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Aims and objectives To assess the willingness of nurses to receive vaccines as recommended by Taiwan's “Immunization Recommendations for Healthcare Personnel” (IRHCP), as well as the factors associated with their willingness. Background Immunisation for healthcare personnel (HCP) is a means of reducing pathogen transmission. Also, vaccinating HCP reduces personnel and labour costs during an epidemic. Methods A cross‐sectional study was conducted. A self‐administered questionnaire survey targeting nurses working in various service units at three hospitals was used. In total, 413 nurses completed the questionnaire. The main outcome measure was the willingness to receive vaccines recommended by the IRHCP, and the variables we assessed included knowledge regarding the IRHCP, individual perceptions (perceived risk of contracting the infection, perceived severity of the infection and perceived transmissibility after disease onset), perceived benefits and barriers to the vaccination, cues to the vaccination and demographics. This study followed the STROBE checklist for reporting this study. Results The willingness of nurses to receive vaccines recommended by the IRHCP was high; the highest level of willingness was for the hepatitis B vaccine. The nurses’ willingness to receive various vaccines recommended by the IRHCP was predicted by the knowledge regarding the IRHCP and perceived transmissibility after disease onset. Except the diphtheria–tetanus–acellular pertussis vaccine, perceived benefits and perceived barriers were also predictors of the willingness to receive vaccines. Conclusions Our results showed that interventions focusing on increasing the knowledge regarding the IRHCP and perceived transmissibility after disease onset, emphasising the benefits of the vaccination and reducing the perceived barriers to the vaccination are needed to increase nurses’ willingness to receive vaccines. Relevance to clinical practice It is suggested using health education courses and mass media broadcasts at the individual and societal levels to raise awareness regarding the benefits of vaccines and enhance nurse’ confidence in vaccination programs.

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A new set of pyrrolopyrrole‐based (PPr) polymers incorporated with thioalkylated/alkylated bithiophene (SBT/BT) is synthesized and explored as hole‐transporting materials (HTMs) for Sn‐based perovskite solar cells (TPSCs). Three bithiophenyl spacers bearing the thioalkylated hexyl (SBT‐6), thioalkylated tetradecyl (SBT‐14), and tetradecyl (BT‐14) chains are utilized to examine the effect of the alkyl chain lengths. Among them, the TPSCs are fabricated using PPr‐SBT‐14 as HTMs through a two‐step approach by attaining a power conversion efficiency (PCE) of 7.6% with a remarkable long‐term stability beyond 6000 h, which has not been reported elsewhere for a non‐PEDOT:PSS‐based TPSC. The PPr‐SBT‐14 device is stable under light irradiation for 5 h in air (50% relative humidity) at the maximum power point (MPP). The highly planar structure, strong intramolecular S(alkyl)···S(thiophene) interactions, and extended π‐conjugation of SBT enable the PPr‐SBT‐14 device to outperform the standard poly(3‐hexylthiophene,‐2,5‐diyl (P3HT) and other devices. The longer thio‐tetradecyl chain in SBT‐14 restricts molecular rotation and strongly affects the molecular conformation, solubility, and film wettability over other polymers. Thus, the present study makes a promising dopant‐free polymeric HTM model for the future design of highly efficient and stable TPSCs.