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学者姓名：郑清洪
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Abstract ：
Solar-driven evaporators have emerged as a sustainable strategy for water purification and energy harvesting. Designing advanced systems that achieve high evaporation performance, long-term operational stability, and resistance to salt crystallization remains a significant challenge. In this study, an innovative Janus membrane is proposed that addresses these challenges, featuring a super hydrophilic cellulose nanofiber (CNF)@Hexadecyl Trimethyl Ammonium Bromide (CTAB)-MXene layer and a superhydrophobic polytetrafluoroethylene (PTFE) layer. CTAB modification of MXene enhances its interlayer spacing and specific surface area, enabling rapid water transport and efficient solar energy absorption of the CNF@CTAB-MXene layer. A PTFE layer is sputter-deposited onto CNF@CTAB-MXene layer, effectively preventing salt accumulation and membrane fouling, with plasma pre-treatment ensuring excellent interfacial bonding between these two layers. Under 1 sun illumination, the CNF@CTAB-MXene/PTFE Janus evaporator achieves a remarkable evaporation rate of 1.51 kg m(-2) h(-1) with outstanding salt resistance. The synergy between superhydrophilic and superhydrophobic layers facilitates efficient water transport while maintaining long-term stability without performance degradation. Additionally, the evaporator generates a voltage of 343.8 mV during thermoelectric power generation, and its unique design allows electricity generation from wind energy at night. This integrated system provides an advanced and durable solution for water-power co-generation, offering practical benefits for off-grid or remote regions.
Keyword ：
cellulose nanofiber cellulose nanofiber Janus membrane Janus membrane modified MXene modified MXene salt resistance salt resistance water-power co-generation water-power co-generation
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| GB/T 7714 | Li, Yinan , Huang, Liulian , He, Zhibin et al. Advanced Nano-Fibrillated Cellulose/Modified MXene Janus Membrane for Continuous 24-h Water-Power Co-Generation [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (33) . |
| MLA | Li, Yinan et al. "Advanced Nano-Fibrillated Cellulose/Modified MXene Janus Membrane for Continuous 24-h Water-Power Co-Generation" . | ADVANCED FUNCTIONAL MATERIALS 35 . 33 (2025) . |
| APA | Li, Yinan , Huang, Liulian , He, Zhibin , Li, Jianguo , Fu, Chenglong , Zheng, Qinghong et al. Advanced Nano-Fibrillated Cellulose/Modified MXene Janus Membrane for Continuous 24-h Water-Power Co-Generation . | ADVANCED FUNCTIONAL MATERIALS , 2025 , 35 (33) . |
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Abstract ：
Solar-driven interfacial evaporation has received substantial attention in a variety of applications, including water purification, seawater desalination, and energy production. However, creating a straightforward, adaptable, and scalable method for correctly integrating hybrid solar-thermal systems continues to be a challenging task. Herein, we propose an economical, scalable, and environmentally friendly approach for achieving synergistic coupling of interfacial solar energy conversion for evaporation and low-grade thermal energy conversion to electricity by incorporating zinc oxide (ZnO) nanoparticle-modified MXene (ZNM- MXene) into cellulose nanofiber (CNF) films. The vacuum filtering approach produces CNF@ZNM-MXene composite films with enhanced photothermal conversion efficiency, capillary hydrophilicity, and thermal localization. Because of its rapid water transport capability, excellent sunlight absorption, and efficient solar-thermal conversion under 1 kW m- 2 irradiance, the CNF@ZNM-MXene solar evaporator's evaporation rate reaches 1.27 kg m- 2 h-1, and the solar-vapor conversion efficiency is as high as 82.15%, outperforming most previously reported solar evaporators. Moreover, when compared to a standalone thermoelectric (TE) module, the output power of the solar thermal conversion system coupled with a CNF@ZNM-MXene composite films and a TE module is boosted by 15.32 times. This work offers a practical and effective method for simultaneously capturing solar energy and desalinating saltwater.
