Global Thin-Film Amorphous Silicon Solar Cell Market By Type (A-Si Single, A-Si Tandem, A-Si/c-Si, and A-Si/A-SiGe/A-SiGe), By Application (Lamps, Chargers, Pest Controller, Power Stations, and Curtain Wall), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019-2028