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Liu S, Huo B, Guo CY. Progress on Material Design and Device Fabrication via Coupling Photothermal Effect with Thermoelectric Effect. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3524. [PMID: 39063816 PMCID: PMC11278506 DOI: 10.3390/ma17143524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2024] [Revised: 07/08/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024]
Abstract
Recovery and utilization of low-grade thermal energy is a topic of universal importance in today's society. Photothermal conversion materials can convert light energy into heat energy, which can now be used in cancer treatment, seawater purification, etc., while thermoelectric materials can convert heat energy into electricity, which can now be used in flexible electronics, localized cooling, and sensors. Photothermoelectrics based on the photothermal effect and the Seebeck effect provide suitable solutions for the development of clean energy and energy harvesting. The aim of this paper is to provide an overview of recent developments in photothermal, thermoelectric, and, most importantly, photothermal-thermoelectric coupling materials. First, the research progress and applications of photothermal and thermoelectric materials are introduced, respectively. After that, the classification of different application areas of materials coupling photothermal effect with thermoelectric effect, such as sensors, thermoelectric batteries, wearable devices, and multi-effect devices, is reviewed. Meanwhile, the potential applications and challenges to be overcome for future development are presented, which are of great reference value in waste heat recovery as well as solar energy resource utilization and are of great significance for the sustainable development of society. Finally, the challenges of photothermoelectric materials as well as their future development are summarized.
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Affiliation(s)
| | | | - Cun-Yue Guo
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 100049, China; (S.L.); (B.H.)
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Li Y, Dong J, Wu X, Huo B, Liu P, Li B, Guo CY. Elevating Thermoelectric Performance by Compositing Dibromo-Substituted Thienoacene with SWCNTs. ACS APPLIED MATERIALS & INTERFACES 2024; 16:35190-35199. [PMID: 38943571 DOI: 10.1021/acsami.4c07042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/01/2024]
Abstract
Composites of organic small molecules (OSMs) and single-walled carbon nanotubes (SWCNTs) have drawn great attention as flexible thermoelectric (TE) materials in recent years. Here, we synthesized thieno[2',3':4,5]thieno[3,2-b]thieno[2,3-d]thiophene (TTA) and 2,6-dibromothieno[2',3':4,5]thieno[3,2-b]thieno[2,3-d]thiophene (TTA-2Br) and compounded them with SWCNTs, obtaining thermoelectric TTA/SWCNT and TTA-2Br/SWCNT composites. The introduction of the electron-withdrawing Br group was found to decrease the highest molecular orbital energy level and bandgap (Eg) of TTA-2Br. As a result, the Seebeck coefficient (S) and power factor (PF) of the OSM/SWCNT composite films were significantly improved. Moreover, suitable energy barrier between TTA-2Br and SWCNTs facilitates the energy filtering effect, which further enhances thermoelectric properties of the 40 wt % TTA-2Br/SWCNT composite film with optimum thermoelectric properties (PF = 242.59 ± 9.42 μW m-1 K-2 at room temperature), good thermal stability, and mechanical flexibility. In addition, the thermoelectric generator (TEG) prepared using 40 wt % TTA-2Br/SWCNT composite films and n-type SWCNT films can generate an output power of 102.8 ± 7.4 nW at a temperature difference of 20 °C. This work provides new insights into the preparation of OSM/SWCNT composites with significantly enhanced thermoelectric properties.
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Affiliation(s)
- Yiyang Li
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Jiaxuan Dong
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Xin Wu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Bingchen Huo
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Peiyao Liu
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Baolin Li
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
| | - Cun-Yue Guo
- School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing 101408, P. R. China
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Ding Z, Li G, Wang Y, Du C, Ye Z, Liang L, Tang LC, Chen G. Ultrafast Response and Threshold Adjustable Intelligent Thermoelectric Systems for Next-Generation Self-Powered Remote IoT Fire Warning. NANO-MICRO LETTERS 2024; 16:242. [PMID: 38985378 PMCID: PMC11236834 DOI: 10.1007/s40820-024-01453-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 05/29/2024] [Indexed: 07/11/2024]
Abstract
Fire warning is vital to human life, economy and ecology. However, the development of effective warning systems faces great challenges of fast response, adjustable threshold and remote detecting. Here, we propose an intelligent self-powered remote IoT fire warning system, by employing single-walled carbon nanotube/titanium carbide thermoelectric composite films. The flexible films, prepared by a convenient solution mixing, display p-type characteristic with excellent high-temperature stability, flame retardancy and TE (power factor of 239.7 ± 15.8 μW m-1 K-2) performances. The comprehensive morphology and structural analyses shed light on the underlying mechanisms. And the assembled TE devices (TEDs) exhibit fast fire warning with adjustable warning threshold voltages (1-10 mV). Excitingly, an ultrafast fire warning response time of ~ 0.1 s at 1 mV threshold voltage is achieved, rivaling many state-of-the-art systems. Furthermore, TE fire warning systems reveal outstanding stability after 50 repeated cycles and desired durability even undergoing 180 days of air exposure. Finally, a TED-based wireless intelligent fire warning system has been developed by coupling an amplifier, analog-to-digital converter and Bluetooth module. By combining TE characteristics, high-temperature stability and flame retardancy with wireless IoT signal transmission, TE-based hybrid system developed here is promising for next-generation self-powered remote IoT fire warning applications.
