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学者姓名：倪永浩
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Abstract ：
The construction of high-strength hydrogels is essential for engineering applications but is often limited by poor durability under stress. Current post-treatment methods are inefficient and time consuming. Inspired by muscle building, we propose a green, efficient, and synergistic enhancement method. The dynamic stretching of the PVA hydrogel in LS solution promotes the formation of an ordered polymer network, while LS can fix the ordered structure. After 500 stretching cycles (approximately 16.7 min), the tensile strength, toughness, and Young's modulus increase by 76-fold, 117-fold, and 304-fold, respectively, outperforming single treatments such as soaking or training. Multitechnique analyses reveal that nanoscale crystalline domains and microscale-ordered polymers drive these macroscopic improvements. Notably, the LS solution can be substituted with other solvents to achieve similar effects, demonstrating excellent adaptability, scalability, and efficiency. This rapid and straightforward synergistic enhancement technology holds great promise for overcoming the challenges of constructing and applying high-strength hydrogels.
Keyword ：
Crystalline Domains Crystalline Domains Lignosulfonate Sodium (LS) Lignosulfonate Sodium (LS) Muscle Building Muscle Building Ordered Polymer Ordered Polymer Poly(vinyl alcohol)(PVA)Hydrogel Poly(vinyl alcohol)(PVA)Hydrogel
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| GB/T 7714 | Pan, Xiaofeng , Li, Xiang , Wang, Rui et al. Accelerated Hydrogel Strengthening: Synergy between Mechanical Training and Lignin Intake [J]. | NANO LETTERS , 2025 , 25 (11) : 4526-4531 . |
| MLA | Pan, Xiaofeng et al. "Accelerated Hydrogel Strengthening: Synergy between Mechanical Training and Lignin Intake" . | NANO LETTERS 25 . 11 (2025) : 4526-4531 . |
| APA | Pan, Xiaofeng , Li, Xiang , Wang, Rui , Wang, Zhongkai , Ni, Yonghao , Wang, Qinhua . Accelerated Hydrogel Strengthening: Synergy between Mechanical Training and Lignin Intake . | NANO LETTERS , 2025 , 25 (11) , 4526-4531 . |
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有机太阳能电池（OSCs）具有成本低、可大规模溶液加工、轻量化和柔性等优势，近年来已引起人们的广泛关注，当前OSCs的最高光电转换效率已超过19%。然而，绝大多数OSCs材料主要是采用化石资源衍生物制造，这对OSCs的可持续发展构成了严重威胁。研究者已开展了大量关于生物质基光电材料的开发工作，并成功将这些材料用作OSCs的衬底、光敏活性层与载流子传输层。本文首先对OSCs的器件结构和工作原理进行了介绍，重点对木质素、纤维素、叶绿素等生物质基光电材料的制备及其在OSCs中的应用展开综述，最后对生物质基OSCs材料的发展方向做出了展望，旨在为后续的相关研发工作提供借鉴。
Keyword ：
有机太阳能电池 有机太阳能电池 生物质基衬底 生物质基衬底 阳极界面材料 阳极界面材料 阴极界面材料 阴极界面材料
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| GB/T 7714 | 吴邦雪 , 赵轩 , 欧阳新华 et al. 生物质基有机太阳能电池材料研究进展 [J]. | 中国造纸 , 2024 , 43 (03) : 47-55 . |
| MLA | 吴邦雪 et al. "生物质基有机太阳能电池材料研究进展" . | 中国造纸 43 . 03 (2024) : 47-55 . |
| APA | 吴邦雪 , 赵轩 , 欧阳新华 , 陈礼辉 , 黄六莲 , 倪永浩 et al. 生物质基有机太阳能电池材料研究进展 . | 中国造纸 , 2024 , 43 (03) , 47-55 . |
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Supramolecular hydrogels are typically assembled through weak non-covalent interactions, posing a significant challenge in achieving ultra strength. Developing a higher strength based on molecular/nanoscale engineering concepts is a potential improvement strategy. Herein, a super-tough supramolecular hydrogel is assembled by gradually diffusing lignosulfonate sodium (LS) into a polyvinyl alcohol (PVA) solution. Both simulations and analytical results indicate that the assembly and subsequent enhancement of the crosslinked network are primarily attributed to