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Wei DC, Pan Y, Wang H, Xu WJ, Chen C, Zheng JH, Cai D. Synthesis of substituted aromatic heterocyclic sulfonyl hydrazone compounds and in vitro anti-hepatoma activity: preliminary results. EUROPEAN REVIEW FOR MEDICAL AND PHARMACOLOGICAL SCIENCES 2018; 22:4720-4729. [PMID: 30058713 DOI: 10.26355/eurrev_201807_15532] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE Hydrazone compounds and their derivatives are a kind of special Schiff bases. The multiple hydrazone compounds and their derivatives have a variety of biological activities. This study aims to report the synthesis of diverse hydrazone derivatives and to explore the potent antitumor activities. MATERIALS AND METHODS A series of aromatic heterocyclic sulfonyl hydrazones W1-W15 synthesized from hydrazine or acylhydrazine and aldehydes or ketones were estimated for their in vitro antitumor activities against human cancers. Through the spectral (FT-IR, 1H-NMR, MS) methods, the structure of the compounds was determined. Using MTT (3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2-H-tetrazolium bromide) method, the effects of different concentrations of compounds on growth inhibition and viability of HepG-2 cells were detected. RESULTS Compound W9 exhibited anti-proliferation activity with IC50 values of 63.91 μmol/L in HepG-2 cell line. In addition, mechanism studies indicated that compound W9 could distinctly prohibit the propagation of HepG-2 cells by arresting the cell cycle at G2/M and inducing apoptosis. Furthermore, we investigated the effectiveness of drug combination treatment with W9 and cis-platinum (cis-DDP) or 5-fluorouracil (5-FU) on HepG-2 cell line. CONCLUSIONS Our results indicated that W9 with synergic treatment of 5-FU or cis-DDP shows better inhibitory cell growth. The combination of the two drugs blocks HepG-2 cells in the G2/M phase. The inhibitory effect of W9 on cell apoptosis was decreased with the increase of drug concentration.
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Wang Y, Cai D, Wu H, Fu Y, Cao Y, Zhang Y, Wu D, Tian Q, Yang S. Functionalized Cu 3BiS 3 nanoparticles for dual-modal imaging and targeted photothermal/photodynamic therapy. NANOSCALE 2018; 10:4452-4462. [PMID: 29451575 DOI: 10.1039/c7nr07458a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2023]
Abstract
Multifunctional nano-biomaterials with the integration of diagnostic and therapeutic functions have shown great promise in improving the efficacy of cancer therapy. Herein, a new nanoplatform based on functionalized Cu3BiS3 nanoparticles (NPs) is fabricated for tumour-targeted combination phototherapy. The as-synthesized hydrophobic Cu3BiS3 NPs are modified with DSPE-PEG/DSPE-PEG-NH2, followed by the conjugation of the photosensitizer chlorin e6 (Ce6) and the target ligand folic acid (FA). The introduced Ce6 can further form a chelate complex with Gd3+. The rationally designed Cu3BiS3-PEG-(Ce6-Gd3+)-FA NPs, which have high physiological stability and good biocompatibility, can specifically target FA-receptor over-expressed tumour cells. The Cu3BiS3-PEG-(Ce6-Gd3+)-FA NPs exhibit effective dual-modal CT and MR imaging in the xenografted HeLa tumours. Importantly, excellent in vivo anti-tumour effects have been achieved by synergistic photothermal/photodynamic therapy using the multifunctional NPs. We expect that this versatile nanoplatform will play a role in exploring precise cancer diagnosis and therapy.
