bluuebunny/crossref_metadata_2025_split huggingface dataset:
Social anxiety and phubbing: The mediating role of problematic social networking and the moderating role of family socioeconomic status
Authors: Chu Xiaoyuan , Chen Yuxin , Litifu Alafate , Zhou Yang , Xie Xiaochun , Wei Xinyi , Lei Li 
Published: September 2023

AbstractPhubbing harms relationships and reduces well‐being of phubbees. However, limited research has explored the potential causes and underlying mechanisms for phubbing; and an important risk factor, social anxiety, has been largely ignored from previous studies. The present study employed a moderated mediation model to examine whether social anxiety was positively related to phubbing, whether problematic social networking mediated the relationship, and whether the first path of this mediating process was moderated by family socioeconomic status. The data of 1379 undergraduates (Mage = 18.84; SD = 0.94) were collected anonymously to test the model. Findings demonstrated that social anxiety was positively linked to phubbing, problematic social networking mediated the linkage, and family socioeconomic status played a moderating role in the first stage. Specifically, the indirect association between social anxiety and phubbing via problematic social networking was stronger for undergraduates with lower family socioeconomic status. Results provide a new perspective for understanding phubbing and highlight the significance of uncovering the underlying mechanisms.
Adaptive tracking control for random nonlinear system
Authors: Yao Liqiang , Feng Likang , Wu Zhaojing 
Published: September 2023

SummaryIn this note, we consider a class of strict‐feedback random nonlinear system with unknown parameters,which is different from nonlinear systems described by Itó stochastic differential equations. The skills to deal with the effect of Wiener process for stochastic nonlinear systems are not suitable for random nonlinear system. We employ separation technique to design an adaptive backstepping controller such that the output can practically track a given signal and other signals are bounded in probability. A simulation example is presented to demonstrate reasonability and efficiency of the proposed method. Copyright © 2017 John Wiley & Sons, Ltd.
Energy and the social contract: From “energy consumers” to “people with a right to energy”
Authors: Jiglau George , Hesselman Marlies , Dobbins Audrey , Grossmann Katrin , Guyet Rachel , Tirado Herrero Sergio , Varo Anaïs 
Published: September 2023

AbstractThroughout the last decade, the goal of acknowledging and alleviating energy poverty has made its way to the core of energy policies across the world, including the high‐standing SDG7 as a benchmark. While much debate is still devoted to conceptual and empirical clarifications, its measurement through indicators, or the appropriate policies aimed at tackling it, there is widespread acceptance that energy poverty impacts tens of millions of lives across Europe and beyond. More recently, energy poverty has been deepened by a succession of international crises. We argue that the responses currently enacted to address energy poverty, in the context of these overlapping crises, point to a more profound problem that pre‐existed the crises and reflects the current paradigm for household energy access. In this article, we aim to tie some of the loose ends in debates around the right to energy. We address some essential underpinnings of a rights‐based approach to energy, by connecting existing narratives to the broader scope of the social contract, used as a concept which bears implications on the social and economic arrangements emphasized by the fundamental pillars of SDGs. We argue that, because energy markets are highly sensitive to instability and crisis contexts, there is a need to shift the paradigm from energy as a commodity purchased by consumers from markets towards energy as a right of people living in modern political communities, and tailoring energy policies around the right to energy.
Engineering Self‐Adaptive Multi‐Response Thermochromic Hydrogel for Energy‐Saving Smart Windows and Wearable Temperature‐Sensing
Authors: Xie Long , Wang Xuechuan , Zou Xiaoliang , Bai Zhongxue , Liang Shuang , Wei Chao , Zha Siyu , Zheng Manhui , Zhou Yi , Yue Ouyang , Liu Xinhua 
Published: September 2023