LS-induced formation and gradual densification of strong crystalline domains within the hydrogel. The optimized hydrogel exhibits impressive mechanical properties with tensile strength of approximate to 20 MPa, Young's modulus of approximate to 14 MPa, and toughness of approximate to 50 MJ m(-3), making it the strongest lignin-PVA/polymer hydrogel known so far. Moreover, LS provides the supramolecular hydrogel with excellent low-temperature stability (<-60 degrees C), antibacterial, and UV-blocking capability (approximate to 100%). Interestingly, the diffusion ability of LS is demonstrated for self-restructuring damaged supramolecular hydrogel, achieving 3D patterning on hydrogel surfaces, and enhancing the local strength of the freeze-thaw PVA hydrogel. The goal is to foster a versatile hydrogel platform by combining eco-friendly LS with biocompatible PVA, paving the way for innovation and interdisciplinarity in biomedicine, engineering materials, and forestry science.
Keyword ：
antifreeze and self-reconfiguration antifreeze and self-reconfiguration lignosulfonate sodium (LS) lignosulfonate sodium (LS) nano/molecular engineering nano/molecular engineering self-assembled polyvinyl alcohol (PVA) hydrogel self-assembled polyvinyl alcohol (PVA) hydrogel supramolecular hydrogel supramolecular hydrogel
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| GB/T 7714 | Pan, Xiaofeng , Pan, Jiawei , Li, Xiang et al. Tough Supramolecular Hydrogels Crafted via Lignin-Induced Self-Assembly [J]. | ADVANCED MATERIALS , 2024 , 36 (36) . |
| MLA | Pan, Xiaofeng et al. "Tough Supramolecular Hydrogels Crafted via Lignin-Induced Self-Assembly" . | ADVANCED MATERIALS 36 . 36 (2024) . |
| APA | Pan, Xiaofeng , Pan, Jiawei , Li, Xiang , Wang, Zhongkai , Ni, Yonghao , Wang, Qinhua . Tough Supramolecular Hydrogels Crafted via Lignin-Induced Self-Assembly . | ADVANCED MATERIALS , 2024 , 36 (36) . |
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In the realm of advanced smart manufacturing, the development of fast, sensitive, stable soft robots that can be driven by multiple stimuli remains a significant challenge. In this study, we developed a cellulose-based soft robot featuring a dual-layer structure. The top layer is a hydrophilic composite membrane made from cellulose nanofibers (CNFs), MXene nanosheets, and carbon nanotubes (CNTs), henceforth referred to as the CNF@MXene-CNT (CMN) composite membrane, while the bottom layer consists of a hydrophobic Biaxially Oriented Polypropylene (BOPP) membrane. The soft robot exhibits highly sensitive and fast response towards humidity-, natural light and electrothermal stimuli, which can be attributed to the high humidity expansion (0.0005 (%RH)(-1)), photothermal conversion, and electrical thermal conversion of CMN composite membrane, also the distinctive expansion characteristics of CMN (-0.000757 degrees C-1) and BOPP (0.000137 (degrees C)(-1)). Remarkably, the soft robot can be actuated with merely 67 mW cm(-2) of natural light or a power supply of 2.8 V, achieving a bending range of 360 degrees with a corresponding bending curvature of 2.67 cm(-1). The soft robot's motion state and speed can be meticulously controlled, further emphasizing their vast applicability in various fields, including medical, industrial, aerospace, and beyond. The soft robot has been applied as a smart curtain, intelligent optical switch, and electrically controlled robot, demonstrating its exceptional multifunctionality and wide ranges of applications.
