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学者姓名：邓平
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Abstract ：
High-temperature photothermal response functional materials are an important branch of advanced photothermal materials. However, pure organic high-temperature photothermal materials are currently relatively scarce, and their molecular design and synthesis are challenging. In this research, a highly efficient [2 + 2] cycloaddition-retroelectrocyclization reaction has been carried out between the precursor molecule containing N,N-diphenyl-4-(phenylethynyl)aniline and piperazine-2,5-dione units (TP) and the typical electron-deficient unit 2,3,5,6-tetrafluoro-7,7,8,8-tetracyanoquinodimethane (4F-TCNQ), and a rigid and twisted high-temperature photothermal organic material (named TTP) has been successfully designed and synthesized. This material is easy to synthesize and solution-processable, has broad spectral absorption (320-1900 nm), and can be triggered for high-temperature (similar to 400 degrees C) photothermal response by a near-infrared region II (NIR-II) laser (1064 nm). It has also been successfully applied to laser ignition, the construction of high-temperature shape memory actuators, and photowelding of metals with a 1064 nm laser, demonstrating the attractive potential for high-temperature NIR-II photothermal applications.
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| GB/T 7714 | Yang, Huaxin , Wang, Weifang , Deng, Ping et al. Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser [J]. | ACS MATERIALS LETTERS , 2025 , 7 (3) : 1060-1069 . |
| MLA | Yang, Huaxin et al. "Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser" . | ACS MATERIALS LETTERS 7 . 3 (2025) : 1060-1069 . |
| APA | Yang, Huaxin , Wang, Weifang , Deng, Ping , Yu, Yan . Exceptional Second Near-Infrared Window Organic Photothermal Material for High-Temperature Applications Activated by a 1064 nm Laser . | ACS MATERIALS LETTERS , 2025 , 7 (3) , 1060-1069 . |
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A new triphenylethylene-modified indolo[2,3-b]quinoxaline TPE-IQ has been synthesized by a mild Suzuki-Miyaura coupling reaction. The thermal, electrochemical, photophysical, aggregation, and acidofluorochromic and mechanofluorochromic properties were investigated. TPE-IQ shows typical solvatochromism and aggregation-induced emission enhancement features. TPE-IQ also exhibits interesting reversible acid and mechanical force-responsive properties. This work highlights the development of multi-stimuli responsive organic material containing indolo[2,3-b]quinoxaline moiety. © 2024 World Scientific. All rights reserved.
Keyword ：
acidofluorochromic material acidofluorochromic material aggregation-induced emission enhancement aggregation-induced emission enhancement Indoloquinoxaline Indoloquinoxaline mechanofluorochromic material mechanofluorochromic material organic luminescence material organic luminescence material
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| GB/T 7714 | Mao, G. , Zhang, C. , Hua, C. et al. Indoloquinoxaline-based organic material enabling multi-stimuli response [J]. | Functional Materials Letters , 2024 , 17 (5) . |
| MLA | Mao, G. et al. "Indoloquinoxaline-based organic material enabling multi-stimuli response" . | Functional Materials Letters 17 . 5 (2024) . |
| APA | Mao, G. , Zhang, C. , Hua, C. , Deng, P. , Yu, Y. . Indoloquinoxaline-based organic material enabling multi-stimuli response . | Functional Materials Letters , 2024 , 17 (5) . |
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A simple, novel, and gram-scalable fluorescent probe material (NIT) containing a 2,2-diphenyl-1,3-dithiolane-bridged bis-1,8-naphthalimide unit with excellent air environment stability has been reported. NIT can effectively detect Hg2+ according to the variation in the fluorescence characteristics of NIT with and without Hg2+. The selectivity, concentration titration, pH applicable range, and detection limit of NIT in 2-methyl tetrahydrofuran/water have been investigated. The results show NIT possesses high selectivity, a wide pH applicable range of 3-13, and sensitivity to detect Hg2+. NIT also indicates the potential application in real environmental water samples for detecting Hg2+. © 2025 World Scientific Publishing Company.
