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学者姓名：张书泉
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Abstract ：
Photochromic materials and room-temperature phosphorescence (RTP) are essential for applications in optoelectronics and bioimaging. Organic-inorganic hybrid materials, particularly those exhibiting donor-acceptor (D-A) characteristics through supramolecular interactions, have shown significant potential to integrate both photochromic and RTP properties. Among them, the anion-pi and pi-pi interactions have been extensively studied; however, the role of anion-pi-pi interactions in hybrid materials remains largely unexplored. This study investigated three naphthalenediimide-polyoxometalate (NDI-POM) hybrids: (H2DMAP-NDI)(HPW12O40)(NMP)2 (1), (HDMAP-NDI)2(HPW12O40)(NMP)2 (2), and (HDMAP-NDI)2(HPW12O40)(NMP)7 (3), focusing on the impact of anion-pi-pi interactions on their photochromic and RTP properties. The results indicate that hybrid 1 exhibits the fastest photoresponse and highest RTP quantum yield, primarily driven by anion-pi interactions. Hybrid 2, which involves anion-pi-pi interactions, shows slower photochromism and lower RTP yield due to exciton localization and nonradiative decay paths resulting from pi-pi stacking. Hybrid 3, characterized by excessively strong interactions, is unstable and nonemissive. This study provides valuable insights into the role of anion-pi-pi interactions in hybrid materials and offers a framework for designing advanced photoresponsive materials with tunable properties for diverse applications.
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| GB/T 7714 | Di, Yi-Ming , Song, Yu-Ping , Zhang, Shu-Quan et al. Anion-π(-π) Interactions in Donor-Acceptor Hybrid Materials to Control Photochromism and Room-Temperature Phosphorescence [J]. | INORGANIC CHEMISTRY , 2025 , 64 (12) : 6183-6191 . |
| MLA | Di, Yi-Ming et al. "Anion-π(-π) Interactions in Donor-Acceptor Hybrid Materials to Control Photochromism and Room-Temperature Phosphorescence" . | INORGANIC CHEMISTRY 64 . 12 (2025) : 6183-6191 . |
| APA | Di, Yi-Ming , Song, Yu-Ping , Zhang, Shu-Quan , Lin, Mei-Jin . Anion-π(-π) Interactions in Donor-Acceptor Hybrid Materials to Control Photochromism and Room-Temperature Phosphorescence . | INORGANIC CHEMISTRY , 2025 , 64 (12) , 6183-6191 . |
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Harnessing supramolecular interactions to regulate the structure and performance of functional materials is a key challenge in materials chemistry. Herein, the study utilizes 18-crown-6 (18C6) ether-assisted alkali-metal (Na, K, Cs) copper(I) iodide supramolecular assemblies to precisely regulate the material structures. This approach facilitated the transition from 1D mono-royal crown coordination (18C6@KCuI2, CKCI) to 0D di-royal crown ((18C6)(2)@Na-2(H2O)(3)Cu4I6, CNCI) and tri-royal crown ((18C6)(3)@Cs2Cu2I4, CCCI) structures. Interestingly, the CCCI single-crystal exhibits outstanding scintillation properties, with a high relative light yield of 71 000 photons MeV-1 and an ultralow detection limit of 39.3 nGy s(-1), which can be attributed to the synergistic effects of 18C6 and copper-iodide clusters. It stabilizes the self-trapped exciton state, enhances exciton localization, and reduces non-radiative losses, thus resulting in a large Stokes shift of 193 nm and near-unity photoluminescence quantum yield of 99.4%. Additionally, 18C6 can promote crystal nucleation and growth, making it easy to prepare centimeter-scale transparent single crystals with >80% transmittance, such as CCCI single crystal can achieve an ultrahigh-resolution X-ray imaging of 26.3 lp mm(-1). It demonstrates that the structure and performance of halide scintillators can be regulated through supramolecular interactions, which provides a new approach for developing high-performance scintillator materials.