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Llabata P, Mitsuishi Y, Choi P, Torres-Diz M, Cai D, Zhang X, Sanchez-Cespedes M, Meyerson M. P3.02-086 MGA Suppresses the MYC Pathway in Lung Adenocarcinoma. J Thorac Oncol 2017. [DOI: 10.1016/j.jtho.2017.09.1615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Liu J, Xue Y, Dong D, Xiao C, Lin C, Wang H, Song F, Fu T, Wang Z, Chen J, Pan H, Li Y, Cai D, Li Z. CCR2 - and CCR2 + corneal macrophages exhibit distinct characteristics and balance inflammatory responses after epithelial abrasion. Mucosal Immunol 2017; 10:1145-1159. [PMID: 28120849 PMCID: PMC5562841 DOI: 10.1038/mi.2016.139] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 12/19/2016] [Indexed: 02/04/2023]
Abstract
Macrophages are distributed throughout the body and are crucial for the restoration of damaged tissues. However, their characteristics in the cornea and roles in the repair of corneal injures are unclear. Here we show that corneal macrophages can be classified as CCR2- macrophages, which already exist in the cornea at embryonic day 12.5 (E12.5) and are similar to yolk sac-derived macrophages, microglia, in phenotype and gene expression, and CCR2+ macrophages, which do not appear in the cornea until E17.5. At a steady state, CCR2- corneal macrophages have local proliferation capacity and are rarely affected by monocytes; however, following corneal epithelial abrasion, most CCR2- corneal macrophages are replaced by monocytes. In contrast, CCR2+ macrophages are repopulated by monocytes under both a steady-state condition and following corneal wounding. Depletion of CCR2+ macrophages decreases corneal inflammation after epithelial abrasion, whereas depletion of CCR2- macrophages increases inflammation of the injured cornea. Loss of either cell type results in a delay in corneal healing. These data indicate that there are two unique macrophage populations present in the cornea, both of which participate in corneal wound healing by balancing the inflammatory response.
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Skinner CH, Bedoya F, Scotti F, Allain J, Blanchard W, Cai D, Jaworski M, Koel B. Advances in boronization on NSTX-Upgrade. NUCLEAR MATERIALS AND ENERGY 2017. [DOI: 10.1016/j.nme.2016.11.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Cai D. HYPOTHALAMIC INFLAMMATION IN NEURAL CONTROL OF AGING. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.3707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Zhang H, Wang H, Zeng C, Yan B, Ouyang J, Liu X, Sun Q, Zhao C, Fang H, Pan J, Xie D, Yang J, Zhang T, Bai X, Cai D. mTORC1 activation downregulates FGFR3 and PTH/PTHrP receptor in articular chondrocytes to initiate osteoarthritis. Osteoarthritis Cartilage 2017; 25:952-963. [PMID: 28043938 DOI: 10.1016/j.joca.2016.12.024] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2016] [Revised: 11/09/2016] [Accepted: 12/21/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Articular chondrocyte activation, involving aberrant proliferation and prehypertrophic differentiation, is essential for osteoarthritis (OA) initiation and progression. Disruption of mechanistic target of rapamycin complex 1 (mTORC1) promotes chondrocyte autophagy and survival, and decreases the severity of experimental OA. However, the role of cartilage mTORC1 activation in OA initiation is unknown. In this study, we elucidated the specific role of mTORC1 activation in OA initiation, and identify the underlying mechanisms. METHOD Expression of mTORC1 in articular cartilage of OA patients and OA mice was assessed by immunostaining. Cartilage-specific tuberous sclerosis complex 1 (Tsc1, mTORC1 upstream inhibitor) knockout (TSC1CKO) and inducible Tsc1 KO (TSC1CKOER) mice were generated. The functional effects of mTORC1 in OA initiation and development on its downstream targets were examined by immunostaining, western blotting and qPCR. RESULTS Articular chondrocyte mTORC1 was activated in early-stage OA and in aged mice. TSC1CKO mice exhibited spontaneous OA, and TSC1CKOER mice (from 2 months) exhibited accelerated age-related and DMM-induced OA phenotypes, with aberrant chondrocyte proliferation and hypertrophic differentiation. This was associated with hyperactivation of mTORC1 and dramatic downregulation of FGFR3 and PPR, two receptors critical for preventing chondrocyte proliferation and differentiation. Rapamycin treatment reversed these phenotypes in KO mice. Furthermore, in vitro rescue experiments demonstrated that p73 and ERK1/2 may mediate the negative regulation of FGFR3 and PPR by mTORC1. CONCLUSION mTORC1 activation stimulates articular chondrocyte proliferation and differentiation to initiate OA, in part by downregulating FGFR3 and PPR.