Keyword ：
1,8-naphthalimide 1,8-naphthalimide 2,2-diphenyl-1,3-dithiolane 2,2-diphenyl-1,3-dithiolane Fluorescent probe Fluorescent probe Hg2+ Hg2+
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| GB/T 7714 | Cao, W. , Wang, W. , Deng, P. et al. A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+detection [J]. | Functional Materials Letters , 2024 . |
| MLA | Cao, W. et al. "A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+detection" . | Functional Materials Letters (2024) . |
| APA | Cao, W. , Wang, W. , Deng, P. , Yu, Y. . A gram-scalable and air-stable 2,2-diphenyl-1,3-dithiolane-bridged bis-1, 8-naphthalimide fluorescent probe for efficient Hg2+detection . | Functional Materials Letters , 2024 . |
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A pair of star-like conjugated isomers (Tetra-8-IQ and Tetra-9-IQ) with indolo[2,3-b]quinoxaline as the star arm and tetraphenylethylene as the star core have been designed and synthesized. A comparative study has been conducted on the structural characteristics, electronic energy levels, spectral absorption, aggregation-induced emission, acid-stimulus response, and fluorescent applications of the two isomers. The results show that Tetra-8-IQ has lower lowest unoccupied molecular orbital/highest occupied molecular orbital energy levels, more redshifted optical absorption, and stronger fluorescence emission than Tetra-9-IQ. The two isomers are novel organic fluorescent materials as they both possess aggregation-induced emission characteristics and reversible acidichromism features. Tetra-8-IQ and Tetra-9-IQ were successfully applied in filter paper test strips and PMMA-based blending film to achieve fluorescent switch signals. Based on these findings, the INHIBIT and IMPLICATION molecular logic gates were successfully established, where acid and base were adopted as the input stimuli.
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| GB/T 7714 | Mao, Guanghao , Yang, Huaxin , Deng, Shuhang et al. Novel indoloquinoxaline-tetraphenylethylene star-like conjugated isomers: aggregation-induced emission and acidichromism for versatile fluorescent applications [J]. | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (48) : 20332-20342 . |
| MLA | Mao, Guanghao et al. "Novel indoloquinoxaline-tetraphenylethylene star-like conjugated isomers: aggregation-induced emission and acidichromism for versatile fluorescent applications" . | NEW JOURNAL OF CHEMISTRY 48 . 48 (2024) : 20332-20342 . |
| APA | Mao, Guanghao , Yang, Huaxin , Deng, Shuhang , Cao, Wenyu , Deng, Ping , Yu, Yan . Novel indoloquinoxaline-tetraphenylethylene star-like conjugated isomers: aggregation-induced emission and acidichromism for versatile fluorescent applications . | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (48) , 20332-20342 . |
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Abstract ：
A new triphenylethylene-modified indolo[2,3-b]quinoxaline TPE-IQ has been synthesized by a mild Suzuki-Miyaura coupling reaction. The thermal, electrochemical, photophysical, aggregation, and acidofluorochromic and mechanofluorochromic properties were investigated. TPE-IQ shows typical solvatochromism and aggregation-induced emission enhancement features. TPE-IQ also exhibits interesting reversible acid and mechanical force-responsive properties. This work highlights the development of multi-stimuli responsive organic material containing indolo[2,3-b]quinoxaline moiety.
Keyword ：
acidofluorochromic material acidofluorochromic material aggregation-induced emission enhancement aggregation-induced emission enhancement Indoloquinoxaline Indoloquinoxaline mechanofluorochromic material mechanofluorochromic material organic luminescence material organic luminescence material
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| GB/T 7714 | Mao, Guanghao , Zhang, Caihang , Hua, Chijun et al. Indoloquinoxaline-based organic material enabling multi-stimuli response [J]. | FUNCTIONAL MATERIALS LETTERS , 2024 , 17 (05) . |
| MLA | Mao, Guanghao et al. "Indoloquinoxaline-based organic material enabling multi-stimuli response" . | FUNCTIONAL MATERIALS LETTERS 17 . 05 (2024) . |
| APA | Mao, Guanghao , Zhang, Caihang , Hua, Chijun , Deng, Ping , Yu, Yan . Indoloquinoxaline-based organic material enabling multi-stimuli response . | FUNCTIONAL MATERIALS LETTERS , 2024 , 17 (05) . |
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The palladium-catalyzed oxidative homocoupling reactions of aryl boronic acids using a solvent-free and ligand-free ball-milling method have been reported. These reactions allow simple, fast, and efficient synthesis of a series of biphenyl-derived organic fluorescent materials in modest and good yields without the use of ligands in air. The new organic fluorescent material N-[4-(4-{phenyl[4-(triphenylvinyl)phenyl]amino}phenyl)-phenyl]-N-[4-(triphenylvinyl)phenyl]aniline (B6) shows typical aggregation-induced emission features and reversible mechanical force responsive fluorescent properties.