Keyword ：
18-crown-6 18-crown-6 copper(I) iodide copper(I) iodide self-trapped exciton state self-trapped exciton state supramolecular scintillators supramolecular scintillators X-ray imaging X-ray imaging
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| GB/T 7714 | Ye, Yuanji , Di, Yiming , Zhou, Jiahao et al. Crown Ether-Assisted Alkali-Metal Copper(I) Iodide Supramolecular Scintillators with Near-Unity Emission for Ultrahigh-Resolution X-Ray Imaging [J]. | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
| MLA | Ye, Yuanji et al. "Crown Ether-Assisted Alkali-Metal Copper(I) Iodide Supramolecular Scintillators with Near-Unity Emission for Ultrahigh-Resolution X-Ray Imaging" . | ADVANCED FUNCTIONAL MATERIALS (2025) . |
| APA | Ye, Yuanji , Di, Yiming , Zhou, Jiahao , Qiu, Qiangwen , Chen, Yuhua , Zhong, Shanyuan et al. Crown Ether-Assisted Alkali-Metal Copper(I) Iodide Supramolecular Scintillators with Near-Unity Emission for Ultrahigh-Resolution X-Ray Imaging . | ADVANCED FUNCTIONAL MATERIALS , 2025 . |
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Crystalline donor-acceptor (D-A) hybrid materials show a significant potential for photocatalytic applications, but achieving broad light absorption and high photocatalytic efficiency remains a challenge. To address this issue, herein, heteropoly blues, as electron donors, and N,N '-bis(N,N-dimethylaminoethyl)-1,4,5,8-naphthalenediimide (NDIDMA), as electron acceptors, have been introduced to these D-A hybrid materials to enhance their light-harvesting and photocatalytic capabilities. Consequently, heteropoly blue/naphthalenediimide D-A hybrid materials H2NDIDMA[H5PMo8 VIMo4 VO40]2DMF (1) have been synthesized. For comparison, the isostructural fully oxidized polyoxometalate-containing counterpart, H2NDIDMAHPW12O402DMF (2), has also been prepared. As expected, hybrid 1 exhibited a broad light absorption range (300-2500 nm) and demonstrated superior photocatalytic decontamination abilities against mustard gas simulants under full-spectrum and near-infrared (NIR) light irradiation compared to hybrid 2. Remarkably, the heteropoly blues in hybrid 1 demonstrated high stability under catalytic conditions and in ambient environments. Additionally, these stable hybrids exhibited excellent recyclability without a loss of activity after five cycles.
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| GB/T 7714 | Song, Yu-Ping , Di, Yi-Ming , Zhang, Shu-Quan et al. Panchromatic Donor-Acceptor Hybrid Materials for Near-Infrared-Activatable Photocatalytic Detoxification of Mustard Gas Simulants [J]. | INORGANIC CHEMISTRY , 2025 , 64 (18) : 9277-9286 . |
| MLA | Song, Yu-Ping et al. "Panchromatic Donor-Acceptor Hybrid Materials for Near-Infrared-Activatable Photocatalytic Detoxification of Mustard Gas Simulants" . | INORGANIC CHEMISTRY 64 . 18 (2025) : 9277-9286 . |
| APA | Song, Yu-Ping , Di, Yi-Ming , Zhang, Shu-Quan , Lin, Mei-Jin . Panchromatic Donor-Acceptor Hybrid Materials for Near-Infrared-Activatable Photocatalytic Detoxification of Mustard Gas Simulants . | INORGANIC CHEMISTRY , 2025 , 64 (18) , 9277-9286 . |
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The development of high-quality organic scintillators encounters challenges primarily associated with the weak X-ray absorption ability resulting from the presence of low atomic number elements. An effective strategy involves the incorporation of halogen-containing molecules into the system through co-crystal engineering. Herein, we synthesized a highly fluorescent dye, 2,5-di(4-pyridyl)thiazolo[5,4-d]thiazole (Py2TTz), with a fluorescence quantum yield of 12.09%. Subsequently, Py2TTz was co-crystallized with 1,4-diiodotetrafluorobenzene (I2F4B) and 1,3,5-trifluoro-2,4,6-triiodobenzene (I3F3B) obtaining Py2TTz-I2F4 and Py2TTz-I3F3. Among them, Py2TTz-I2F4 exhibited exceptional scintillation properties, including an ultrafast decay time (1.426 ns), a significant radiation luminescence intensity (146% higher than Bi3Ge4O12), and a low detection limit (70.49 nGy s-1), equivalent to 1/78th of the detection limit for medical applications (5.5 mu Gy s-1). This outstanding scintillation performance can be attributed to the formation of halogen-bonding between I2F4B and Py2TTz. Theoretical calculations and single-crystal structures demonstrate the formation of halogen-bond-induced rather than pi-pi-induced charge-transfer cocrystals, which not only enhances the X-ray absorption ability and material conductivity under X-ray exposure, but also constrains molecular vibration and rotation, and thereby reducing non-radiative transition rate and sharply increasing its fluorescence quantum yields. Based on this, the flexible X-ray film prepared based on Py2TTz-I2F4 achieved an ultrahigh spatial resolution of 26.8 lp per mm, underscoring the superiority of this strategy in developing high-performance organic scintillators. Two organic halogen co-crystal scintillators with strong halogen-bond-induced charge-transfer interactions enable a fast response, low detection limit and ultra-high-resolution imaging.