Keyword ：
Anti-reflection Anti-reflection Cellulose nanofiber Cellulose nanofiber Interlayer space Interlayer space Seawater desalination Seawater desalination Solar-thermal power generation Solar-thermal power generation ZnO modified MXene ZnO modified MXene
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| GB/T 7714 | Li, Yinan , Fu, Chenglong , Wang, Zhaoqiang et al. Novel cellulose-based films with highly efficient photothermal performance for sustainable solar evaporation and solar-thermal power generation [J]. | JOURNAL OF CLEANER PRODUCTION , 2024 , 458 . |
| MLA | Li, Yinan et al. "Novel cellulose-based films with highly efficient photothermal performance for sustainable solar evaporation and solar-thermal power generation" . | JOURNAL OF CLEANER PRODUCTION 458 (2024) . |
| APA | Li, Yinan , Fu, Chenglong , Wang, Zhaoqiang , Huang, Liulian , Chen, Lihui , Liao, Guangfu et al. Novel cellulose-based films with highly efficient photothermal performance for sustainable solar evaporation and solar-thermal power generation . | JOURNAL OF CLEANER PRODUCTION , 2024 , 458 . |
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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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本发明属于太阳能海水淡化领域，公开了一种Janus型纤维素复合膜及其制备方法与应用。该膜的组成包括亲水性的纤维素纳米纤维、改性MXene和疏水性的PTFE膜。该膜的制备方法包括将CTAC加入MXene分散液中，得到改性MXene分散液；将改性MXene分散液与纤维素纳米纤维悬浮液混合；加入CaCl2溶液进行交联；通过真空抽滤制备纤维素纳米纤维/MXene光热转换膜；最后，在膜上生长PTFE疏水膜，制备得到Janus型纤维素复合膜。本发明的制备方法成本低廉，制备的膜一面超亲水和一面超疏水性，抗盐性好，机械强度高，光热性能优异，水蒸发效率高。
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| GB/T 7714 | 李轶男 , 陈礼辉 , 郑清洪 et al. 一种Janus型纤维素复合膜及其制备方法与应用 : CN202311319372.6[P]. | 2023-10-12 . |
| MLA | 李轶男 et al. "一种Janus型纤维素复合膜及其制备方法与应用" : CN202311319372.6. | 2023-10-12 . |
| APA | 李轶男 , 陈礼辉 , 郑清洪 , 黄六莲 . 一种Janus型纤维素复合膜及其制备方法与应用 : CN202311319372.6. | 2023-10-12 . |
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Solar-blind photodetectors (SBPDs) are widely used in fire alarms, environmental ultraviolet (UV) monitoring, and secure communications. However, their performance is limited by the lack of high-performance short-wavelength transparent conductive electrodes (TCEs). Ag metal grid is proposed as the TCE for deep UV electrical devices, and the effects of the structure, duty ratio, and thickness of the grid on the transmittance and conductivity of the TCE are investigated. A honeycomb-shaped TCE with high UV transmittance (>85%) and low sheet resistance (10.3 Omega/square) was achieved. Based on the honeycomb Ag grid TCEs, Ga2O3/Si self-powered SBPDs were developed, leading to a significant improvement in the devices' photoresponse performance. In addition, detector arrays were fabricated, successfully enabling the imaging of SB signals. The short-wavelength TCEs with high transmittance and conductivity are expected to be applied to various UV optoelectronic devices, overcoming performance limitations and promoting the widespread use of UV optoelectronic devices in daily life.
Keyword ：
Array Array metal grid metal grid solar-blind photodetector (SBPD) solar-blind photodetector (SBPD) transparent conductive electrode (TCE) transparent conductive electrode (TCE)
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| GB/T 7714 | Zhou, Huiyu , Liu, Junjie , Liu, Xuhui et al. Self-Powered Solar-Blind Photodetectors and Arrays Based on Honeycomb-Grid Transparent Conductive Electrodes [J]. | IEEE SENSORS JOURNAL , 2024 , 24 (23) : 38922-38928 . |
| MLA | Zhou, Huiyu et al. "Self-Powered Solar-Blind Photodetectors and Arrays Based on Honeycomb-Grid Transparent Conductive Electrodes" . | IEEE SENSORS JOURNAL 24 . 23 (2024) : 38922-38928 . |
| APA | Zhou, Huiyu , Liu, Junjie , Liu, Xuhui , Huang, Jin , Zheng, Qinghong . Self-Powered Solar-Blind Photodetectors and Arrays Based on Honeycomb-Grid Transparent Conductive Electrodes . | IEEE SENSORS JOURNAL , 2024 , 24 (23) , 38922-38928 . |
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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 coefficient 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, photovoltaic 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 photovoltaic 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 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. © 2023, The Authors. All rights reserved.
Keyword ：
Carbon films Carbon films Carbon nanotubes Carbon nanotubes Cellulose Cellulose Cellulose films Cellulose films Desalination Desalination Energy harvesting Energy harvesting Evaporation Evaporation Nanocomposite films Nanocomposite films Nanofibers Nanofibers Seawater Seawater Solar energy Solar energy Thermal expansion Thermal expansion Transparency Transparency
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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, Photovoltaic Power Generation and Light- Driven Actuators [J]. | SSRN , 2023 . |
| MLA | Li, Yinan et al. "Designing Flexible Cnt/Cnf Films with Highly Light-Absorbing for Solar Energy Harvesting: Seawater Desalination, Photovoltaic Power Generation and Light- Driven Actuators" . | SSRN (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, Photovoltaic Power Generation and Light- Driven Actuators . | SSRN , 2023 . |
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Abstract ：
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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Actuators are widely used in bionic devices and soft robots, among which invisible actuators have some unique applications, including performing secret missions. In this paper, highly visible transparent cellulose-based UV-absorbing films were prepared by dissolving cellulose raw materials using N-methylmorpholine-N-oxide (NMMO) and using ZnO nanoparticles as UV absorbers. Furthermore, transparent actuator was fabricated by growing highly transparent and hydrophobic polytetrafluoroethylene (PTFE) film on regenerated cellulose (RC)-ZnO composite film. In addition to its sensitive response to Infrared (IR) light, the as-prepared actuator also shows a highly sensitive response to UV light, which is attributed to the strong absorption of UV light by ZnO NPs. Thanks to the drastic differences in adsorption capacity between the RC-ZnO and PTFE materials for water molecules, the asymmetrically-assembled actuator demonstrates extremely high sensitivity and excellent actuation performance, with a force density of 60.5, a maximum bending curvature of 3.0 cm-1, and a response time of below 8 s. Bionic bug, smart door and the arm of excavator made from the actuator all exhibit sensitive responses to UV and IR lights.