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Heim E, Scholten S, Maercker A, Xiu D, Cai D, Gao ZH, Lu S, Sang ZQ, Wei J, Kochetkov Y, Margraf J. Students’ Value Orientations in Contemporary China: Analysis of Measurement Invariance and Latent Mean Differences in Comparison With Students From Germany and Russia. JOURNAL OF CROSS-CULTURAL PSYCHOLOGY 2017. [DOI: 10.1177/0022022117696800] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The present study examined Chinese students’ personal value orientations according to the Schwartz value theory in comparison with students from Germany and Russia. The theory postulates 10 value orientations grouped into four higher-order factors: conservation versus openness to change and self-transcendence versus self-enhancement. Schwartz’ value orientations have been extensively investigated in Europe but less in East Asian countries such as China. We hypothesized that Chinese students would score higher on conservation and self-enhancement than German and Russian students, but lower on self-transcendence. Regarding openness to change, a null hypothesis was formulated. Students from China ( n = 9,601), Germany ( n = 1,118), and Russia ( n = 3,890) completed the Portrait Values Questionnaire (PVQ-21). To ensure methodological preconditions for cross-cultural comparison, measurement invariance of the PVQ-21 was tested. In a first step, confirmatory Factor Analysis (CFA) was conducted separately for each country. Due to the high correlation between the 10 values, the four higher-order dimensions were studied separately. Configural, metric, and scalar invariance models were tested using multigroup CFA. Full metric and partial scalar invariance models held for all higher-order factors. Thereafter, latent means of values were compared across samples. As a result, Chinese students scored highest on the four higher-order dimensions when compared with Russian and German samples, thus the hypotheses were only partly confirmed. Results of this study could reflect the value conflicts emerging from various cultural influences in contemporary China: Young people are confronted with daily negotiation between Confucian tradition and the rapid economic development.
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Cai D, Kunaviktikul W, Klunklin A, Sripusanapan A, Avant P. Developing a cultural competence inventory for nurses in China. Int Nurs Rev 2017; 64:205-214. [DOI: 10.1111/inr.12350] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Kaur P, Brehm M, Greiner D, Shultz L, Cheng M, Keck J, Cai D. Patient-derived AML mouse models with FLT3-ITD and IDH1 mutations. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32925-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Yang J, Cai D, Wang F, He D, Ma L, Jin Y, Que K. Non-carious cervical lesions (NCCLs) in a random sampling community population and the association of NCCLs with occlusive wear. J Oral Rehabil 2016; 43:960-966. [PMID: 27658541 DOI: 10.1111/joor.12445] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/18/2016] [Indexed: 10/21/2022]
Abstract
This study investigated the prevalence, risk factors and association of occlusive wear with non-carious cervical lesions (NCCLs) in the general Chinese population. A total of 1320 subjects were recruited, and multistage and random sampling methods of survey spots were performed. All age groups comprised similar numbers of participants and equal numbers of males and females. Each subject completed a structured interview, and all teeth of each subject were examined by a practitioner to determine NCCLs and occlusive wear. Binary logistic regression was conducted by analysing the association of risk factors with the occurrence of NCCLs. Bivariate correlation analysis was performed by determining the association of NCCLs dimension or depth with the range of occlusive wear facets. Clinical assessment showed that the overall prevalence of subjects diagnosed with NCCLs was 63%. The proportion of subjects or teeth with NCCLs significantly increased with age. Pre-molars were the most commonly affected teeth. Single variables and interactive effects of variables associated with the occurrence of NCCLs include the following: age group, intensity of toothbrushing, frequency of fresh fruit consumption and interactive effect between intensity of toothbrushing and frequency of fresh fruit consumption. A weak positive correlation of the grading index was found between NCCLs dimension, size or depth and range of occlusive wear facets. This study reported the higher prevalence of NCCLs in the general Chinese population. Implementation of a combined strategy to reduce risk factors of NCCLs could be more effective than individual techniques; meanwhile, the occurrence of NCCL could be related to the wear degree of occlusive defects in the population studied.