Keyword ：
Cellulose nanofiber Cellulose nanofiber Electrothermal Electrothermal Humidity Humidity Multi-responsive Multi-responsive Natural light Natural light Soft robots Soft robots
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| GB/T 7714 | Li, Yinan , Fu, Chenglong , Huang, Liulian et al. Cellulose-based multi-responsive soft robots for programmable smart devices [J]. | CHEMICAL ENGINEERING JOURNAL , 2024 , 498 . |
| MLA | Li, Yinan et al. "Cellulose-based multi-responsive soft robots for programmable smart devices" . | CHEMICAL ENGINEERING JOURNAL 498 (2024) . |
| APA | Li, Yinan , Fu, Chenglong , Huang, Liulian , Chen, Lihui , Ni, Yonghao , Zheng, Qinghong . Cellulose-based multi-responsive soft robots for programmable smart devices . | CHEMICAL ENGINEERING JOURNAL , 2024 , 498 . |
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Cellulose and its derivatives have received much attention as green raw materials to prepare ultrafiltration membranes. However, the inferior performance (low rejection, poor anti-fouling etc.) hinders their development. To improve the preparation of cellulose based ultrafiltration membrane and its performance, in this study, we developed a facile strategy to fabricate cellulose acetate ultrafiltration membranes by adding methyl acetate (MAC, as a co-solvent) to N, N-dimethylacetamide (DMAc). The results show that the pore morphologies of the membrane can be regulated by adjusting the DMAc to MAC ratio. Under optimal conditions, the pure water flux can reach 188.0 L/m2h, with the BSA rejection ratio of 95.2 %, which is about 20 % higher than the control. Furthermore, the anti-fouling and long-term stability of ultrafiltration membranes have improved significantly. The above results support the conclusion that using a mixed solvent by adding MAC to DMAc is effective for tuning the pore structure of cellulose-based ultrafiltration membrane, hence, improving its performance for water purification.
Keyword ：
Cellulose acetate Cellulose acetate Cellulose-based materials Cellulose-based materials Methyl acetate Methyl acetate Phase inversion Phase inversion Solvent mixture Solvent mixture Ultrafiltration membrane Ultrafiltration membrane
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| GB/T 7714 | Lin, Junkang , Fu, Chenglong , Zeng, Wenchao et al. Regulating the structure of cellulose-based ultrafiltration membrane to improve its performance for water purification [J]. | INDUSTRIAL CROPS AND PRODUCTS , 2023 , 192 . |
| MLA | Lin, Junkang et al. "Regulating the structure of cellulose-based ultrafiltration membrane to improve its performance for water purification" . | INDUSTRIAL CROPS AND PRODUCTS 192 (2023) . |
| APA | Lin, Junkang , Fu, Chenglong , Zeng, Wenchao , Wang, Dong , Huang, Fang , Lin, Shan et al. Regulating the structure of cellulose-based ultrafiltration membrane to improve its performance for water purification . | INDUSTRIAL CROPS AND PRODUCTS , 2023 , 192 . |
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High-sensitivity hydrogel-based sensors with self-powered functions are becoming more and more important in wearable electronics fields. However, traditional hydrogels cannot satisfy the application requirements for high-performance self-powered wearable sensors due to their low conductivity, poor sensitivity, and limited electric output performance. Inspired by the transport effect of vascular bundles in trees on inorganic salts, unique ion -conducting microchannels are assembled by MXene nanosheets as conductive materials, cellulose nanofibrils (CNFs) as cross-linking supports, and NH4HCO3 as an inducer, which exhibits high mechanical properties, excellent conductivity, and high-sensitivity sensing. The MXene microchannels contribute to the directional transport of free ions in the polyvinyl alcohol (PVA) hydrogel with poly(diallyl dimethyl ammonium chloride) (PDADMAC) as ion source, thus endowing the MXene-CNF-PDADMAC-PVA (MCPP) hydrogel with high -sensitivity sensing and high-efficiency mechanical-electric conversion performance. The MCPP hydrogel-based sensor possesses a low detection limit (200 mg) and fast response time (120 ms). The MCPP hydrogel-based triboelectric nanogenerator can generate a VOC of 159.1 V, ISC of 24.5 & mu;A, and QSC of 32.5 nC, and the MCPP hydrogel-based piezoelectric nanogenerator can output a voltage of 1134.3 mV. Thanks to the excellent self -powered sensing performance, a self-powered sensing indicator and tiny pressure detector based on the hydrogel are developed to realize the visual sensing in an uncomfortable state of the elderly without an external power supply and detect the heartbeat and fluttering pulse. Therefore, this ionic hydrogel with high-sensitivity sensing and high-efficiency mechanical-electric conversion performance is very promising for applications in next-generation advanced wearable electronics.