Keyword ：
Actuator Actuator Cellulose Cellulose UV light UV light
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| GB/T 7714 | Li, Yinan , Wang, Jun , Guo, Jiajia et al. UV and IR dual light triggered cellulose-based invisible actuators with high sensitivity [J]. | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2023 , 238 . |
| MLA | Li, Yinan et al. "UV and IR dual light triggered cellulose-based invisible actuators with high sensitivity" . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES 238 (2023) . |
| APA | Li, Yinan , Wang, Jun , Guo, Jiajia , Fu, Chenglong , Huang, Liulian , Chen, Lihui et al. UV and IR dual light triggered cellulose-based invisible actuators with high sensitivity . | INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES , 2023 , 238 . |
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本发明属于致动器技术领域，公开了一种纤维素基隐形致动器及其制备方法和应用。该制备方法包括将六水硝酸锌溶解在水中加入氨水混合均匀。通过离心、清洗，再高温下干燥获得ZnO NPs。将ZnO NPs悬浮液加入NMMO和没食子酸丙酯，加入纤维素粉末充分混合。利用涂布机刮成膜，干燥后成膜后，在氩气等离子体表面处理后，在RC‑ZnO复合膜上沉积一层PTFE薄膜，即制得纤维素基隐形致动器。该致动器表现出优异的致动性能，在200次循环后仍然能弯曲到360°；且未出现明显的断裂和褶皱现象，阻力为6.17mN，最大弯曲曲率为3.0cm‑1，响应时间低于8s，可应用于仿生装置和家居智能设备。
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| GB/T 7714 | 李轶男 , 郑清洪 , 倪永浩 et al. 一种纤维素基隐形致动器及其制备方法和应用 : CN202211296758.5[P]. | 2022-10-21 . |
| MLA | 李轶男 et al. "一种纤维素基隐形致动器及其制备方法和应用" : CN202211296758.5. | 2022-10-21 . |
| APA | 李轶男 , 郑清洪 , 倪永浩 , 黄六莲 , 陈礼辉 . 一种纤维素基隐形致动器及其制备方法和应用 : CN202211296758.5. | 2022-10-21 . |
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Actuators have many applications in artificial muscles, soft robots, and optical switches. Herein, we designed and fabricated a multifunctional actuator using cellulose composites that can be driven by humidity, natural sunlight, and electrothermal processes. Highly conductive and flexible cellulose, MXene, and PEDOT:PSS composite (CMPC) films were prepared with a facile blending-vacuum filtration method. Benefiting from the high conductivity, the CMPC film exhibited excellent performance in electromagnetic shielding, electrothermal processes, and humidity detection. Moreover, due to the hygroscopic properties of cellulose, CMPC film shows a negative coefficient of thermal expansion, in contrast to typical polymer films. By depositing a hydrophobic polytetrafluoroethylene (PTFE) film onto the CMPC film, a two-layer actuator was developed. Owing to the opposite thermal expansion properties of CMPC and PTFE, the as-obtained actuators exhibit a high sensitivity, and are made into bionic flowers, worms, robots, and smart curtains, showing fast responses to humidity, natural sunlight, and electrothermal processes. In fact, natural sunlight of 80 mW cm(-2) or a power supply of as low as 3 V can drive the actuator to a bending curvature of 2.85 cm(-1), corresponding to a bending angle of 360 degrees. The bionic robot is configurable with movements and speeds that can be controlled by a microcontroller and have a wide application in biological bionic and soft robots.
Keyword ：
Actuator Actuator Cellulose Cellulose Configurable amplitude Configurable amplitude Multiresponses functions Multiresponses functions Soft robot Soft robot
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| GB/T 7714 | Li, Yinan , Wang, Jun , Huang, Liulian et al. High-Sensitivity Multiresponses Cellulose-Based Actuators with Configurable Amplitude [J]. | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2022 , 10 (19) : 6414-6425 . |
| MLA | Li, Yinan et al. "High-Sensitivity Multiresponses Cellulose-Based Actuators with Configurable Amplitude" . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING 10 . 19 (2022) : 6414-6425 . |
| APA | Li, Yinan , Wang, Jun , Huang, Liulian , Chen, Lihui , Gao, Haili , Ni, Yonghao et al. High-Sensitivity Multiresponses Cellulose-Based Actuators with Configurable Amplitude . | ACS SUSTAINABLE CHEMISTRY & ENGINEERING , 2022 , 10 (19) , 6414-6425 . |
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