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Cai D, Wei X, Qiu Y, Chen Y, Chen J, Wen Z, Chen S. High-level expression of nattokinase in Bacillus licheniformis
by manipulating signal peptide and signal peptidase. J Appl Microbiol 2016; 121:704-12. [DOI: 10.1111/jam.13175] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Revised: 04/23/2016] [Accepted: 05/05/2016] [Indexed: 12/20/2022]
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Wang M, Cai D, Yin Z, Chen SC, Du CF, Zheng Q. Asymmetric-Indenothiophene-Based Copolymers for Bulk Heterojunction Solar Cells with 9.14% Efficiency. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2016; 28:3359-3365. [PMID: 26928909 DOI: 10.1002/adma.201505957] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 01/07/2016] [Indexed: 06/05/2023]
Abstract
The first two asymmetric-indenothiophene-based donor-acceptor copolymers (PITBT and PITFBT) are prepared through Stille coupling reactions between distannyl indenothiophene and brominated benzothiadiazole derivatives. The best performing solar cell fabricated from PITFBT exhibits a power conversion efficiency of 9.14% which demonstrates a great potential of the asymmetric indenothiophene for high-performance copolymers.
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Wei J, Yin Z, Chen SC, Cai D, Zheng Q. Solution-processed MoSxthin-films as hole-transport layers for efficient polymer solar cells. RSC Adv 2016. [DOI: 10.1039/c6ra01204c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Wang Y, Wang M, Cai D, Wang B, Wang Z, Qin P, Tan T. Efficient l-lactic acid production from sweet sorghum bagasse by open simultaneous saccharification and fermentation. RSC Adv 2016. [DOI: 10.1039/c6ra04538c] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
An open SSF process using B. coagulans LA1507 introduces an effective way to produce l-lactic acid from abundant SSB.
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Qin H, Cai D, Wang M, Ma Y, Yin Z, Tang C, Chen SC, Zheng Q. Dialkoxynaphthalene as an electron-rich unit for high-performance polymer solar cells with large open circuit voltages. POLYMER 2015. [DOI: 10.1016/j.polymer.2015.04.079] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Peng T, Hu Z, Gao Z, Cai D, Yang X. Acquired ichthyosis and secondary hyperparathyroidism with systemic lupus erythematosus. Lupus 2014; 24:218-21. [PMID: 25297552 DOI: 10.1177/0961203314554250] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Ma X, Wang R, Pan Y, Hu H, Li H, Wang L, Li Y, Luo X, Zhang Y, Ye T, Zhang Y, Li B, Cai D, Sun Z, Sun Y, Chen H. P-150 * RECURRENT TELOMERASE REVERSE TRANSCRIPTASE PROMOTER MUTATIONS IN NON-SMALL-CELL LUNG CANCERS. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu167.150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Luo X, Liu Y, Wang R, Hu H, Pan Y, Wang L, Ye T, Zhang Y, Li H, Sun Z, Cai D, Sun Y, Zeng R, Chen H. P-137 * HIGH-QUALITY SECRETOME OF A549 CELLS AIDED THE DISCOVERY OF C4B-BINDING PROTEIN AS A NOVEL SERUM BIOMARKER FOR NON-SMALL-CELL LUNG CANCER. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu167.137] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Zhang Y, Pan Y, Li Y, Hu H, Wang L, Li H, Wang R, Ye T, Luo X, Zhang Y, Li B, Cai D, Shen L, Chen H. P-155 * ALK, ROS1 AND RET FUSIONS IN 1139 LUNG ADENOCARCINOMAS: A COMPREHENSIVE STUDY OF COMMON AND FUSION PATTERN-SPECIFIC CLINICOPATHOLOGIC, HISTOLOGIC AND CYTOLOGIC FEATURES. