Power conversion efficiency (PCE) of organic solar cells (OSCs) has crossed the 18% mark for OSCs, which are largely fabricated by spin-coating, and optimal photoactive thickness is limited to 100 nm. To increase reproducibility results with industrial roll-to-roll (R2R) processing, slot-die coating coupled a ternary strategy performance large-area, thick OSCs used. Based on miscibility differences, highly crystalline molecule, BTR-Cl, incorporated, phase-separation kinetics D18:Y6 film...

Abstract The power conversion efficiency (PCE) of organic solar cells (OSCs) has reached high values over 19%. However, most the high‐efficiency OSCs are fabricated by spin‐coating with toxic solvents and optimal photoactive layer thickness is limited to 100 nm, limiting practical development OSCs. It a great challenge obtain ideal morphology for thick‐film when using non‐halogenated due unfavorable film formation kinetics. Herein, ternary (300 nm) PCE 15.4% based on PM6:BTR‐Cl:CH1007 hot...

Flexible metal electrodes are essential for flexible electronics, where the main challenge is to obtain mask-free patterned metals directly on substrates such as poly(dimethylsiloxane) (PDMS) at low cost. This work highlights a feasible strategy named femtosecond laser-activated deposition electroless of (Cu, Ni, Ag, and Au) PDMS, which suitable maskless low-cost fabrication layers PDMS even other materials different natures including polyethylene terephthalate, paper, Si, glass. The...

The stable coexistence of insulating and metallic phases in strained vanadium dioxide (VO2) has garnered significant research interest due to the intriguing phase transition phenomena. However, temporal behavior charge carriers different VO2 remains elusive. Herein, we employ near-field optical nanoscopy capture nanoscale alternating domains bent nanobeams. By conducting transient measurements across phases, observed a prolonged carrier recombination lifetime VO2, accompanied by an...

In recent years, semitransparent organic solar cells (ST-OSCs) receive more and attention due to their applications in building-integrated photovoltaics. There is a complicated trade-off between the average visible transmittance (AVT) power conversion efficiency (PCE), which determine overall light utilization (LUE) of ST-OSCs. this work, ST-OSCs are fabricated using ZnO as buffer layer an ultrathin metal electrode active PM6:Y7. Moreover, Ag nanowires (Ag NWs) embedded into film increase...

Miniaturized spectrometers in the mid-infrared (MIR) are critical developing next-generation portable electronics for advanced sensing and analysis. The bulky gratings or detector/filter arrays conventional micro-spectrometers set a physical limitation to their miniaturization. In this work, we demonstrate single-pixel MIR micro-spectrometer that reconstructs sample transmission spectrum by spectrally dispersed light source instead of spatially grated beams. tunable is realized based on...

Abstract For first-order phase transitions, the second derivatives of Gibbs free energy (specific heat and compressibility) diverge at transition point, resulting in an effect known as super-elasticity along pressure axis, or super-thermicity temperature axis. Here we report a chemical analogy these singularity effects atomic doping where derivative (chemical susceptibility) diverges leading to anomalously high barrier for dopant diffusion co-existing phases, coin super-susceptibility. The...

Esaki diodes based on interband tunneling have the characteristics of negative differential resistance (NDR) and ultrafast transient time, which lead to broad applications including oscillators, multivalue memories, terahertz detectors. In this paper, we present first demonstration 2-D/3-D heterojunctions-more specifically, chemical vapor deposition MoS <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sub> degenerately doped silicon. As...

In this work, the authors compare surface coverage obtained in initial and intermediate steps of Al2O3 TiO2 atomic layer deposition on MoS2 surfaces prepared by either mechanical exfoliation or chemical vapor (CVD). They find that film is highly dependent origin preparation starting surface. While can be used to quickly obtain few-layer surfaces, these exhibit significant variability quality cleanliness, leading unpredictable growth. Conversely, grown CVD provides a more reliable resulting...

The small size of robotic microswimmers makes them suitable for performing biomedical tasks in tiny, enclosed spaces. Considering the effects potentially long-term retention biological tissues and environment, degradability has become one pressing issues this field. While degradable hydrogel was successfully used to prepare previous reports, most could only be fabricated using two-photon polymerization (TPP) due their 3D structures, resulting costly solution. This limits potential...

Optical patterning of colloidal particles is a scalable and cost-effective approach for creating multiscale functional structures. Existing methods often use high-intensity light sources customized optical setups, making them less feasible large-scale microfabrication processes. Here, we report an method semiconductor nanoparticles by light-triggered modulation their surface charge. Rather than using as the primary energy source, this utilizes UV-induced cleavage ligands to modify charges,...

Abstract As an important component of the modern economy, service industry’s energy consumption and carbon emissions increasingly impact environment. This article constructs application system for a large amount electricity data analysis, aiming to accurately calculate predict in industry through calculation model carbon. combines big data, machine learning, optimization algorithms. It compares use models such as ARIMAX, BP neural network, LSTM improve accuracy reliability emission...

In this paper, we review our research on nanoscale electronic and optoelectronic devices based two-dimensional (2D) materials ferroelectric materials. Our study reveals that the current transport in graphene is highly influenced by number of layers, local topography, gate dielectrics graphene. High-performance radio-frequency (RF) plasmonic photodetectors were fabricated We also synthesized monolayer molybdenum disulfide (MoS <sub xmlns:mml="http://www.w3.org/1998/Math/MathML"...

With the wide application of spaceborne lidar, 2 μm laser with high repetition rate and energy has become an important candidate for coherent detection lidar. Conductively cooling is recognized as critical technology energy, lasers. The structure thermal design a totally conductively cooled, diode side-pumped, amplifier introduced in paper. consists 20-mm-long Tm: Ho: YLF crystal pumped by 2-banks 3-radially arranged lasers (LD). Through research analysis coupling head, scheme satisfying...

With the development of Internet Things (IoT), organic solar cells (OSCs) have shown great potential for efficiently converting indoor light into electricity as a self-suitable power source IoT systems. Fullerene and its derivatives been widely used electron acceptors in OSCs because their spectral matches avoidable photodimerization. In this study, device performance fullerene PC61BM-based blended with three different donor polymers was investigated under lighting conditions. The devices...

<p indent="0mm">In past decades, organic solar cells (OSCs) have attracted much attention due to their advantages such as light weight, flexibility, variable color, adjustable band gap and roll-to-roll (R2R) manufacturing. Recently, the certificated power conversion efficiency (PCE) of single-junction OSCs has exceeded 18%, showing great potential for commercial applications. The outstanding performance strongly depends on innovative research synthesis efficient active materials. However,...