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| GB/T 7714 | Chen, Yu-Hua , Zhang, Guo-Zhen , Chen, Fu-Hai et al. Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging [J]. | CHEMICAL SCIENCE , 2024 , 15 (20) : 7659-7666 . |
| MLA | Chen, Yu-Hua et al. "Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging" . | CHEMICAL SCIENCE 15 . 20 (2024) : 7659-7666 . |
| APA | Chen, Yu-Hua , Zhang, Guo-Zhen , Chen, Fu-Hai , Zhang, Shu-Quan , Fang, Xin , Chen, Hong-Ming et al. Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging . | CHEMICAL SCIENCE , 2024 , 15 (20) , 7659-7666 . |
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Semiconductive metal-organic frameworks (MOFs) with donor-acceptor (D-A) characteristics have garnered attractive attention due to their capacity for separating and transferring photogenerated charges, making them promising candidates for high-performance X-ray detectors. However, the low charge transfer efficiency between the metal nodes and organic ligands limits the X-ray-to-electricity conversion efficiency of these materials. Herein, an additional photoactive donor (D') is introduced by incorporating a heavy atom-containing polyoxometalate (POM) [alpha-SiW12O40](4-) into a binary {[Nibcbp(H2O)(2)](H2O)(4)Cl}(n) (Ni-bcbp, bcbp: H(2)bcbp2Cl = 1,1 '-bis(4-carboxyphenyl)(4,4 '-bipyridinium) dichloride) MOF, resulting in a semiconductive ternary D-D'-A framework {[Ni-2(bcbp)(2)(H2O)(4)(DMA)](SiW12O40)}(n) (SiW@Ni-bcbp, DMA: dimethylacetamide). The obtained material features an unprecedented porous 8-connected bcu-net structure that accommodates nanoscale [alpha-SiW12O40](4-) counterions, displaying uncommon optoelectronic responses. In contrast to binary Ni-bcbp, the SiW@Ni-bcbp framework exhibits distinctive photochromism and robust X-ray responsiveness, which can be attributed to the synergistic effects of the electron reservoir and multiple photoinduced electron transfer originating from the POMs. As a result, the X-ray detector based on SiW@Ni-bcbp demonstrates a sensitivity of 5741.6 mu C Gy(air)(-1) cm(-2) with a low detection limit of 0.49 mu Gy(air) s(-1). Moreover, the devices demonstrated the capability of producing clearness X-ray images, providing a feasible and stable solution for constructing high-performance direct X-ray detectors.
Keyword ：
direct X-ray detector direct X-ray detector metal-organic framework metal-organic framework multiple electron transfer multiple electron transfer photoelectric conversion photoelectric conversion
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| GB/T 7714 | Wei, Qingsong , Liu, Jingyan , Wu, Liang et al. Multiple Electron Transfer in Semiconductive Ternary D-D'-A Metal-Organic Framework for Enhanced X-Ray Detection and Imaging [J]. | SMALL , 2024 . |
| MLA | Wei, Qingsong et al. "Multiple Electron Transfer in Semiconductive Ternary D-D'-A Metal-Organic Framework for Enhanced X-Ray Detection and Imaging" . | SMALL (2024) . |
| APA | Wei, Qingsong , Liu, Jingyan , Wu, Liang , Chen, Fuhai , Ye, Yuanji , Zhang, Shuquan et al. Multiple Electron Transfer in Semiconductive Ternary D-D'-A Metal-Organic Framework for Enhanced X-Ray Detection and Imaging . | SMALL , 2024 . |
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Correction for 'Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging' by Yu-Hua Chen et al., Chem. Sci., 2024, https://doi.org/10.1039/d4sc00735b.
