{"product_id":"4-7h-dibenzoc-gcarbazol-7-ylphenylphosphonic-acid-98-3046309-18-3","title":"4-(7H-Dibenzo[c,g]carbazol-7-yl)phenyl)phosphonic acid, 98% | 3046309-18-3","description":"\u003ctable width=\"100%\" style=\"width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.3076%;\"\u003eBrand\u003c\/td\u003e\n\u003ctd style=\"width: 23.6965%;\"\u003eJ\u0026amp;K\u003c\/td\u003e\n\u003ctd style=\"width: 27.7974%;\"\u003eProduct Number\u003c\/td\u003e\n\u003ctd style=\"width: 22.1441%;\"\u003e9426721\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.3076%;\"\u003eCAS No.\u003c\/td\u003e\n\u003ctd style=\"width: 23.6965%;\"\u003e 3046309-18-3\u003c\/td\u003e\n\u003ctd style=\"width: 27.7974%;\"\u003ePurity\u003c\/td\u003e\n\u003ctd style=\"width: 22.1441%;\"\u003e98%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.3076%;\"\u003eMolecular Formula\u003c\/td\u003e\n\u003ctd style=\"width: 23.6965%;\"\u003eC₂₆H₁₈NO₃P\u003c\/td\u003e\n\u003ctd style=\"width: 27.7974%;\"\u003eMolecular Weight\u003c\/td\u003e\n\u003ctd style=\"width: 22.1441%;\"\u003e423.40\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eProduct Introduction\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003cp\u003eSelf-assembled monolayer (SAM) materials are key interfacial functional materials in perovskite solar cells. By enabling effective interface defect passivation and efficient charge carrier transport, SAM materials play a critical role in improving photovoltaic performance, device stability, and scalable manufacturing feasibility.\u003c\/p\u003e\n\u003cp\u003eConventional organic SAM materials are often limited by weak carrier transport capability, insufficient chemical stability, and challenges in large-area processing, which have become major obstacles to further improving perovskite photovoltaic performance and accelerating industrial commercialization.\u003c\/p\u003e\n\u003cp\u003eA novel SAM material, \u003cstrong\u003e4-(7H-Dibenzo【c,g】carbazol-7-yl)phenylphosphonic acid (Bz-PhpPACz)\u003c\/strong\u003e, developed by the research team of \u003cstrong\u003eProf Xu, Zongxiang at Southern University of Science and Technology\u003c\/strong\u003e, overcomes the limitations of traditional monolayer structures. Through enhanced intermolecular π–π interactions, Bz-PhpPACz forms an ordered hydrophilic bilayer structure, providing multiple advantages including efficient defect passivation, enhanced charge transport, and improved fabrication of high-quality large-area perovskite films.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eKey Advantages\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eHigh Photovoltaic Performance\u003c\/h3\u003e\n\u003cp\u003eBz-PhpPACz enables high-efficiency perovskite solar cell fabrication across different device scales.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCertified power conversion efficiency (PCE) of \u003cstrong\u003e26.39%\u003c\/strong\u003e for small-area devices (0.0715 cm²).\u003c\/li\u003e\n\u003cli\u003eAchieved \u003cstrong\u003e25.44% efficiency\u003c\/strong\u003e for large-area devices (1 cm²).\u003c\/li\u003e\n\u003cli\u003eDemonstrated excellent performance retention with minimal efficiency degradation during scale-up.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/F2.webp?v=1785389639\" alt=\"High Photovoltaic Performance\" style=\"float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eExcellent Long-Term Stability\u003c\/h3\u003e\n\u003cp\u003eThe SAM material significantly improves operational stability of perovskite solar cells.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePassed \u003cstrong\u003eover 3000 hours of continuous illumination aging testing\u003c\/strong\u003e under the \u003cstrong\u003eISOS-L-II protocol\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eDevices maintained more than \u003cstrong\u003e91% of their initial efficiency\u003c\/strong\u003e, demonstrating enhanced resistance against performance degradation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/F3.webp?v=1785389663\" alt=\"Excellent Long-Term Stability\" style=\"margin-right: 0.015625px; margin-left: 0.015625px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eSimplified Device Fabrication Process\u003c\/h3\u003e\n\u003cp\u003eBz-PhpPACz provides a more efficient and scalable fabrication approach.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eOptimized concentration: \u003cstrong\u003e2.8 mM\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEnables a \u003cstrong\u003esingle-step spin-coating process\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003eEliminates additional cleaning procedures, improving manufacturing efficiency and production yield.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/F4.webp?v=1785389726\" alt=\"Simplified Device Fabrication Process\" style=\"margin-right: 0.015625px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch3\u003eInnovative Molecular Structure\u003c\/h3\u003e\n\u003cp\u003eThe unique molecular design of Bz-PhpPACz promotes the formation of an ordered hydrophilic bilayer structure.\u003c\/p\u003e\n\u003cp\u003eKey benefits include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eReduced interface defect density.\u003c\/li\u003e\n\u003cli\u003eImproved surface wettability for high-quality perovskite film formation.\u003c\/li\u003e\n\u003cli\u003eEnhanced interfacial charge extraction and transport efficiency.\u003c\/li\u003e\n\u003cli\u003eImproved compatibility with large-area perovskite device fabrication.