AbstractBuildings account for ≈40% of the total energy consumption. In addition, it is challenging to control the indoor temperature in extreme weather. Therefore, energy‐saving smart windows with light regulation have gained increasing attention. However, most emerging base materials for smart windows have disadvantages, including low transparency at low temperatures, ultra‐high phase transition temperature, and scarce applications. Herein, a self‐adaptive multi‐response thermochromic hydrogel (PHC‐Gel) with dual temperature and pH response is engineered through “one‐pot” integration tactics. The PHC‐Gel exhibits excellent mechanical, adhesion, and electrical conductivity properties. Notably, the low critical solubility temperature (LCST) of PHC‐Gel can be regulated over a wide temperature range (20–35 °C). The outdoor practical testing reveals that PHC‐Gel has excellent light transmittance at low temperatures and radiation cooling performances at high temperatures, indicating that PHC‐Gel can be used for developing energy‐saving windows. Actually, PHC‐Gel‐based thermochromic windows show remarkable visible light transparency (Tlum ≈ 95.2%) and solar modulation (△Tsol ≈ 57.2%). Interestingly, PHC‐Gel has superior electrical conductivity, suggesting that PHC‐Gel can be utilized to fabricate wearable signal‐response and temperature sensors. In summary, PHC‐Gel has broad application prospects in energy‐saving smart windows, smart wearable sensors, temperature monitors, infant temperature detection, and thermal management.
Tailoring Phase Distribution of Quasi‐2D Perovskites via Taurine‐Assistance Enables Efficient Blue Light‐Emitting Diodes
Authors: Qi Zifu , Yuan Longfei , Ding Weigang , Qin Zhanpeng , Wang Shirong , Liu Hongli , Li Xianggao 
Published: September 2023

AbstractQuasi‐2D (Q‐2D) perovskites with typical varied n‐phase structures deserve promising candidates in pursuing high‐performance perovskite light‐emitting diodes (PeLEDs). Whereas their weakness in precise n‐phase distribution control disables the optical property of PeLEDs since the n = 1 phase is dominated by severe nonradiative recombination. Here, an effective phase distribution tailoring strategy is developed for pure blue PeLEDs by introducing taurine (TAU) into mixed halide Q‐2D perovskites. The sulfonic acid group in TAU can coordinate with Pb2+ to suppress the formation of the n = 1 phase while promoting the growth of Q‐2D perovskites into domains with the graded distribution of n = 2 and 3. The amino group in TAU forms hydrogen bonds with electronegative halide ions, suppressing the formation of halide vacancies and reducing the defect density in the Q‐2D perovskite films. As a result, optimized blue Q‐2D perovskite films boosted PLQY to 92%. Target blue PeLED was endowed with a peak EQE of 14.82% (average 12.6%) at 475 nm and a maximum luminance of 1937 cd m−2, which is among the reported high‐level pure blue PeLEDs. This work demonstrates a feasible approach to regulate the phase distribution of Q‐2D perovskites for high‐performance blue PeLEDs.
Grafted Alkene Chains: Triggers for Defeating Contact Thermal Resistance in Composite Elastomers
Authors: Yang Min , Pang Yunsong , Li Junhong , Zhou Wei , Ren Linlin , Sun Rong , Zeng Xiaoliang 
Published: September 2023

AbstractThe pursuit of enhancing the heat transfer performance of composite elastomers as the thermal interface materials (TIMs) is a compelling and timely endeavor, given the formidable challenges posed by interfacial thermal transport in the domains of energy science, electronic technology, etc. Despite the efficacy of phase change materials (PCMs) in enhancing composite elastomers’ interfacial compatibility, thereby reducing contact thermal resistance for heat transfer improvement, their leakage post‐transition has impeded the widespread adoption of this approach. Herein, a strategy is proposed for developing a solid‐solid phase change composite elastomer by grafting alkene chains onto the crosslink network to eliminate the possibility of leakage. A series characterization suggest that the resulting material possesses a self‐adjusting interfacial compatibility feature to help reduce contact thermal resistance for heat transfer facilitating. The investigations on adhesion strength and surface energy reveal that the presence of amorphous grafted alkane chains at the interface facilitates easier absorption onto the contacting solid surface, enhancing intermolecular interactions at the interface to promote across‐boundary heat transfer. By integrating these findings with the thermal performance evaluation of composite elastomers using a real test vehicle, valuable insights are gained for the design of composite elastomers, establishing their suitability as TIMs in relevant fields.
pH Tunable Patterning of Quantum Dots
Authors: Torun Ilker , Huang Conan , Kalay Mustafa , Shim Moonsub , Onses M. Serdar 
Published: September 2023