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| GB/T 7714 | Chen, Yu-Hua , Zhang, Guo-Zhen , Chen, Fu-Hai et al. Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging (20 Apr, 10.1039/d4sc00735b, 2024) [J]. | CHEMICAL SCIENCE , 2024 , 15 (21) : 8249-8249 . |
| MLA | Chen, Yu-Hua et al. "Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging (20 Apr, 10.1039/d4sc00735b, 2024)" . | CHEMICAL SCIENCE 15 . 21 (2024) : 8249-8249 . |
| APA | Chen, Yu-Hua , Zhang, Guo-Zhen , Chen, Fu-Hai , Zhang, Shu-Quan , Fang, Xin , Chen, Hong-Ming et al. Halogen-bonded charge-transfer co-crystal scintillators for high-resolution X-ray imaging (20 Apr, 10.1039/d4sc00735b, 2024) . | CHEMICAL SCIENCE , 2024 , 15 (21) , 8249-8249 . |
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As an emerging class of hybrid complexes, donor-acceptor (D-A) hybrid heterostructures, which combine the advantages of both organic and inorganic photoactive components, provide excellent platforms for the fabrication of photochromic materials with enhanced photo-responsive performances. Herein, four novel hybrid heterostructures, namely H3TPT(PW12O40)2NMP (1), (H1.5TPT)(2)(PW12O40) (2), (H3TPT)(2)(SiW12O40)2Cl2MeCN (3), and H3TPT(HPMo12O40)Cl3NMP (4) (TPT is tri(4-pyridyl)-s-triazine, NMP is N-methylpyrrolidone), have been synthesized and characterized. Benefitting from the strong interactions (anion-pi interactions) and matching electron energy levels between the donors and acceptors, some of them exhibited ultrafast photochromic behaviour even up to 1 second. Furthermore, based on experimental and theoretical calculations, the plausible PIET process and structure-activity relationship have been discussed in detail.
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| GB/T 7714 | Chen, Yue-Chen , Di, Yi-Ming , Zhang, Shu-Quan et al. Polyoxometalate/s-triazine hybrid heterostructures with ultrafast photochromic properties [J]. | DALTON TRANSACTIONS , 2024 , 53 (7) : 3215-3223 . |
| MLA | Chen, Yue-Chen et al. "Polyoxometalate/s-triazine hybrid heterostructures with ultrafast photochromic properties" . | DALTON TRANSACTIONS 53 . 7 (2024) : 3215-3223 . |
| APA | Chen, Yue-Chen , Di, Yi-Ming , Zhang, Shu-Quan , Lin, Mei-Jin . Polyoxometalate/s-triazine hybrid heterostructures with ultrafast photochromic properties . | DALTON TRANSACTIONS , 2024 , 53 (7) , 3215-3223 . |
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As an emerging class of hybrid materials, donor-acceptor (D-A) hybrid crystals with photoactive organic and inorganic components have gradually become an ideal platform for photochromic materials. Wherein the most available organic components are electron-poor naphthalenediimide, pyridinium, and triazine derivatives, inorganic units are electron-rich polyoxometalates and metal halides. Herein, we introduced pyridinium moieties into the naphthalenediimide core by conjugated bonds so as to increase the electron deficiency of organic species for enhanced photochromic properties. Four anion-pi interaction directed hybrid crystals, (Me2DPNDI)(3)(PW12O40)(2) (1), (Et2DPNDI)(3)(DMSO)(2)(PMo12O40)(2) (2), (Et2DPNDI)(3)(PW12O40)(2) (3), and (Et2DPNDI)(2)(SiMo12O40) (4), have been obtained, which possess reversible, naked-eye perceptible color changes with varying light response rates. These rates are as follows: 3 > 1 > 4 > 2. As expected, such D-A hybrid crystals with conjugated naphthalenediimide-pyridinium salts feature both photo- and thermally induced electron transfer pathways, along with enhanced anion-pi interactions. Consequently, they demonstrate a higher rate of photochromism compared to those of hybrids containing naphthalenediimide or pyridinium derivatives as organic acceptors.
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| GB/T 7714 | Chen, Jia-Bao , Di, Yi-Ming , Ye, Yuan-Ji et al. Conjugated Naphthalenediimide-Pyridinium Salts in Donor-Acceptor Hybrid Materials for Enhanced Photochromic Properties [J]. | INORGANIC CHEMISTRY , 2024 , 64 (1) : 606-616 . |
| MLA | Chen, Jia-Bao et al. "Conjugated Naphthalenediimide-Pyridinium Salts in Donor-Acceptor Hybrid Materials for Enhanced Photochromic Properties" . | INORGANIC CHEMISTRY 64 . 1 (2024) : 606-616 . |
| APA | Chen, Jia-Bao , Di, Yi-Ming , Ye, Yuan-Ji , Song, Yu-Ping , Zhou, Jia-Hao , You, Ming-Hua et al. Conjugated Naphthalenediimide-Pyridinium Salts in Donor-Acceptor Hybrid Materials for Enhanced Photochromic Properties . | INORGANIC CHEMISTRY , 2024 , 64 (1) , 606-616 . |
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Low-dimensional inorganic-organic hybrid perovskiteswithhigh moisture tolerance and long-lived charge separation states havecaptured significant attention in the field of optoelectronic devices.To further achieve the relationship between crystal structures andstability, as well as charge separation behaviors, three one-dimensionalhybrid perovskites containing electron-deficient naphthalene diimideammonium (NDIEA) and electron-rich iodoplumbate chains, [(H(2)NDIEA)Pb2I6]center dot 2DMF (1), [(H(2)NDIEA)(2)Pb5I14 center dot(DMF)(2)]center dot 4DMF (2), and [(HNDIEA)(2)Pb2I6]center dot 3H(2)O (3), weresynthesized. Crystal structure determinations revealed various synthesisconditions leading to different stacking modes, especially the inorganiclead iodide fraction, which resulted in different water resistancesand charge-separated behaviors. The comprehensive analysis found thatstrong intermolecular interactions (anion-pi interactionsand pi-pi interactions), and matching energy levelsbetween protonated NDIEA and iodoplumbate chains, can facilitate thegeneration of long-lived charge separation states and extraordinarymoisture stability, even in the water environment. In addition, theconductivity behavior of 3 was also explored in detail. Low-dimensional inorganic-organichybrid perovskitescontaining electron-deficient naphthalene diimide ammoniums and electron-richiodoplumbate chains have been reported, which possess long-lived chargeseparation states and extraordinary moisture stability.