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Affiliation(s)
- Zhaofu Ding
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Gang Li
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Yejun Wang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of MoE, Hangzhou Normal University, Hangzhou, 311121, People's Republic of China
| | - Chunyu Du
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Zhenqiang Ye
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Lirong Liang
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China.
| | - Long-Cheng Tang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of MoE, Hangzhou Normal University, Hangzhou, 311121, People's Republic of China.
| | - Guangming Chen
- College of Materials Science and Engineering & College of Civil and Transportation Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China.
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Zhang Y, Li Z, Long Q, Chen G. A strategy towards fabrication of thermoplastic-based composites with outstanding mechanical and thermoelectric performances. J Colloid Interface Sci 2024; 674:695-701. [PMID: 38950468 DOI: 10.1016/j.jcis.2024.06.188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2024] [Revised: 06/12/2024] [Accepted: 06/24/2024] [Indexed: 07/03/2024]
Abstract
Compared to the great achievements in enhancing thermoelectric (TE) performance, little attention is paid to the mechanical (ME) performance of polymer composites although it is a prerequisite for practical applications. However, how to improve a trade-off between TE and ME performance is a great challenge, as the increase in ME performance is always along with the decrease in TE performance and vice versa. Herein, an enhanced trade-off is realized for ionic liquid (IL)-modulated flexible poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS)/ single-walled carbon nanotube (SWCNT)/polycarbonate (PC) composites. It shows a maximum power factor value of 8.5 ± 2.1 μW m-1 K-2 and a strong mechanical robustness is also achieved for the composite with a fracture strength of 43.4 ± 5.4 MPa and a tensile modulus of 3.8 ± 0.4 GPa. The TE and ME performances are superior to other thermoplastics-based TE composites, and even comparable to some conducting polymers and their composites. The high electrical conductivity of PEDOT:PSS/SWCNT and their strong interfacial interaction with PC are responsible for the enhanced trade-off between ME and TE performances. This work provides a new avenue to endow polymer composites with high TE and ME performances simultaneously and will promote their versatile TE applications.
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Affiliation(s)
- Yichuan Zhang
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Materials Manufacturing, Southwest University, Chongqing 400715, China.
| | - Zhipeng Li
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China
| | - Qianhui Long
- School of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Soft-Matter Materials Manufacturing, Southwest University, Chongqing 400715, China
| | - Guangming Chen
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
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Jia S, Chen G, Dai S, Gao Y, Wu Y, Qing Y, Zhang S, Xie J, Chen Q, Wang Y, Huang X, Su Z. Rational Design of Amorphous Carbon-Coated Laminar-Structured Wood for Integrating Repeatable Early Fire Detection and High-Temperature Affordable Flexible Pressure Sensing in One System. NANO LETTERS 2024; 24:5260-5269. [PMID: 38639406 DOI: 10.1021/acs.nanolett.4c00817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
High-temperature affordable flexible polymer-based pressure sensors integrated with repeatable early fire warning service are strongly desired for harsh environmental applications, yet their creation remains challenging. This work proposed an approach for preparing such advanced integrated sensors based on silver nanoparticles and an ammonium polyphosphate (APP)-modified laminar-structured bulk wood sponge (APP/Ag@WS). Such integrated sensors demonstrated excellent fire warning performance, including a short response time (minimum of 0.44 s), a long-lasting alarm time (>750 s), and reliable repeatability. Moreover, it achieved high-temperature affordable flexible pressure sensing that exhibited an almost unimpaired working range of 0-7.5 kPa and a higher sensitivity (in the low-pressure range, maximum to 226.03 kPa-1) after fire. The high stability was attributed to reliable structural elasticity, and the wood-derived amorphous carbon is capable of repeatable fire warnings. Finally, a Ag@APP/WS-based wireless fire alarm system that realized reliable house fire accident detection was demonstrated, showing great promise for smart firefighting application.