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| GB/T 7714 | Li, Zefeng , Zhang, Caihang , Zheng, Yingxuan et al. Mechanochemical synthesis of biphenyl-derived organic fluorescent materials via solvent-free and ligand-free oxidative homocoupling reactions [J]. | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (16) : 7356-7361 . |
| MLA | Li, Zefeng et al. "Mechanochemical synthesis of biphenyl-derived organic fluorescent materials via solvent-free and ligand-free oxidative homocoupling reactions" . | NEW JOURNAL OF CHEMISTRY 48 . 16 (2024) : 7356-7361 . |
| APA | Li, Zefeng , Zhang, Caihang , Zheng, Yingxuan , Deng, Ping , Yu, Yan . Mechanochemical synthesis of biphenyl-derived organic fluorescent materials via solvent-free and ligand-free oxidative homocoupling reactions . | NEW JOURNAL OF CHEMISTRY , 2024 , 48 (16) , 7356-7361 . |
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Conjugated polymers with strong absorption in the second near-infrared (NIR-II) window have multiple applications. However, the development of new type of NIR-II conjugated polymers via facile and green methods remains challenging. Herein, this work reports a mild and convenient transition-metal-free method to synthesize near-infrared absorbing quinoidal conjugated polymers containing para-azaquinodimethane (AQM) moieties. The AQM quinoidal conjugated polymers with unique molecular structures and tunable optoelectronic properties can be synthesized by combining the Knoevenagel polycondensation of aromatic dialdehyde monomers with commercially available 1,4-diacetyl-2,5-piperazinedione and the following alkylation reaction. The resultant polymer PQ-DPP shows remarkable NIR-II absorption with a narrow band gap of about 1.08 eV. PQ-DPP nanoparticles exhibit high photothermal conversion efficiency of up to 48% under 1064 nm laser irradiation (1 W cm(-2)) endowing this polymer with potential in bio-related applications.
Keyword ：
NIR-II absorbing and photothermal conversion NIR-II absorbing and photothermal conversion para-azaquinodimethane para-azaquinodimethane quinoidal conjugated polymers quinoidal conjugated polymers transition-metal-free method transition-metal-free method
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| GB/T 7714 | Li, Man , Xiao, Yufa , Deng, Ping et al. Near-Infrared Absorbing Para-Azaquinodimethane Conjugated Polymers Synthesized via the Transition-Metal-Free Route toward Efficient Photothermal Conversion [J]. | MACROMOLECULAR RAPID COMMUNICATIONS , 2024 , 45 (7) . |
| MLA | Li, Man et al. "Near-Infrared Absorbing Para-Azaquinodimethane Conjugated Polymers Synthesized via the Transition-Metal-Free Route toward Efficient Photothermal Conversion" . | MACROMOLECULAR RAPID COMMUNICATIONS 45 . 7 (2024) . |
| APA | Li, Man , Xiao, Yufa , Deng, Ping , Yu, Yan . Near-Infrared Absorbing Para-Azaquinodimethane Conjugated Polymers Synthesized via the Transition-Metal-Free Route toward Efficient Photothermal Conversion . | MACROMOLECULAR RAPID COMMUNICATIONS , 2024 , 45 (7) . |
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The 6H-[1,2,5]thiadiazolo[3,4-e]thieno[3,2-b]indole-flanked para-azaquinodimethane (p-AQM)-based polymer semiconductors PQ-1 and PQ-2 are rationally designed through a p-extended aromatic-quinoidal design strategy. They are synthesized by the direct arylation polycondensation (DArP) method. Their physicochemical properties are investigated. Both polymers show high number-average molecular weights of over 120 kDa. PQ-1 exhibits a narrower band gap compared to its thiophene-flanked p-AQM polymer counterpart. PQ-2, with more aromatic thiophene units in the conjugated main chains, displays a broader band gap compared to PQ-1. Both PQ-1 and PQ-2 possess high-lying highest occupied molecular orbital energy levels (about -5.0 eV). They exhibit typical p-type semiconductor characteristics according to the results of characterization of organic field-effect transistors. This work presents an alternative p-extended aromatic-quinoidal design strategy and a convenient DArP method to build new p-AQM polymer semiconductors.