Keyword ：
Ion-conducting microchannels Ion-conducting microchannels Ionic hydrogels Ionic hydrogels Piezoelectric nanogenerator Piezoelectric nanogenerator Self-powered sensors Self-powered sensors Triboelectric nanogenerator Triboelectric nanogenerator
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| GB/T 7714 | Zhao, Zhipeng , Zheng, Siyu , Wang, Yingyue et al. Vascular bundle-inspired MXene ion-conducting microchannels enabled tough ionic hydrogels with high-sensitivity sensing and high-efficiency mechanical-electric conversion [J]. | NANO ENERGY , 2023 , 113 . |
| MLA | Zhao, Zhipeng et al. "Vascular bundle-inspired MXene ion-conducting microchannels enabled tough ionic hydrogels with high-sensitivity sensing and high-efficiency mechanical-electric conversion" . | NANO ENERGY 113 (2023) . |
| APA | Zhao, Zhipeng , Zheng, Siyu , Wang, Yingyue , Liu, Afei , Wu, Hui , Huang, Liulian et al. Vascular bundle-inspired MXene ion-conducting microchannels enabled tough ionic hydrogels with high-sensitivity sensing and high-efficiency mechanical-electric conversion . | NANO ENERGY , 2023 , 113 . |
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Green cellulose-based solar light capturing composite films made of carbon nanotubes (CNT) and cellulose nanofibrils (CNF), with high photothermal conversion performance, were designed and developed. Thanks to the strong electrostatic interactions between carboxyl-rich CNFs (obtained from 2, 2, 6, 6-tetramethylpiperidine-1-oxyl (TEMPO) mediated oxidation), and cationic-modified CNTs using cetyltrimethylammonium bromide, the resultant CNT/CNF composite (FTC) films are uniform and exhibit excellent mechanical properties. More importantly, the effect of CNT/CNF ratio in the FTC films on their photothermal conversion capacity and co-efficient of thermal expansion (CTE) was investigated. The FTC film with 50 % CNT incorporation shows both high photothermal conversion capacity and high negative CTE, and its application for solar energy harvesting was explored, including seawater desalination, photothermal power generation and light-driven actuators. The FTC film exhibits high light-induced desalination capability, with water evaporation rate reaching 1.23 Kg m-2 h-1 at an irradiance of 1 kW m-2 (evaporation efficiency of 84.5 %) and ion concentrations in purified water decreasing by 4 orders of magnitude. The FTC film can also be assembled into photothermal power system, achieving an output voltage of 310 mV at an irradiance of 3 kW m-2. With the assistance of a boost module, it can be used to re-charge a cell phone. A light-driven FTC/polytetrafluoroethylene (PTFE) double-layered actuator was also designed. Benefiting from the negative CTE of the FTC film, the actuator has a high sensitivity and achieves a bending curvature of 3.3 cm-1 at an irradiance of 0.74 kW m-2. This study presents a scalable, yet simple strategy to design green/sustainable cellulose-based solar energy harvesting devices that can have multiple applications.