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu167.155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Luo X, Liu Y, Wang R, Hu H, Pan Y, Wang L, Ye T, Zhang Y, Li H, Sun Z, Cai D, Sun Y, Zeng R, Chen H. P-127 * SHOTGUN AND TARGETED PROTEOMICS REVEAL THAT PRE-SURGERY SERUM LEVELS OF LRG1, SAA, AND C4BP MAY REFINE PROGNOSIS OF RESECTED SQUAMOUS CELL LUNG CANCER. Interact Cardiovasc Thorac Surg 2014. [DOI: 10.1093/icvts/ivu167.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Meng K, Li Z, Wang Y, Jing Z, Zhao X, Liu J, Cai D, Zhang L, Yang D, Wang S. PCR-based detection of Theileria annulata in Hyalomma asiaticum ticks in northwestern China. Ticks Tick Borne Dis 2014; 5:105-6. [DOI: 10.1016/j.ttbdis.2013.09.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2013] [Revised: 09/11/2013] [Accepted: 09/11/2013] [Indexed: 11/15/2022]
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Wang L, Cai D, Yin Z, Tang C, Chen SC, Zheng Q. Diindenocarbazole-based large bandgap copolymers for high-performance organic solar cells with large open circuit voltages. Polym Chem 2014. [DOI: 10.1039/c4py00951g] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Diindenocarbazole-based large bandgap copolymers exhibit a power conversion efficiency of 7.26% with a high open-circuit voltage of 0.93 V.
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Chen S, Tang C, Yin Z, Ma Y, Cai D, Ganeshan D, Zheng Q. Ladder-type Diindenopyrazine Based Conjugated Copolymers for Organic Solar Cells with High Open-circuit Voltages. CHINESE J CHEM 2013. [DOI: 10.1002/cjoc.201300500] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Yin Z, Zheng Q, Chen SC, Cai D. Interface control of semiconducting metal oxide layers for efficient and stable inverted polymer solar cells with open-circuit voltages over 1.0 volt. ACS APPLIED MATERIALS & INTERFACES 2013; 5:9015-9025. [PMID: 23984993 DOI: 10.1021/am402175m] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Inverted polymer solar cells (PSCs) with high open-circuit voltages of 1.00-1.06 V are fabricated by using an indenofluorene-containing copolymer (PIFTBT8) as an electron donor material and [6,6]-phenyl-C71-butyric acid methyl ester (PC71BM) as an electron acceptor material. To improve the photovoltaic performance, interface control of various low-temperature processed ZnO films as cathode buffer layers is systematically investigated for effective electron transportation, while transition metal oxides including MoO3, WO3, NiO, and Cu2O are employed as anode buffer layers for hole-extraction. Incorporation of optimized semiconducting metal oxide interlayers can minimize interfacial power losses, which thus affords large open-circuit voltages (Voc), increased short-circuit current densities (Jsc), and fill factors (FF), eventually contributing to higher power conversion efficiencies (PCEs) as well as better device stability. Due to the improved interfacial contacts and fine-matching energy levels, inverted PSCs with a device configuration of ITO/ZnO/PIFTBT8:PC71BM/MoO3/Ag exhibit a high PCE of 5.05% with a large Voc of 1.04 V, a Jsc of 9.74 mA cm(-2), and an FF of 50.1%. For the single junction inverted PSCs with efficiencies over 5.0%, 1.04 V is the largest Voc ever achieved. By controlling the processing conditions of the active layer, the Voc can further be improved to 1.05 and 1.06 V, with PCEs of 4.70% and 4.18%, respectively. More importantly, the inverted PSCs are ascertained to maintain a PCE of 4.55% (>90% of its initial efficiency) and a Voc of 1.05 V over 180 days, demonstrating good long-term stability, which is much better than that of the conventional devices. The results suggest that the interface engineering of metal oxide interlayers is an important strategy to develop PSCs with good performance.
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