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| GB/T 7714 | Fang, Hua , Chen, Fu-Hai , Zhang, Shu-Quan et al. Three Semiconductive 1D Naphthalene Diimide/Iodoplumbate Perovskites with High Moisture Tolerance and Long-Lived Charge Separation States [J]. | INORGANIC CHEMISTRY , 2023 , 62 (24) : 9661-9670 . |
| MLA | Fang, Hua et al. "Three Semiconductive 1D Naphthalene Diimide/Iodoplumbate Perovskites with High Moisture Tolerance and Long-Lived Charge Separation States" . | INORGANIC CHEMISTRY 62 . 24 (2023) : 9661-9670 . |
| APA | Fang, Hua , Chen, Fu-Hai , Zhang, Shu-Quan , Lin, Mei-Jin . Three Semiconductive 1D Naphthalene Diimide/Iodoplumbate Perovskites with High Moisture Tolerance and Long-Lived Charge Separation States . | INORGANIC CHEMISTRY , 2023 , 62 (24) , 9661-9670 . |
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The development of novel building blocks with sp(3)-hybridized-carbon-free conjugated skeletons is important to further advance and enrich nonfullerene acceptors (NFAs), but this remains a challenge due to the lack of strategies to effectively modulate the aggregation behavior of resulting NFAs. Herein, two novel nitrogen-bridged octacyclic ladder-type heteroarenes end-capped with thiophene rings (BTPS) or selenophene rings (BTPSe) are designed and synthesized as the donor cores for constructing NFAs (MQX-2 and MQX-4). It is found that replacing the sulfur atoms (MQX-2) at the outer positions of the heteroarene core with selenium atoms (MQX-4) can effectively modulate the molecular packing mode of the NFAs. The incorporation of selenium atoms induces stronger O...Se noncovalent interaction than O...S, thus promoting the formation of mixed H/J-type aggregates in MQX-4. Benefiting from more electron hopping channels, MQX-4 exhibits higher electron transport (more than 1-fold enhancement) and photovoltaic properties compared to MQX-2, which forms only H-type aggregates.
Keyword ：
Electron acceptors Electron acceptors Electron transport Electron transport Molecular packing Molecular packing Noncovalent interactions Noncovalent interactions Polymer solar cells Polymer solar cells
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| GB/T 7714 | Tao, Hongxin , Tang, Changquan , Ma, Yunlong et al. Enhancing Photovoltaic Performance of Ladder-Type Heteroarene-Based Electron Acceptors by Modulating Molecular Packing [J]. | CHINESE JOURNAL OF CHEMISTRY , 2023 , 41 (17) : 2143-2150 . |
| MLA | Tao, Hongxin et al. "Enhancing Photovoltaic Performance of Ladder-Type Heteroarene-Based Electron Acceptors by Modulating Molecular Packing" . | CHINESE JOURNAL OF CHEMISTRY 41 . 17 (2023) : 2143-2150 . |
| APA | Tao, Hongxin , Tang, Changquan , Ma, Yunlong , Zhang, Shu-Quan , Liao, Ruochuan , Tu, Qisheng et al. Enhancing Photovoltaic Performance of Ladder-Type Heteroarene-Based Electron Acceptors by Modulating Molecular Packing . | CHINESE JOURNAL OF CHEMISTRY , 2023 , 41 (17) , 2143-2150 . |
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