Keyword ：
Anionic cellulose nanofibrils Anionic cellulose nanofibrils Cationic carbon nanotubes Cationic carbon nanotubes Light driven actuators Light driven actuators Photothermal power generation Photothermal power generation Seawater desalination Seawater desalination Solar energy harvesting Solar energy harvesting
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| GB/T 7714 | Li, Yinan , Wang, Jun , Fu, Chenglong et al. Designing flexible CNT/CNF films with highly light-absorbing for solar energy harvesting: Seawater desalination, photothermal power generation and light- driven actuators [J]. | ENERGY CONVERSION AND MANAGEMENT , 2023 , 289 . |
| MLA | Li, Yinan et al. "Designing flexible CNT/CNF films with highly light-absorbing for solar energy harvesting: Seawater desalination, photothermal power generation and light- driven actuators" . | ENERGY CONVERSION AND MANAGEMENT 289 (2023) . |
| APA | Li, Yinan , Wang, Jun , Fu, Chenglong , Huang, Liulian , Chen, Lihui , Ni, Yonghao et al. Designing flexible CNT/CNF films with highly light-absorbing for solar energy harvesting: Seawater desalination, photothermal power generation and light- driven actuators . | ENERGY CONVERSION AND MANAGEMENT , 2023 , 289 . |
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Liquid marbles, as particle-armored droplets, have potential applications in microreactors, biomedicine, controlled release and gas detection. To improve the stability and biocompatibility of marble, biocompatible cellulose acetate particles and 3-allyloxy-2-hydroxy-propyl-cellulose (AHP-cellulose) were used to fabricate robust cellulose-based liquid marbles with excellent stability. Liquid marble was gelled into hydrogel marble via blue-light-irradiated polymerization of AHP-cellulose. The mechanical properties of cellulose-based hydrogel marble are superior to those of liquid marble. The rupture height of liquid marble is 10.5 m, which is 420 times greater than that of water marble (0.025 m). Surprisingly, the hydrogel marble with a 3 % AHP-cellulose con-centration remained intact even after being dropped from a height of 50 m, which is comparable with the ability of a leather ball to withstand larger impact. When released from a height of 60 mm, hydrogel marble bounced to approximately 25.5 mm, 881 % higher than liquid marble (2.6 mm). Hydrogel marble exhibited long-lasting stability and was capable of monitoring ammonia with a detection limit of 365.2 mg/m3. The biocompatible cellulose-based hydrogel marble with excellent mechanical stability and reusability detection has great potential in chemical and environmental engineering as gas sensors.
Keyword ：
Cellulose Cellulose Gas sensing Gas sensing Hydrogel Hydrogel Marble Marble Stability Stability
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| GB/T 7714 | Li, Na , Wanyan, Hongying , Lu, Shengchang et al. Robust cellulose-based hydrogel marbles with excellent stability for gas sensing [J]. | CARBOHYDRATE POLYMERS , 2023 , 306 . |
| MLA | Li, Na et al. "Robust cellulose-based hydrogel marbles with excellent stability for gas sensing" . | CARBOHYDRATE POLYMERS 306 (2023) . |
| APA | Li, Na , Wanyan, Hongying , Lu, Shengchang , Xiao, He , Zhang, Min , Liu, Kai et al. Robust cellulose-based hydrogel marbles with excellent stability for gas sensing . | CARBOHYDRATE POLYMERS , 2023 , 306 . |
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Cellulose micro/nano-materials are potential substrates for energy storage/ electronics applications. However, developing efficient/cost-effective technologies that can obtain these micro/nano-materials suited for flexible electronics continue to be a challenge. In this study, we report a simple process for extracting micro-fibrillated cellulose fibers from conventional bleached kraft pulp that are particularly applicable to flexible electronics applications. The process is made of two step refining: 1) refining in a Valley beater, and 2) further fibrillation in a ball mill. The Valley beater is to induce fibrillation of pulp fibers as a result of compression and shearing forces. Subsequently, the partially fibrillated cellulose fibers are further subjected to ball milling to obtain microfibrillated cellulose fibers (MFCs). These MFCs have a much higher specific surface area than the conventional pulp fibers due to fibrillation and reduction in fiber size, which leads to favorable properties to the as- prepared MFCs network, including high transparence, and high tensile strength. The MFCs paper exhibits excellent transparency of 82% at 550 nm (a significant increase of about 56% for the control), with exceptionally high tensile strength (35.16 MPa). Thanks to the high surface area of these MFCs, silver nanowires (AgNWs) can be well distributed into the MFCs network so that conductive paper with high conductivity was prepared. The MFCs/AgNWs composite paper was then assembled into the paper-based triboelectric nanogenerator (P-TENG) device, which shows excellent performance. The MFCs/AgNWs composite paper- based P-TENG system can also serve as self-powered sensors for monitoring human motions. This work provides a method for the production of micro- fibrillated cellulose fibers that can be applied for the production of flexible electronic devices.
