BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20221231T000000Z DTEND:20221231T000000Z SUMMARY:Next Generation Materials for Solar Photovoltaics 2023: Poster abstract deadline due before 31st December 2022 LOCATION:The 浪花直播,London,United Kingdom END:VEVENT END:VCALENDAR