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| GB/T 7714 | Xiao, Yufa , Fu, Huaijie , Li, Zefeng et al. 6H-[1,2,5]Thiadiazolo[3,4-e]thieno[3,2-b]indole-flanked para-azaquinodimethane based aromatic-quinoidal polymer semiconductors with high molecular weights synthesized via direct arylation polycondensation [J]. | MATERIALS ADVANCES , 2023 , 4 (8) : 1927-1934 . |
| MLA | Xiao, Yufa et al. "6H-[1,2,5]Thiadiazolo[3,4-e]thieno[3,2-b]indole-flanked para-azaquinodimethane based aromatic-quinoidal polymer semiconductors with high molecular weights synthesized via direct arylation polycondensation" . | MATERIALS ADVANCES 4 . 8 (2023) : 1927-1934 . |
| APA | Xiao, Yufa , Fu, Huaijie , Li, Zefeng , Zheng, Yingxuan , Deng, Ping , Lei, Yanlian et al. 6H-[1,2,5]Thiadiazolo[3,4-e]thieno[3,2-b]indole-flanked para-azaquinodimethane based aromatic-quinoidal polymer semiconductors with high molecular weights synthesized via direct arylation polycondensation . | MATERIALS ADVANCES , 2023 , 4 (8) , 1927-1934 . |
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Ball milling Knoevenagel condensation reactions of dialdehyde aromatic derivatives and methylene-activated derivatives have been conducted in air and solvent-free systems with ammonium acetate as the catalyst to obtain a series of nonfullerene small molecular acceptors. Organic solar cells based on the fully non-fused ring acceptor SMA-8 showed a power conversion efficiency of 10.02%.
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| GB/T 7714 | Li, Zeyang , Deng, Ping , Li, Siying et al. Mechanochemical synthesis of nonfullerene small molecular acceptors [J]. | JOURNAL OF MATERIALS CHEMISTRY C , 2022 , 10 (20) : 7810-7814 . |
| MLA | Li, Zeyang et al. "Mechanochemical synthesis of nonfullerene small molecular acceptors" . | JOURNAL OF MATERIALS CHEMISTRY C 10 . 20 (2022) : 7810-7814 . |
| APA | Li, Zeyang , Deng, Ping , Li, Siying , Lin, Zhensong , Yuan, Jianyu , Zhan, Hongbing . Mechanochemical synthesis of nonfullerene small molecular acceptors . | JOURNAL OF MATERIALS CHEMISTRY C , 2022 , 10 (20) , 7810-7814 . |
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A simple wide-bandgap conjugated polymer based on indoloquinoxaline unit (PIQ) has been newly designed and synthesized via cheap and commercially available starting materials. The basic physicochemical properties of the PIQ have been investigated. PIQ possesses a broad and strong absorption band in the wavelength range of 400 similar to 660 nm with a bandgap of 1.80 eV and lower-lying highest occupied molecular orbital energy level of -5.58 eV. Polymer solar cells based on PIQ and popular acceptor Y6 blend display a preliminarily optimized power conversion efficiency of 6.4%. The results demonstrate indoloquinoxaline is a promising building unit for designing polymer donor materials for polymer solar cells.
Keyword ：
indoloquinoxaline indoloquinoxaline low-cost polymer donor low-cost polymer donor polymer solar cells polymer solar cells wide-bandgap polymer wide-bandgap polymer
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| GB/T 7714 | Guo, Yiping , Li, Zeyang , Sha, Mengzhen et al. Synthesis of a Low-Cost Thiophene-Indoloquinoxaline Polymer Donor and Its Application to Polymer Solar Cells [J]. | POLYMERS , 2022 , 14 (8) . |
| MLA | Guo, Yiping et al. "Synthesis of a Low-Cost Thiophene-Indoloquinoxaline Polymer Donor and Its Application to Polymer Solar Cells" . | POLYMERS 14 . 8 (2022) . |
| APA | Guo, Yiping , Li, Zeyang , Sha, Mengzhen , Deng, Ping , Lin, Xinyu , Li, Jun et al. Synthesis of a Low-Cost Thiophene-Indoloquinoxaline Polymer Donor and Its Application to Polymer Solar Cells . | POLYMERS , 2022 , 14 (8) . |
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