AbstractPatterning of quantum dots (QDs) is essential for many, especially high‐tech, applications. Here, pH tunable assembly of QDs over functional patterns prepared by electrohydrodynamic jet printing of poly(2‐vinylpyridine) is presented. The selective adsorption of QDs from water dispersions is mediated by the electrostatic interaction between the ligand composed of 3‐mercaptopropionic acid and patterned poly(2‐vinylpyridine). The pH of the dispersion provides tunability at two levels. First, the adsorption density of QDs and fluorescence from the patterns can be modulated for pH > ≈4. Second, patterned features show unique type of disintegration resulting in randomly positioned features within areas defined by the printing for pH ≤ ≈4. The first capability is useful for deterministic patterning of QDs, whereas the second one enables hierarchically structured encoding of information by generating stochastic features of QDs within areas defined by the printing. This second capability is exploited for generating addressable security labels based on unclonable features. Through image analysis and feature matching algorithms, it is demonstrated that such patterns are unclonable in nature and provide a suitable platform for anti‐counterfeiting applications. Collectively, the presented approach not only enables effective patterning of QDs, but also establishes key guidelines for addressable assembly of colloidal nanomaterials.
Gram‐Scale Mechanochemical Synthesis of Atom‐Layer MoS2 Semiconductor Electrocatalyst via Functionalized Graphene Quantum Dots for Efficient Hydrogen Evolution
Authors: Hu Bingjie , Wu Yao , Wang Kang , Guo Huazhang , Lei Zhendong , Liu Zheng , Wang Liang 
Published: September 2023

AbstractThe development of advanced and efficient synthetic methods is pivotal for the widespread application of 2D materials. In this study, a facile and scalable solvent‐free mechanochemical approach is approached, employing graphene quantum dots (GQDs) as exfoliation agents, for the synthesis and functionalization of nearly atom‐layered MoS2 nanosheets (ALMS). The resulting ALMS exhibits an ultrathin average thickness of 4 nm and demonstrates high solvent stability. The impressive yield of ALMS reached 63%, indicating its potential for scalable production of stable nanosheets. Remarkably, the ALMS catalyst exhibits excellent HER performance. Moreover, the ALMS catalyst showcases exceptional long‐term durability, maintaining stable performance for nearly 200 h, underscoring its potential as a highly efficient and durable electrocatalyst. Significantly, the catalytic properties of ALMS are significantly influenced by ball milling production conditions. The GQD‐assisted large‐scale machinery synthesis pathway provides a promising avenue for the development of efficient and high‐performance ultrathin 2D materials.
High‐Efficiency and Emission‐Tunable Inorganic Blue Perovskite Light‐Emitting Diodes Based on Vacuum Deposition
Authors: He Zhiyuan , Peng Chencheng , Guo Runda , Chen Ben , Li Xin , Zhu Xiangyu , Zhang Jian , Liang Wenxi , Wang Lei 
Published: September 2023

AbstractThe fabrication of perovskite light‐emitting diodes (PeLEDs) with vacuum deposition shows great potential and commercial value in realizing large‐area display panel manufacturing. However, the electroluminescence (EL) performance of vacuum‐deposited PeLEDs still lags behind the counterparts fabricated by solution process, especially in the field of blue PeLEDs. Here, the fabrication of high‐quality CsPbBr3−xClx film through tri‐source co‐evaporation is reported to achieve high photoluminescence quantum yield (PLQY). Compared with the conventional traditional dual‐source co‐evaporation, the tri‐source co‐evaporation method allows for freely adjustable elemental ratios, enabling the introduction of the lattice‐matched Cs4Pb(Br/Cl)6 phase with the quantum‐limited effect into the inorganic CsPb(Br/Cl)3 emitter. By adjusting the phase distribution, the surface defects of the emitter can be effectively reduced, leading to better blue emission and film quality. Further, the effects of Cs/Pb ratio and Br/Cl ratio on the PLQY and carrier recombination dynamics of perovskite films are investigated. By optimizing the deposition rate of each precursor source, spectrally stable blue PeLEDs are achieved with tunable emission ranging from 468 to 488 nm. Particularly, the PeLEDs with an EL peak at 488 nm show an external quantum efficiency (EQE) of 4.56%, which is the highest EQE value for mixed‐halide PeLEDs fabricated by vacuum deposition.
Constructing Nanoporous Ir/Ta2O5 Interfaces on Metallic Glass for Durable Acidic Water Oxidation
Authors: Qiao Yijing , Luo Min , Cai Lebin , Kao Cheng‐wei , Lan Jiao , Meng Linghu , Lu Ying‐Rui , Peng Ming , Ma Chao , Tan Yongwen 
Published: September 2023