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Affiliation(s)
- Shanshan Jia
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Guoxi Chen
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Shijie Dai
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Yemei Gao
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Yiqiang Wu
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, P. R. China
| | - Yan Qing
- College of Materials Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, P. R. China
| | - Shaobo Zhang
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Jiulong Xie
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Qi Chen
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Yangao Wang
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Xingyan Huang
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
| | - Zhiping Su
- College of Forestry, Sichuan Agricultural University, Chengdu 611130, P. R. China
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Li G, Chen C, Liu Z, Sun Q, Liang L, Du C, Chen G. Distinguishing thermoelectric and photoelectric modes enables intelligent real-time detection of indoor electrical safety hazards. MATERIALS HORIZONS 2024; 11:1679-1688. [PMID: 38305351 DOI: 10.1039/d3mh02187d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/03/2024]
Abstract
Due to the prevalence of electronic devices, intelligent sensors have attracted much interest for the detecting and providing alarms with respect to indoor electrical safety. Nonetheless, how to effectively identify various indoor electrical safety hazards remains a challenge. In this study, we fabricated single-walled carbon nanotube/poly(3-hexylthiophene-2,5-diyl) (SWCNT/P3HT) composites with exceptional bifunctional thermoelectric and photoelectric responses. Through synergy of the thermo-/photoelectric effects, the composites yielded greatly enhanced output voltages compared with the use of thermoelectric effects alone. Interestingly, modes of heat transfer can be effectively distinguished using the nominal Seebeck coefficients. Based on the remarkable output voltages and deviations in the nominal Seebeck coefficients, we developed indoor intelligent sensors capable of effectively identifying and monitoring diverse indoor electrical conditions, including electrical overheating, fire, and air conditioning flow. This pioneering investigation proposes a novel avenue for designing intelligent sensors that can recognize heat transfer modes and hence effectively monitor indoor electrical safety hazards.
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Affiliation(s)
- Gang Li
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
| | - Chengzhi Chen
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
| | - Zijian Liu
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
| | - Qi Sun
- College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China
| | - Lirong Liang
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
| | - Chunyu Du
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
| | - Guangming Chen
- College of Materials Science and Engineering, Shenzhen University, Shenzhen 518055, China.
- College of Civil and Transportation Engineering, Shenzhen University, Shenzhen 518060, China
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Li H, Ding Z, Zhou Q, Chen J, Liu Z, Du C, Liang L, Chen G. Harness High-Temperature Thermal Energy via Elastic Thermoelectric Aerogels. NANO-MICRO LETTERS 2024; 16:151. [PMID: 38466453 DOI: 10.1007/s40820-024-01370-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 01/24/2024] [Indexed: 03/13/2024]
Abstract
Despite notable progress in thermoelectric (TE) materials and devices, developing TE aerogels with high-temperature resistance, superior TE performance and excellent elasticity to enable self-powered high-temperature monitoring/warning in industrial and wearable applications remains a great challenge. Herein, a highly elastic, flame-retardant and high-temperature-resistant TE aerogel, made of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)/single-walled carbon nanotube (PEDOT:PSS/SWCNT) composites, has been fabricated, displaying attractive compression-induced power factor enhancement. The as-fabricated sensors with the aerogel can achieve accurately pressure stimuli detection and wide temperature range monitoring. Subsequently, a flexible TE generator is assembled, consisting of 25 aerogels connected in series, capable of delivering a maximum output power of 400 μW when subjected to a temperature difference of 300 K. This demonstrates its outstanding high-temperature heat harvesting capability and promising application prospects for real-time temperature monitoring on industrial high-temperature pipelines. Moreover, the designed self-powered wearable sensing glove can realize precise wide-range temperature detection, high-temperature warning and accurate recognition of human hand gestures. The aerogel-based intelligent wearable sensing system developed for firefighters demonstrates the desired self-powered and highly sensitive high-temperature fire warning capability. Benefitting from these desirable properties, the elastic and high-temperature-resistant aerogels present various promising applications including self-powered high-temperature monitoring, industrial overheat warning, waste heat energy recycling and even wearable healthcare.
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Affiliation(s)
- Hongxiong Li
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Zhaofu Ding
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Quan Zhou
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Jun Chen
- Department of Bioengineering, University of California, Los Angeles, CA, 90095, USA
| | - Zhuoxin Liu
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Chunyu Du
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China
| | - Lirong Liang
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China.
| | - Guangming Chen
- College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518055, People's Republic of China.
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