Keyword ：
Cellulose fibers Cellulose fibers Micro -fibrillation Micro -fibrillation Paper -based electronic substrates Paper -based electronic substrates Refining Refining
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| GB/T 7714 | Fu, Chenglong , Lin, Changmei , Zhang, Weipeng et al. Preparation of micro-fibrillated cellulose fibers by a simple two-step refining process for paper- based flexible electronic devices [J]. | CHEMICAL ENGINEERING JOURNAL , 2023 , 468 . |
| MLA | Fu, Chenglong et al. "Preparation of micro-fibrillated cellulose fibers by a simple two-step refining process for paper- based flexible electronic devices" . | CHEMICAL ENGINEERING JOURNAL 468 (2023) . |
| APA | Fu, Chenglong , Lin, Changmei , Zhang, Weipeng , Lin, Yaling , Xiu, Jinhong , Ni, Yonghao et al. Preparation of micro-fibrillated cellulose fibers by a simple two-step refining process for paper- based flexible electronic devices . | CHEMICAL ENGINEERING JOURNAL , 2023 , 468 . |
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Polymers obtained from biomass are a concerning alternative to petro-based polymers because of their low cost of manufacturing, biocompatibility, ecofriendly and biodegradability. Lignin as the second richest and the only polyaromatics bio-polymer in plant which has been most studied for the numerous applications in different fields. But, in the past decade, the exploitation of lignin for the preparation of new smart materials with improved properties has been broadly sought, because lignin valorization plays one of the primary challenging issues of the pulp and paper industry and lignocellulosic biorefinery. Although, well suited chemical structure of lignin comprises of many functional hydrophilic and active groups, such as phenolic hydroxyls, carboxyls and methoxyls, which provides a great potential to be applied in the preparation of biodegradable hydrogels. In this review, lignin hydrogel is covered with preparation strategies, properties and applications. This review reports some important properties, such as mechanical, adhesive, self-healing, conductive, antibacterial and antifreezing properties were then discussed. Furthermore, herein also reviewed the current applications of lignin hydrogel, including dye adsorption, smart materials for stimuli sensitive, wearable electronics for biomedical applications and flexible supercapacitors. Overall, this review covers recent progresses regarding lignin-based hydrogel and constitutes a timely review of this promising material.
Keyword ：
Biomedical application Biomedical application Flexible supercapacitor Flexible supercapacitor Hydrogel Hydrogel Ligin utilization Ligin utilization Lignin Lignin
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| GB/T 7714 | Mondal, Ajoy Kanti , Uddin, Md Tushar , Sujan, S. M. A. et al. Preparation of lignin-based hydrogels, their properties and applications [J]. | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2023 , 245 . |
| MLA | Mondal, Ajoy Kanti et al. "Preparation of lignin-based hydrogels, their properties and applications" . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 245 (2023) . |
| APA | Mondal, Ajoy Kanti , Uddin, Md Tushar , Sujan, S. M. A. , Tang, Zuwu , Alemu, Digafe , Begum, Hosne Ara et al. Preparation of lignin-based hydrogels, their properties and applications . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2023 , 245 . |
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