AbstractAlthough proton exchange membrane water electrolyzers (PEMWE) are considered as a promising technique for green hydrogen production, it remains crucial to develop intrinsically effective oxygen evolution reaction (OER) electrocatalysts with high activity and durability. Here, a flexible self‐supporting electrode with nanoporous Ir/Ta2O5 electroactive surface is reported for acidic OER via dealloying IrTaCoB metallic glass ribbons. The catalyst exhibits excellent electrocatalytic OER performance with an overpotential of 218 mV for a current density of 10 mA cm−2 and a small Tafel slope of 46.1 mV dec−1 in acidic media, superior to most electrocatalysts. More impressively, the assembled PEMWE with nanoporous Ir/Ta2O5 as an anode shows exceptional performance of electrocatalytic hydrogen production and can operate steadily for 260 h at 100 mA cm−2. In situ spectroscopy characterizations and density functional theory calculations reveal that the modest adsorption of OOH* intermediates to active Ir sites lower the OER energy barrier, while the electron donation behavior of Ta2O5 to stabilize the high‐valence states of Ir during the OER process extended catalyst's durability.
Dual Heterojunction of Etched MIL‐68(In)‐NH2 Supported Heptazine‐/Triazine‐Based Carbon Nitride for Improved Visible‐Light Nitrogen Reduction
Authors: Sun Qiufan , Zhu Yuxiang , Zhong Xiang , Wang Yan , Jiang Meng , Jia Zhengtao , Yao Jianfeng 
Published: September 2023

AbstractThis work reports a dual heterojunction of etched MIL‐68(In)‐NH2 (MN) supported heptazine‐/triazine‐based carbon nitride (HTCN) via a facile hydrothermal process for photocatalytic ammonia (NH3) synthesis. By applying the hydrothermal treatment, MN microrods are chemically etched into hollow microtubes, and HTCN with nanorod array structures are simultaneously tightly anchored on the outside surface of the microtubes. With the addition of 9 wt% HTCN, the resulting dual heterojunction presents an enhanced photocatalytic ammonia yield rate of 5.57 mm gcat−1 h−1 with an apparent quantum efficiency of 10.89% at 420 nm. Moreover, stable ammonia generation using seawater, tap water, lake water, and turbid water in the absence of sacrificial reagents verifies the potential of the dual‐heterojunction composites as a commercially viable photosystem. The obtained one‐dimensional (1D) microtubes and coating of HTCN confers this unique composite with extended visible‐light harvesting and accelerated charge carrier migration via a multi‐stepwise charge transfer pathway. This work provides a new strategy for optimizing nitrogen (N2)‐into‐ammonia conversion efficiency by designing novel dual‐heterojunction catalysts.
Controllable Synthesis of Highly Symmetrical Streamlined Structure for Wideband Microwave Absorption
Authors: Qian Yuetong , Lv Xiaowei , Lv Hualiang , Wu Zhengchen , Zhang Huibin , Liu Min , Yang Liting , Zhao Biao , Luo Kaicheng , Zhang Jincang , Che Renchao 
Published: September 2023

AbstractHighly symmetrical and streamlined nanostructures possessing unique electron scattering, electron‐phonon coupling, and electron confinement characteristics have attracted a lot of attention. However, the controllable synthesis of such a nanostructure with regulated shapes and sizes remains a huge challenge. In this work, a peanut‐like MnO@C structure, assembled by two core–shell nanosphere is developed via a facile hydrogen ion concentration regulation strategy. Off‐axis electron holography technique, charge reconstruction, and COMSOL Multiphysics simulation jointly reveal the unique electronic distribution and confirm its higher dielectric sensitive ability, which can be used as microwave absorption to deal with currently electromagnetic pollution. The results reveal that the peanut‐like core–shell MnO@C exhibits great wideband properties with effective absorption bandwidth of 6.6 GHz, covering 10.8–17.2 GHz band. Inspired by this structure‐induced sensitively dielectric behavior, promoting the development of symmetrical and streamlined nanostructure would be attractive for many other promising applications in the future, such as piezoelectric material and supercapacitor and electromagnetic shielding.
Interphase Engineering Enhanced Electro‐chemical Stability of Prelithiated Anode
Authors: Xu Shiwei , Fang Qiu , Wu Jipeng , Weng Suting , Li Xiaoyun , Liu Qiuyan , Wang Qiyu , Yu Xiqian , Chen Liquan , Li Yejing , Wang Zhaoxiang , Wang Xuefeng 
Published: September 2023

