k = 0.501 imaging factor in nearly 0.9NA CDI, pushing the Abbe resolution diffraction limit for the first time in ultra-high-NA scenarios. Leveraging this the ultra-high NA and the Abbe-limit k-factor, it demonstrates a record-high imaging resolution of 0.57 λ for CDIs.

A global collaboration including Sunwoda, Chery, Nobel laureate M. Stanley Whittingham, Semitronix, the University of Delaware, and Advance Power, has proposed the "Integrated Battery Large Model," the first AI-driven paradigm covering the entire lithium-ion battery lifecycle. Published in National Science Open, the work outlines a new paradigm for intelligent battery design, manufacturing optimization, defect diagnosis, and lifecycle management through multi-modal AI and simulation synergy.

High-resolution full-color quantum dot light-emitting diode (QLED) displays still face significant challenges, particularly limitations in restricted pixelation manufacturing process and the operational longevity of specific pixels. Researchers have developed a single-layer color-tunable QLEDs technology that achieves color-tunable emission via operating voltage adjustment, avoiding complex tandem structures while demonstrating record-breaking external quantum efficiency （EQE） and broad color gamut including standard white emission, highlighting significant potential for application in full-color display and lighting technologies.

Regurgitation in insects is generally regarded as having digestive and defensive functions. Despite a significant aversion of locust regurgitation to some predators, the defensive mechanisms against predators remain unclear. Now, writing in the journal SCIENCE CHINA Life Sciences, a team of researchers from Hebei University reveals the basis of this defense. According to the study, a specific mixture of three compounds in locust regurgitation deters predators like fire ants by stimulating their gustatory responses. The findings could provide insights into prey-predator interactions and insect defense strategies.