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv style=\"text-align: start;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/F5.webp?v=1785389748\" alt=\"Innovative Molecular Structure\" style=\"margin-right: 0.03125px; margin-left: 0.015625px; float: none;\"\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cp\u003eAs an advanced \u003cstrong\u003ehole-selective interfacial material\u003c\/strong\u003e, Bz-PhpPACz is widely applicable in next-generation optoelectronic devices, including:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003ePerovskite solar cells (PSCs)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePerovskite quantum dot light-emitting devices (PeQLEDs)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOrganic photovoltaic devices (OPVs)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOrganic light-emitting diodes (OLEDs)\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eBz-PhpPACz provides a high-performance interface engineering solution for developing efficient, stable, and scalable photovoltaic and optoelectronic devices.\u003c\/p\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/J_K_Scientific-9426721.pdf?v=1785393204\" title=\"Bz-PhpPACz cas：3046309-18-3\" rel=\"noopener\" target=\"_blank\"\u003eDownload Application Guide\u003c\/a\u003e\u003c\/h2\u003e\n\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eFrequently Asked Questions (FAQ)\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h2\u003e\n\u003ch3\u003eQ1: What is Bz-PhpPACz?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bz-PhpPACz is an advanced self-assembled monolayer (SAM) material used as an interfacial functional layer in perovskite solar cells. It is designed to improve interface quality, reduce defect density, and enhance charge carrier extraction and transport between the electrode and perovskite active layer.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ2: What are the main applications of Bz-PhpPACz?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bz-PhpPACz is primarily used for perovskite solar cell research as a hole-selective interfacial material. It can also be applied in other advanced optoelectronic devices, including perovskite quantum dot light-emitting devices (PeQLEDs), organic photovoltaic devices (OPVs), and organic light-emitting diodes (OLEDs).\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ3: How does Bz-PhpPACz improve the performance of perovskite solar cells?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bz-PhpPACz forms an ordered hydrophilic bilayer structure through enhanced intermolecular π–π interactions. This structure helps passivate interface defects, improve perovskite film quality, facilitate charge extraction, and reduce recombination losses, resulting in improved photovoltaic efficiency and stability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ4: What advantages does Bz-PhpPACz have compared with traditional SAM materials?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Compared with conventional organic SAM materials, Bz-PhpPACz offers improved molecular ordering, stronger intermolecular interactions, enhanced chemical stability, and better compatibility with large-area perovskite film fabrication. These advantages help overcome limitations related to charge transport, stability, and scalability.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ5: Can Bz-PhpPACz be used for large-area perovskite solar cell fabrication?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Bz-PhpPACz has demonstrated excellent performance in both small-area and large-area perovskite solar cells. It supports high-quality perovskite film formation and maintains high device efficiency during scale-up, making it suitable for research toward scalable photovoltaic manufacturing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ6: What processing method is recommended for Bz-PhpPACz?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Bz-PhpPACz can be processed using a simple spin-coating method. An optimized concentration of \u003cstrong\u003e2.8 mM\u003c\/strong\u003e enables single-step coating without additional cleaning procedures, providing a simplified fabrication process for perovskite photovoltaic devices.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ7: How does Bz-PhpPACz contribute to device stability?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e By reducing interface defects and improving interfacial charge transport, Bz-PhpPACz helps suppress degradation pathways in perovskite solar cells. Devices incorporating this SAM material have demonstrated long-term operational stability under continuous illumination testing.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ8: Is Bz-PhpPACz suitable for academic and industrial research?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Bz-PhpPACz is suitable for researchers working on perovskite photovoltaics, interface engineering, thin-film solar cells, and next-generation optoelectronic materials. It provides a promising material platform for both fundamental studies and scalable device development.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ9: What type of devices can benefit from SAM-based interface engineering?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e SAM-based interface engineering can improve various thin-film optoelectronic devices, including perovskite solar cells, tandem solar cells, quantum dot light-emitting devices, organic photovoltaic devices, and organic light-emitting devices.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eQ10: What is the role of phosphonic acid groups in Bz-PhpPACz?\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The phosphonic acid functional group enables strong chemical anchoring to metal oxide surfaces, such as ITO substrates, allowing the formation of stable self-assembled layers. This improves interface adhesion and facilitates efficient hole extraction in photovoltaic devices.\u003c\/p\u003e","brand":"J\u0026K Scientific LLC","offers":[{"title":"Default Title","offer_id":48228137238718,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0506\/0005\/0878\/files\/4-_7H-Dibenzo_c_g_carbazol-7-yl_phenyl_phosphonic_acid_98_3046309-18-3.webp?v=1785382886","url":"https:\/\/www.jk-sci.com\/products\/4-7h-dibenzoc-gcarbazol-7-ylphenylphosphonic-acid-98-3046309-18-3","provider":"J\u0026K Scientific LLC","version":"1.0","type":"link"}