AbstractPrelithiation is an essential technology to compensate for the initial lithium loss of lithium‐ion batteries due to the formation of solid electrolyte interphase (SEI) and irreversible structure change. However, the prelithiated materials/electrodes become more reactive with air and electrolyte resulting in unwanted side reactions and contaminations, which makes it difficult for the practical application of prelithiation technology. To address this problem, herein, interphase engineering through a simple solution treatment after chemical prelithiation is proposed to protect the prelithiated electrode. The used solutions are carefully selected, and the composition and nanostructure of the as‐formed artificial SEIs are revealed by cryogenic electron microscopy and X‐ray photoelectron spectroscopy. The electrochemical evaluation demonstrates the unique merits of this artificial SEI, especially for the fluorinated interphase, which not only enhances the interfacial ion transport but also increases the tolerance of the prelithiated electrode to the air. The treated graphite electrode shows an initial Coulombic efficiency of 129.4%, a high capacity of 170 mAh g−1 at 3 C, and negligible capacity decay after 200 cycles at 1 C. These findings not only provide a facile, universal, and controllable method to construct an artificial SEI but also enlighten the upgrade of battery fabrication and the alternative use of advanced electrolytes.
Inhibiting Mg Diffusion and Evaporation by Forming Mg‐Rich Reservoir at Grain Boundaries Improves the Thermal Stability of N‐Type Mg3Sb2 Thermoelectrics
Authors: Geng Yang , Li Zerong , Lin Zehao , Liu Yali , Lai Qiangwen , Wu Xuelian , Hu Lipeng , Liu Fusheng , Yu Yuan , Zhang Chaohua 
Published: September 2023

AbstractN‐type Mg3Sb2‐based thermoelectric materials show great promise in power generation due to their mechanical robustness, low cost of Mg, and high figure of merit (ZT) over a wide range of temperatures. However, their poor thermal stability hinders their practical applications. Here, MgB2 is introduced to improve the thermal stability of n‐type Mg3Sb2. Enabled by MgB2 decomposition, extra Mg can be released into the matrix for Mg compensation thermodynamically, and secondary phases of Mg─B compounds can kinetically prevent Mg diffusion along grain boundaries. These synergetic effects inhibit the formation of Mg vacancies at elevated temperatures, thereby enhancing the thermal stability of n‐type Mg3Sb2. Consequently, the Mg3.05(Sb0.75Bi0.25)1.99Te0.01(MgB2)0.03 sample exhibits negligible variation in thermoelectric performance during the 120‐hour continuous measurement at 673 K. Moreover, the ZT of n‐type Mg3Sb2 can be maintained by adding MgB2, reaching a high average ZT of ≈1.1 within 300–723 K. An eight‐pair Mg3Sb2‐GeTe‐based thermoelectric device is also fabricated, achieving an energy conversion efficiency of ≈5.7% at a temperature difference of 438 K with good thermal stability. This work paves a new way to enhance the long‐term thermal stability of n‐type Mg3Sb2‐based alloys and other thermoelectrics for practical applications.
Hydrogen Bond Boosted Ferroelectric Polarization Enables High Rate Capability Lithium Metal Batteries
Authors: Wang Wenran , Ma Li , Xu Baolei , Zhu Hai , Zhang Chunxiao , Chen Libao , Wei Weifeng 
Published: September 2023

AbstractLithium metal is considered as a promising anode material for next generation lithium‐based batteries due to its highest specific capacity and lowest reduction potential. However, irreversible lithium stripping/depositing gives rise to severe dendritic growth and countless dead lithium, which lead to rapid electrochemical performance degradation and increased safety hazards, and thus limit its large‐scale application. Herein, this work demonstrates a universal hydrogen‐bond‐induced strategy to in situ form a highly polarized ferroelectric polyvinylidene fluoride (PVDF) coating on the anode current collector. The localized electric field induced by the polarized ferroelectric PVDF can accelerate the migration of lithium ions and alleviate the shortage of lithium ions and uneven ion/electron distribution and transfer at the anode/electrolyte interface, thus promoting uniform deposition and stripping of Li+ at high‐rate situations. As a result, the symmetrical Li || Li batteries with polarized PVDF coating exhibit a long cycling lifespan over 900 h under 2 mA cm−2 with marginal voltage polarization, and an ultra‐high‐rate performance up to 8.85 mA cm−2. The full cells using LiFePO4 cathode also display enhanced electrochemical performance. The innovative strategy of ferroelectric polarization sheds light on interface engineering to circumvent Li dendrite growth in lithium metal batteries (LMBs).